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تهران - نارمک -
دانشگاه علم و صنعت ایران -
دانشکده مهندسی مواد و متالورژی -
قطب علمی فناوری آلیاژهای با استحکام بالا
 تلفن: 77209039
E-mail: cehsat@iust.ac.ir
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:: Dr.Jahazi ::

  AWT IMAGE

  دکتر محمد جهازی

  رتبه علمی:

 

  محل تحصیل: کانادا, دانشگاه مک گیل

  آخرین مدرک تحصیلی: دکترای مهندسی متالورژی

  سال اخذ مدرک تحصیلی: 1989

  تلفن تماس:

  دورنگار:

  پست الکترونیکی: mohammad.Jahazi@cnrc-nrc.gc.ca

 

  زمینه‌های تدریس:

 

زمینه تحقیقاتی مورد علاقه:

 

 

  مقالات چاپ شده در مجلات علمی – لاتین

  L. Bucher, L. Dubourg, M. Jahazi, P. Gougeon, “ Post-Welding Heat Treatments of Friction Stir Welding AA2098-T851 Butt Joints”, Submitted to Materials Sci. and Technology A.

  X. Cao and M. Jahazi, "Effect of Tool Rotational Rate on Lap Joint Quality of Friction Stir Welded AZ31B-H24 Magnesium Alloy", Submitted to Welding Journal.

  E. Coman, K. Ghosh, M. Jahazi, and L. Dubourg, “A study of the deformation and residual stresses in an aircraft fuselage panel welded by Friction Stir Welding”, Submitted to International Journal of Advanced Manufacturing Systems.

  F. Jalilian, M. Jahazi, and R. Drew, “Microstructural evolution during transient liquid phase bonding of Inconel 617 alloy using Ni-filler wire”, Submitted to Materials Characterization.

  F. Gemme, Y. Verreman, L. Dubourg and M. Jahazi, “Numerical Analysis of the Dwell Phase in Friction Stir Welding and Comparison with Experimental Data”, Materials Science and Engineering A, in press.

  L. Dubourg, A. Merati, M. Jahazi, “Process Optimization and Mechanical Properties of Friction Stir Lap Welds of 7075-T6 Stringers on 2024-T3 Skin”, Materials and Design, in press.

  E. Dalgaard, F. Coghe, L. Rabet, M. Jahazi, P. Wanjara and J. J. Jonas, “Texture Evolution in Linear Friction Welded Ti-6Al-4V”, Advanced Materials Research Vols. 89-91, pp 124-129, 2010.

  A. Bres, B. Monsarrat, L. Dubourg, L. Birglen, C. Perron, M. Jahazi, L. Baron, “ Simulation of friction stir welding using industrial robots”, Industrial Robot, Vol.36, pp 36-50, 2010.

  X. Cao and M. Jahazi, “Friction Stir Welding of Dissimilar AA 2024-T3 to AZ31B-H24 Alloys”, Materials Science Forum Vols. 638-642, pp 3661-3666, 2010.

  L. Dubourg, P. Doran, S. Larose, M. A. Gharghourib and M. Jahazi, “Prediction and Measurements of Thermal Residual Stresses in AA2024-T3 Friction Stir Welds as a Function of Welding Parameters”, Materials Science Forum Vols. 638-642, pp 1215-1220, 2010.

  P. Vo, M. Jahazi and S. Yue, “FEM Modelling of Recrystallization Behaviour for Near-alpha Ti Alloy IMI834”, Advanced Materials Research Vols. 89-91, pp 592-597, 2010.

  S. Larose, L. Dubourg, C. Perron, M. Jahazi and P. Wanjara, Limitation of Distortion in Friction Stir Welded (FSW) Panels using Needle Peening, Materials Science Forum Vols. 638-642, pp 1203-1208, 2010.

  X. Cao, G. Debaecker, M. Jahazi, S. Marya, J. Cuddy and A. Birur, “Effect of Post-Weld Heat Treatment on Nd: YAG Laser Welded Ti-6Al-4V Alloy Quality”, Materials Science Forum Vols. 638-642, pp 3655-3660, 2010.

  M. Haghshenas, A. Zarei-Hanzaki, M. Jahazi, “An investigation to the effect of deformation-heat treatment cycle on the eutectic morphology and mechanical properties of a Thixocast A356 alloy”, Materials Characterization, Vol. 60, pp. 8 1 7 – 8 2 3, 2009.

  X. Cao and M. Jahazi, “Effect of welding speed on butt joint quality of Ti-6Al-4V alloy welded using high power Nd-Yag laser”, Laser Optics in Engineering, Vol. 47, No. 11, pp. 1231-1241, 2009.

  C. Liu, S. D. Bhole, D.L. Chen, X. Cao, and M. Jahazi, “Polishing-Assisted Galvanic Corrosion in the Dissimilar Friction Stir Welded Joint of AZ31 Magnesium Alloy to 2024 Aluminum Alloy", Materials Characterization, Vol. 60, No 5, pp. 370-376, 2009.

  B. Rivaux, X. Cao, M. Jahazi, J. Cuddy, and A. Birur, "Effect of Pre- and Post-Weld Heat Treatment on Metallurgical and Tensile Properties of Inconel 718 Alloy Butt Joints Welded using 4 kW Nd: YAG Laser", Journal of Materials Science, Vol. 44, pp. 4557-4571, 2009.

  M. Haghshenas, A. Zarei-Hanzaki, M. Jahazi, ‘An investigation to the effect of deformation-heat treatment cycle on the eutectic morphology of a thixocast A356 alloy, Materials Characterization, Vol. 60, pp. 817-823, 2009.

  X. Cao and M. Jahazi, ‘Effect of Welding Speed on the Quality of Friction Stir Welded Butt Joints of a Magnesium Alloy”, Materials and Design, Vol. 30, No. 6, pp. 2033-2042, 2009.

  P.Vo, M. Jahazi, and S. Yue, “Recrystallization during Thermomechanical Processing of IMI834”, Metall. and Mat. Transactions, Vol 39, p. 2965-2980, 2008.

  N. Boutana, P. Bocher, M. Jahazi, D. Piot and F. Montheillet,Microstructural “Modeling of Cold Creep/Fatigue in Near Alpha Titanium Alloys Using Cellular Automata Method”, Transactions of the Canadian Society for Mechanical Engineers , Vol. 32, No 2, pp. 195-213, 2008.

  C. Mary and M. Jahazi, A multi-scale analysis of IN-718 microstructure evolution during Linear Friction Welding, Advanced Engineering Materials, Vol. 6, pp573-578, 2008 .

  P. Wanjara, E. Poirier, and M. Jahazi, “Characterization of Electron beam welded 17-4 PH stainless steel”, Canadian Metallurgical Quarterly, Vol. 47, No. 4, pp. 413-435, 2008.

  L. Germain, N. Gey, M. Humbert, P. Vo, M. Jahazi, P. Bocher , “Texture Heterogeneities induced by subtransus Processing of near α Titanium alloys”, Acta Materiala, Vol. 56, pp. 4298-4308, 2008.

  N. Boutana, P. Bocher, M. Jahazi, D. Piot and F. Montheillet, “Microstructural Modeling of Room Temperature Creep in Titanium Alloys Using Cellular Automata model”, International Journal of Microstructure & Materials Properties, Vol. 3, Nos. 4/5, 2008.

  X. Wang, M. Jahazi, and S.Yue “Characterization of alpha platelets in a near alpha Ti alloy”, Materials Science and Engineering A, Vol. 492, pp. 450-454, 2008.

  X. Cao, M. Jahazi, ‘Overview of Friction Stir and Laser Welding Techniques for Lightweight alloys”, Canadian Welding Association Journal, Invited paper, Spring 2008, pp. 19-30, 2008.

  C. Mandache, L. Dubourg, A. Merati, and M. Jahazi, ‘Pulsed Eddy Current Inspection of Friction Stir Welded Components”, Feature article in Materials Evaluation, Vol.66, No 4, pp. 382-387, 2008.

  X. Cao, M. Jahazi, H. Al-Kazzaz, and M. Medraj, “Modelling of Work Hardening Behaviour for Laser Welded Magnesium Alloy Joints”, International Journal of Materials Research (Zeitschrift fur Metallkunde), Vol. 99(2), pp.216-221, 2008.

  H. Al Kazzaz, X. Cao, M. Jahazi, and M. Medraj, “Reliability of Laser Welding Process for ZE41A-T5 Magnesium Alloy Sand Castings”, Mater. Trans. Vol 49, pp. 774-781, 2008.

  N. Afrin, D.L. Chen, X. Cao, and M. Jahazi, “Microstructure and Tensile Properties of Friction Stir welded AZ31B-H24 Magnesium Alloy”, Materials Science and Engineering A, Vol. 472, pp. 179-186, 2008 .

  X. Cao, M. Xiao, M. Jahazi, J. Fournier, and M. Alain, “Optimization of processing parameters during Laser cladding of magnesium alloy castings using Taguchi Method”, Materials and Manufacturing Processes, Vol. 23, pp. 413-418, 2008.

  X. Cao, M. Jahazi, J. Fournier, and M. Alain, “Optimization of Bead Spacing on Cladding Quality of ZE41A Magnesium Castings Using Nd:YAG Laser”, J. Mater. Proc. Tech.,.Vol. 205, pp. 322-331, 2008. 

  H. Al Kazzaz, X. Cao, M. Jahazi, and M. Medraj, “Laser Welding of ZE41A-T5 Magnesium Alloy: Modeling and Experimental Investigations”, Materials Chemistry and Physics, Vol. 109, pp. 61-76, 2008.

  M. Xiao, C. Poon, P. Wanjara, M. Jahazi, Z. Fawaz, P. Krimbalis, “Optimization of Nd-Yag Laser Welding Porcess for Inconel 718 alloy”, Materials Science Forum, Vols. 546-549, pp. 1305-1308, 2007.

  P. Wanjara, M. Brochu, and M. Jahazi, ‘Electron Beam Free forming of Stainless Steel using solid wire feed’, Materials & Design, Vol. 28, pp. 2278-2286, 2007.

  C. Mary and M. Jahazi, “Linear friction welding of IN-718: Process optimization and microstructure evolution”, Advanced Materials Research, Vols. 15-17, pp. 357-362, 2007.

  N. Afrin, D.L. Chen, X. Cao, and M. Jahazi, “Work hardening behavior of Friction Stir Welded AZ31B Magnesium alloy Castings Using Welding Wire”, Mater. Sci. Forum, Vols 539-543, pp. 1735-1740, 2007.

  X. Wang, P. Vo, M. Jahazi and S. Yue, Dwell fatigue microstructure in a near-a titanium alloy, Metallurgical and Materials Transactions A, Vol. 38 A, pp. 831-839, April 2007. 

  P. Wanjara, M. Brochu, and M. Jahazi, ‘Electron Beam Freeform fabrication on Stainless Steel’, Materials Science Forum, Vols 539-543, pp. 4938-4943, 2007. 

  X. Cao and M. Jahazi, “New Analyses of Pressure Filtration Curves of Aluminum Alloys: A Case Study”, Materials Science Forum, Vols. 539-543, pp. 351-356, 2007.

  P. Vo, M. Jahazi, S. Yue, and P. Bocher, "Flow Stress Prediction During Hot Working of Near-a Titanium Alloy," Mater. Sci.   Eng. A, Vol. 447, pp. 99-110, 2007.

  M. Fairman, N. Afrin, D. L. Chen, M. Jahazi, “Microstructural Evaluation of Friction Stir Processed AZ31B-H24 Magnesium Alloy”, Canadian Metallurgical Quarterly, Vol. 46, No 4, pp.425-432, 2007.

  X. Cao, M. Xiao, M. Jahazi, T. Shariff, “Evolution of Microstructures during Laser Surface Cladding of Magnesium Alloy Castings using Welding Wire”, Materials Science Forum, Vols. 539-543, pp. 1735-1740, 2007.

  P. Vo, M. Jahazi, and S. Yue, "Recrystallization During Beta Working of IMI834," Advanced Materials Research, Vols. 15-17, pp. 965-970, 2007.

  N. Afrin, D. L. Chen, X. Cao, and M. Jahazi, "Strain hardening behavior of a friction stir welded magnesium alloy", Scripta Materialia, Vol. 57, pp. 1004-1007, 2007.

  X. Wang, M. Jahazi, and S. Yue, “Substructure of high temperature compressed titanium alloy IMI 834”, Materials Science and Engineering A, Vol. 434, pp. 188-193, 2006.

  P. Wanjara, M. Jahazi, H. Monajati, and Alloy IMI834, Materials Science and Engineering A”, Vol. 416, pp. 300-311, 2006.  S. Yue, “Influence of Thermomechanical Processing on Microstructural Evolution in Near-

  A.R. Khodabandeh, M. Jahazi, S. Yue and S.T. Aghdashi,” The determination of optimum forging conditions for the production of high strength high impact toughness automotive parts”, Materials and Manufacturing Processes, Vol. 206, pp. 105-110, 2006.

  P. Wanjara, M. Brochu and M. Jahazi, “Thin Gauge Titanium Manufacturing using Multiple-Pass Electron Beam Welding”, Materials and Manufacturing Processes, Vol. 21, pp. 439-451, 2006.

  F. Jalilian, M. Jahazi, and R. Drew, ”Microstructure evolution during TLP bonding of IN 617 alloy”, Materials Science and Engineering A, Vol. 423, pp.269-281, 2006.

  M. Humbert, L. Germain, N. Gey, and M. Jahazi, “Study of the variant selection in sharp textured regions of bimodal IMI834 Billet”, Materials Science and Engineering A,.Vol. 430, pp.157-164, 2006.

  X. Cao, M. Jahazi, J.-P. Immarigeon, and W. Wallace, “A review of Laser welding techniques for Magnesium alloys”, Journal of Materials Processing Technology, Vol. 171, pp. 188-204, 2006.

  X. Cao and M. Jahazi, “Estimation of Resistance of Filter Media Used for Prefil Footprinter Tests of Liquid Aluminium Alloys”, Materials Science and Technology, Vol. 21, No. 10, pp. 1192-1198, 2005.

  L. Germain, N. Gey, M. Humbert, P. Bocher, and M. Jahazi,” Analysis of sharp microtexture heterogeneities in bimodal IMI834 billets”, Acta Metallurgica et Materiala, Vol. 35, pp. 3535-3543, August 2005.

  M. Brochu, P. Wanjara, S. Girard and M. Jahazi, “Electron Beam Free forming on 321 Stainless steel using Bni-2 Brazing paste”, Journal of Materials Science Technology, Vol. 21, No. 5, pp. 613-618, April 2005.

  L. Germain, N. Gey, M. Humbert, P. Bocher, and M. Jahazi, b®a variant selection in sharp hcp textured regions of a bimodal IMI834 billet, Materials Science Forum, Vols. 495-497, pp. 663-669, 2005.

  P. Wanjara and M. Jahazi, “Linear Friction Welding of Ti-6Al-4V: Processing, Microstructure and Mechanical Property Interrelationships”, Metallurgical and Materials Transactions A, Vol. 36A, No. 8, pp. 2149-2164, August 2005.

  X. Cao and M. Jahazi, “Examination and Verification of Filtration Mechanism of Cake Mode during the Pressure Filtration Tests of Liquid Al-Si Cast Alloys”, Materials Science and Engineering A, Vol. 408, pp. 234-242, 2005.

  P. Wanjara, M. Jahazi, H. Monajati, S. Yue, and J.-P. Immarigeon, “Hot working behavior of Near Alpha Titanium alloy IMI834”, Materials Science and Engineering A, Vol. 396, No. 1-2, pp. 50-60, April 2005.

  P. Bocher, M. Jahazi, L. Germain, P. Wanjara, N. Gey, and M. Humbert, ß microtexture analysis in correlation with hcp textured regions observed in a forged near alpha titanium alloy”, Solid state Phenomena, Vol. 105, pp. 127-132, 2005.

  H. Monajati, M. Jahazi, and S. Yue, “Deformation characteristics of isothermally forged Udimet 720 Ni-based superalloy”, Metallurgical and Materials Transactions A, Vol. 36A, pp. 895-905, 2005.

  P. Wanjara, M. Brochu, and M. Jahazi, “Ti-6Al-4V Electron beam weld qualification using Laser scanning confocal Microscopy”, Materials Characterization, Vol. 54, No 3, pp. 254-262, March 2005.

  A.R. Khodabandeh, M. Jahazi, S. Yue and P. Bocher, “Impact Toughness and Tensile Properties Improvement through Microstructure Control in Hot Forged Nb-V Microalloyed Steel”, Journal of the Iron and Steel Institute of Japan, ISIJ International. Vol. 45, pp. 272-280, 2005.

  X. Cao, M. Xiao, M. Jahazi, and J.-P. Immarigeon, “Continuous Wave Nd-YAG Laser welding of ZE41A-T5 Magnesium sand castings”, Journal of Materials and Manufacturing Processes, Vol. 20, pp. 987-1004, 2005.

  L. Germain, N. Gey, M. Humbert, P. Bocher, and M. Jahazi, “An automated technique to analyze separately the inherited coonies in bimodal Titanium alloys”, Materials Characterization, Vol. 54, pp. 216-222, 2005.

  H. Monajati, F. Zarandi, M. Jahazi, and S. Yue, Strain induced gamma prime precipitation in Ni-Based superalloy Udimet 720 using a stress relaxation based technique”, Scripta Metallurgica et Material, Vol 52, pp. 771-776, 2005.

  M. Jahazi and M. J. R. Hosseinejad, “The development of an optimum manufacturing and material selection process for the fabrication of labyrinth seal strips”, Journal of Materials Processing Technology, Vol. 152/3, pp. 272-276, 2004.

  H. Monajati, M. Jahazi, A.R. Bahrami, and S. Yue, “ The influence of heat treatment conditions on gamma prime characteristics in Udimet 720”, Materials Science and Engineering A, Vol. 373, 286-293, 2004.

  A.R. Mashreghi, H. Monajati, M. Jahazi, and S. Yue, “Hot deformation of Nickel base superalloy Udimet 520”, Journal of Materials Science and Technology, Vol. 20, pp. 640-648, 2003.

  M. Jahazi and A.R. Mashreghi, “Dissolution and precipitation kinetics of g¢ in superalloy Udimet-520”, Journal of Materials Science and Technology, Vol. 18, No 4, pp. 458-463, 2002.

  M. Jahazi and J. J. Jonas, “The non-equilibrium segregation of boron on moving boundaries”, Mater. Sci. and

  Eng. A., Vol. 335, pp. 49-61, 2002.

  M. Jahazi and B. Egbali, “The influence of hot forging conditions on the microstructure and mechanical properties of two microalloyed steels”, Materials Processing and Technology,Vol. 113, pp. 594-599, 2001.

  M. Jahazi and G. Ebrahimi, “The influence of flow-forming parameters and microstructure on the quality of a D6ac steel”, Materials Processing and Technology, Vol. 103, pp. 362-367, 2000. 

  M. Jahazi and B. Egbali, “The influence of hot rolling parameters on the microstructure and mechanical properties of an ultra-high strength steel”, Materials Processing and Technology, Vol. 103, pp. 276-279, 2000.

  M. Jahazi and F. Jalilian, “The influence of thermochemical treatments on interface quality and properties of copper/graphite composites”, Composites Sci. and Tech., Vol 59, pp. 1969-1975, 1999.

  M. Jahazi, “The influence of thermomechanical treatment on the microstructure and mechanical properties of AISI 4130 Steel”, Metals and Materials, Vol. 4, No. 4., pp. 818-823, 1998.

  M. Jahazi and M. Goudarzi,, “The influence of thermomechanical parameters on the earing behavior of 1050 and 1100 aluminum alloys”, Materials Processing and Technology, Vol. 63, pp. 610-614, 1997.

  M. Jahazi and M. Hosseinpour, “ Fracture surface analysis of a welded ultra high strength steel”, The Metallurgist, Vol. 3, pp. 10-17, 1995.

  I. A. Akmoulin, M. Djahazi, N. D. Buravova, and J. J. Jonas, “Superplastic forging procedures for manufacture of ceramic yttria stabilized tetragonal zirconia products”, Materials Science and Technology, Vol. 9, pp. 26-35, 1993.

  M. Djahazi, X. L. He, J. J. Jonas and W. P. Sun, “Influence of boron on nature and distribution of strain induced precipitates in (Ti,Nb) high strength steels”, Materials Science and Technology, Vol. 8, pp. 628-636, 1992.

  M. Djahazi, X. L. He, J. J. Jonas and W. P. Sun, “Nb(C,N) precipitation and austenite recrystallization in boron-containing high-strength low alloy-steels”, Met. Trans. A, Vol. 23 A, pp. 2111-2121, 1991.

  I. A. Akmoulin, M. Djahazi , and J. J. Jonas, “Enhanced deformation behavior of incompletely sintered Y-TZP zirconia”, Scripta Metallurgica, Vol. 25, pp. 1035-1041, 1991.

  X. L. He, M. Djahazi, J. J. Jonas and J. Jackman, The non-equilibrium segregation of boron during the recrystallization of Nb-treated HSLA steels”, Acta. Metall. Vol. 39, No 10, pp. 2295-2308, 1991.

 

 

 

 

  مقالات ارائه شده در مجامع علمی – لاتین

  A.Merati, L. Dubourg, and M.Jahazi, “ Application of FSW technology for additive repair of damaged components”, NATO RTO AVT-163 Specialists' Meeting (RSM) on Additive Technology for Repair of Military Hardware, Oct 19-22, 2009, Bonn, Germany.

 A. Merati, J. Deronja, L. Dubourg, and M. Jahazi, "Friction Stir processing technology for the repair of nickel-aluminum bronze", CPR-SMPL-2009-0019, Canadian Aeronautics and Space Institute(CASI), AERO 2009 - May 5-7, Kanata, Ottawa/Canada.

 A. Merati, L. Dubourg, M.Jahazi, R. Bell, “ Fracture characteristics of friction stir overlap welding of 7075-T6 stringers on 2024-T3 skin”, : International Conference on Fracture, ICF12, Ottawa, Canada, July 12-17, 2009.

A. Merati and M. Jahazi, “Mechanical properties of linear friction welded Ti-6Al-4V alloy”, The19th Conference of the International Society for Air Breathing Engines (ISABE) 2009, Montreal, Canada, Sep 7-11, 2009.
A. Merati, T. Wood, L. Dubourg, and M. Jahazi, "Efforts to improve on ductility of metal matrix composites", CPR-SMPL-2009-00018, Canadian Aeronautics and Space Institute (CASI), AERO 2009 - May 5-7, Kanata, Ottawa/Canada.

  D. Levesque, L. Dubourg, C. Mandache, S.E. Kruger, M. Lord, A. Merati, M. Jahazi, and J-P Monchalin, Synthetic Aperture Focusing Technique for the Ultrasonic Evaluation of Friction Stir Welds, Review of Quantitative Non destructive Evaluation, Vol 27, ed. By D.O. Thompson and D.E. Chimenti, American Institute for Physics, 2008. 

  X. Cao, M. Jahazi, N. Afrin, and D. L. Chen, "Fatigue Properties of Friction Stir Welded AZ31B Magnesium Alloy”, COM2008: Aerospace Materials & Manufacturing Symposium IV: Advances in Processing and Repair of Aerospace Materials - In honor of Dr. Mahesh Chaturvedi, Winnipeg, Manitoba, Canada, pp. 377-389, Aug 24-27, 2008. 

  P. Wanjara, M. Jahazi, and E. Poirier, "Manufacture of a Strut on a Captive Trajectory System by Electron Beam Welding", COM2008: Aerospace Materials & Manufacturing Symposium IV: Advances in Processing and Repair of Aerospace Materials - In honor of Dr. Mahesh Chaturvedi, Winnipeg, Manitoba, Canada, pp. 243-255, Aug 24-27, 2008. 

  C. Mandache, D. Levesque, L. Dubourg, P. Gougeon, X. Cao, .and M. Jahazi, "Assessment of Friction Stir Welds with Nondestructive Methods – COM2008: Aerospace Materials & Manufacturing Symposium IV: Advances in Processing and Repair of Aerospace Materials - In honor of Dr. Mahesh Chaturvedi, Winnipeg, Manitoba, Canada, pp. 339-351, Aug 24-27, 2008. 

  X. Cao, M. Guo, and M. Jahazi, "Continuous Wave Nd:YAG Laser Welding of Ti-6Al-4V Alloy", COM2008: Aerospace Materials & Manufacturing Symposium IV: Advances in Processing and Repair of Aerospace Materials - In honor of Dr. Mahesh Chaturvedi, Winnipeg, Manitoba, Canada, pp. 197-209, Aug 24-27, 2008. 

  P. Wanjara and M. Jahazi, "Assessing Mechanical Property Gradients Associated with Microstructural Changes in Stainless Steel Weldments by Shear Punch Testing", Conference of Metallurgist COM 2008, International Symposium on High Strength Steels, Winnipeg, Manitoba, Canada, pp. 195-207, August 24-27, 2008. 

  X. Cao, B. Rivaux, M. Jahazi, J. Cuddy, and A. Birur, "Effect of Joint Gap on Inconel 718 Alloy Quality Welded using 4 kW Continuous Wave Nd:YAG Laser Welding System", COM2008: Aerospace Materials & Manufacturing Symposium IV: Advances in Processing and Repair of Aerospace Materials - In honor of Dr. Mahesh Chaturvedi, Winnipeg, Manitoba, Canada, pp. 313-325, Aug 24-27, 2008. 

 C. Mandache, D. Levesque, L. Dubourg, S. E. Kruger, M. Lord, M. Jahazi, and J. P. Monchalin, "Synthetic Aperture Focusing Technique for the Ultrasonic Evaluation of Friction Stir Welds", Review of Progress in Quantitative Nondestructive Evaluation, Golden, Colorado, USA, pp. 263-270, July 22-27, 2008.  

  K. Ng, X. Cao, and M. Jahazi, "Effect of Welding Speed on Lap Joint Quality of 2-mm AZ31 Magnesium Alloy", 8th International Conference on ''Trends in Welding Research, Callaway Gardens Resort, Pine Mountain, Georgia, USA, June 2-6, 2008. 

C. Mandache, D. Levesque, L. Dubourg, P. Gougeon, X. Cao, .and M. Jahazi, "Assessment of Friction Stir Weld Integrity for Process Control”, 19th Annual Advanced Aerospace Materials and Processes Conference & Exhibition, Austin, TX, USA, June 23-27, 2008.

 A.Merati, L. Dubourg, M. Gallant, and M.Jahazi, “Friction Stir Lap Welding of AA7075-T6 Stringers on AA2024-T3 Skin”, 8th International Conference on ''Trends in Welding Research, Callaway Gardens Resort, Pine Mountain, Georgia, USA, June 2-6, 2008. 

X. Cao, M. Guo, and M. Jahazi, "Ti-6Al-4V Alloy Welding using a High Power Continuous Wave Nd:YAG Laser", AeroMat 2008 Conference and Exposition - Revolutionizing Materials and Processes for Air and Space Vehicles, Austin, Texas, USA, June 23-28, 2008.

  L. Dubourg, J. Gholipour, and M. Jahazi, Friction stir welding of 2024-T3 tubes for hydroforming application, 8th International Conference on ''Trends in Welding Research, Callaway Gardens Resort, Pine Mountain, Georgia, USA, June 2-6, 2008. 

  L. Dubourg, A. Merati, M. Jahazi, “Manufacturing of aircraft panels by friction stir lap welding of 7075-T6 stringers on 2024-T3 skin: Part I. Process optimization”, 7th International Symposium on Friction Stir Welding, Awaji Yumebutai Conference Centre, Awaji Island, Japan, Session 05, May 20-22, 2008. 

  L. Dubourg, R. Amargier, M. Jahazi, “Relationship between FSW parameters, hardness and tensile properties of 7075-T6 and 2098-T851 similar butt welds”, 7th International Symposium on Friction Stir Welding, Awaji Yumebutai Conference Centre, Awaji Island, Japan, Session 8A, May 20-22, 2008. 

A. Merati, M. Gallant, and M. Jahazi, "Linear friction welding of Titanium alloy ", Conference of Metallurgists, COM2008: Aerospace Materials & Manufacturing Symposium IV: Advances in Processing and Repair of Aerospace Materials - In honor of Dr. Mahesh Chaturvedi, Winnipeg, Manitoba, Canada, Aug 24-27, 2008.

 A. Merati, M. Gallant, L., Dubourg, and M. Jahazi, "Manufacturing of aircraft panels by friction stir lap welding of 7075-T6 stringers on 2024-T3 skin: Part II. Mechanical properties", 7th International Symposium on Friction Stir Welding, Awaji Yumebutai Conference Centre, Awaji Island, Japan, Session 8B, May 20-22, 2008. 

X. Cao, B. Rivaux, and M. Jahazi, "High Power Continuous Wave Nd:YAG Laser Welding of Inconel 718 Alloy", AeroMat 2008 Conference and Exposition - Revolutionizing Materials and Processes for Air and Space Vehicles, Austin, Texas, USA, June 23-28, 2008.

  J. Gholipour and M. Jahazi, "Evaluation of Lubricants in Hydroforming of Aerospace Materials", Plasticity 2008,  Kailua-Kona, Hawaii, USA, pp. 25-27, January 2-5, 2008.  

A. Merati, M. Gallant, L., Dubourg, and M. Jahazi, " Friction stir lap welding of 7075-T6 stringers on 2024-T3 skin", COM2008: Aerospace Materials & Manufacturing Symposium IV: Advances in Processing and Repair of Aerospace Materials - In honor of Dr. Mahesh Chaturvedi, Winnipeg, Manitoba, Canada, Aug 24-27, 2008.

  C. Mandache, A. Merati, L. Dubourg, and M. Jahazi, "Pulsed Eddy Currents Inspection of Friction Stir Welded Components", ASNT Fall Conference, Las Vegas, Nevada, USA, pp. 247-253, November 12-16, 2007. 

 X. Cao and M. Jahazi, “Applications of Laser Welding and Friction Stir Welding Technologies for Joining Aerospace Magnesium Alloys”, Proc. 3rd int. Conf. on Light Metals Technology, eds. K. sadayappan and M. Sahoo, Saint-Sauveur, Québec, Canada, pp. 158-163, Sept. 24-26, 2007 (Invited). 

  N. Afrin, D. L. Chen, X. Cao, and M. Jahazi " Tensile Behavior of Friction Stir Welded AZ31B-H24 Magnesium Alloy”, Light Metals in Transport Applications, eds. M.O. Pekguleryuz, Toronto, Canada, pp. 105-116, August 25-30, 2007. 

  X. Cao and M. Jahazi, “Friction Stir Processing of Sand Cast Aerospace ZE41A-T5 Magnesium Alloy”, Light Metals in Transport Applications, eds. M.O. Pekguleryuz, Toronto, Canada, pp. 169-180, August 25-30, 2007. 

C. Liu, D. L. Chen, X. Cao, M. Jahazi, and S. D. Bhole, "Galvanic Corrosion Behavior of Friction Stir Welding of Dissimilar 2024 Aluminum to AZ31 Magnesium Alloy in Distilled Water", 19th Canadian Materials Science Conference, Hamilton, Ontario, Canada, June 20-22, 2007.

  M. Fairman, N. Afrin, D.L. Chen, X. Cao, and M. Jahazi, “Microstructural Evolution of AZ31B Magnesium Alloy after Friction Stir Processing”, Light Metals in Transport Applications, eds. M.O. Pekguleryuz, Toronto, Canada pp. 117-128, August 25-30, 2007. 

  C. Liu, D. L. Chen, S. D. Bhole, X. Cao, M. Jahazi, “Corrosion Behaviour of the Stir Zone in Friction Stir Welded Joints of Dissimilar 2024 Aluminium to AZ31 Magnesium Alloys”, Light Metals in Transport Applications, eds. M.O. Pekguleryuz, Toronto, Canada, pp. 129-140, August 25-30, 2007. 

  E. Coman, L. Dubourg, and M. Jahazi, "A Study of the Deformation and Residual Stresses in an Aircraft Fuselage Panel Joined by Friction Stir Welding”, 23rd ISPE international conference on factories of the future, Bogota, Colombia, August 16-18, 2007.  

  L. Germain, P. Vo, N. Gey, M. Jahazi, M. Humbert, P. Bocher, ‘Development of sharp local a microtextures during a/b thermomechanical processing of TIMETAL 834 alloy’, 11th World Conference on Ti, Kyoto Japan, June 1-5, 2007. 

C. Mandache, D. Levesque, L. Dubourg, S. E. Kruger, M. Lord, M. Jahazi, and J-P. Monchalin, “ Ultrasonic inspection of friction stir welds by Synthetic Aperture Focusing Technique”, Canadian Aeronautical and Space Institute Conference, CASI Aero 2007, Toronto, Ontario, Canada, April 24 – 26, 2007.

M. Fairman, D. L. Chen, X. Cao, and M. Jahazi, "Microstructural Evolution of AZ31B Magnesium Alloy after Friction Stir Processing", 19th Canadian Materials .Science Conference, Hamilton, Ontario, Canada, June 20-22, 2007.

  P. Bocher, N. Boutana, D. Piot, F. Montheillet, and M. Jahazi, ‘Microstructural Modeling of Cold Creep/Fatigue in Near Alpha Titanium Alloys Using Cellular Automata Method’, 11th World Conference on Ti,  Kyoto Japan, June 1-5, 2007. 

 M. Jahazi, “FSW and LFW of high strength aerospace materials”, Frontiers of Science & Technology of Solid State Welding”,

Nantes, France, June 27-28, 2007 (Invited Speaker).

  E. Uta, M. Humbert, N. Gey, P. Bocher, M. Jahazi, Description and characterization of texture heterogeneities in titanium alloy IMI 834 with a bimodal microstructure’, 11th World Conference on Ti, Kyoto Japan, June 1-5, 2007. 

 X. Cao, M. Jahazi, "Welding and Additive Manufacturing Research Capacities of Canada's Institute For Aerospace Research", Welding in Aircraft and Aerospace Conference, Dayton, Ohio, USA, September 19-20, 2007.
N. Afrin, D. L. Chen, X. Cao, and M. Jahazi, "Deformation Characteristics of AZ31B Magnesium Alloy after Friction Stir Welding", 19th Canadian Materials Science Conference, Hamilton, Ontario, Canada, June 20-22, 2007.

  P. Vo, M. Jahazi, and S. Yue, ‘Microstructure Development of a Near Alpha Titanium Alloy during High Temperature Deformation’, 11th World Conference on Ti, Kyoto Japan, June 1-5, 2007. 

  X. Cao, M. Jahazi, and M. Guerin, “Friction Stir Welding of an Aerospace Magnesium Alloy”, Friction Stir Welding IV, Eds. R.S. Mishra, M.W. Mahoney, T.J. Lienert, K.V. Jata , TMS, pp. 213-222, Feb 25-March 01, 2007. 

L. Dubourg, X. Cao, B. Monsarrat, M. Jahazi, A. Merati, A., C. Mandache, D. Lévesque, and P. Gougeon, « Soudage par Friction Malaxage (FSW) au Centre des Technologies de Fabrication en Aérospatiale, Sous l'aile des métaux légers, conférence de l'Association des Métaux Légers, Laval, Québec Canada, October 10, 2007.

  E. Uta, M. Humbert, N. Gey, P. Bocher, M. Jahazi, ‘Mise en évidence et caractérisation des hétérogénéités de textures dans l’alliage de titane IMI 834 de microstructure bimodale à vocation aéronautique’, Materiaux 2006, Dijon, France, Paper No 038, November 11-13, 2006.

  N. Boutana, P. Bocher, M. Jahazi, D. Piot and F. Montheillet, ‘Utilisation des automates cellulaire pour étudier le comportement en fatigue fluage des alliages de titane’, Materiaux 2006, Dijon, France, Paper No 042, November 11-13, 2006.

  X. Cao, M. Jahazi, and R. Mehta, ‘Friction Stir Welding of AZ31B-H24 magnesium Alloy butt joints’, Proc. of the 6th International Symposium on Friction Stir welding, Saint- Sauveur, Canada, pp. 01-11, October 10-13, 2006. 

  L. Dubourg, F.- O. Gagnon, F. Nadeau, L. St-Georges, M. Jahazi, ‘Process window optimization for FSW of thin and thick sheet Al alloys using statistical methods’, Proc. of the 6th International Symposium on Friction Stir welding, Saint- Sauveur, Canada, pp. 68-78, October 10-13, 2006. 

  H. Al-Kazzaz, M. Medraj, X. Cao, M. Jahazi, M. Xiao, ‘Effects of laser power and joint gap on Nd:YAG laser weldability of ZE41A-T5 magnesium alloy sand castings’, Magnesium Technology in the Global age, COM 2006, Montreal, Canada, pp. 503-518, October 1-4 2006. 

  A.R. Khodabandeh, M. Jahazi, S. Yue, and S. T. Aghdashi, ‘Austenite Transformation of Nb-V Microalloyed Steel Influenced by Reheating Temperature and Cooling Rate, Proc. Int. Symp. on Aerospace Materials and Manufacturing Processes, Eds. M. Jahazi, M. Elboudjaini, and P.C. Patnaik, Montreal, Canada, pp. 769-781, October 1-4 2006. 

  J. Gholipour and M. Jahazi, ‘Effect of lubricants in Hydroforming of Ni-Based Superalloy tubes, Proc. Int. Symp. on Aerospace Materials and Manufacturing Processes, Eds. M. Jahazi, M. Elboudjaini, and P.C. Patnaik, Montreal, Canada, pp. 425-439, October 1-4 2006. 

  M. Xiao, P. Wanjara, C. Poon, and M. Jahazi, ’Nd-Yag Laser welding of IN718 alloy, Proc. Int. Symp. on Aerospace Materials and Manufacturing Processes, Eds. M. Jahazi, M. Elboudjaini, and P.C. Patnaik, Montreal, Canada, pp. 395-413, October 1-4, 2006. 

  X. Cao, M. Xiao, and M. Jahazi, ’Effect of main Laser processing parameters on cladding quality of aerospace Mg alloy castings,’ Proc. Int. Symp. on Aerospace Materials and Manufacturing Processes, Eds. M. Jahazi, M. Elboudjaini, and P.C. Patnaik, Montreal, Canada, pp. 147-158, October 1-4, 2006. 

  F. Jalilian, R.A.L. Drew, and M. Jahazi, “ Joining of Inconel 617 sheets using TLP Bonding Process with Ni-Si-B Interlayer”, Proc. Int. Symp. on Aerospace Materials and Manufacturing Processes, Eds. M. Jahazi, M. Elboudjaini, and P.C. Patnaik, Montreal, Canada, pp. 315-327, October 1-4, 2006. 

  L. Dubourg, G. Desaize, M. Jahazi, P. Bocher, and R. LeGall, ’Microstructure and mechanical characterization of FSW 7075-T6 Lap joints’, Proc. Int. Symp. on Aerospace Materials and Manufacturing Processes, Eds. M. Jahazi, M. Elboudjaini, and P.C. Patnaik, Montreal, Canada, pp. 107-120 October 1-4, 2006. 

M. Xiao, C. Poon, P. Wanjara, M. Jahazi, Z. Fawaz, P. Krimbalis, “Optimization of Nd:YAG-Laser Welding Process for Inconel 718 Alloy”, International Conference on Aerospace Materials, Beijing International Materials Week, Beijing, China, June 25-30, 2006.
 P. Wanjara and M. Jahazi, ‘Linear Friction Welding for Aerospace Applications’, 2006 Society of Manufacturing Engineers (SME) Summit Conference, Los Angeles, California, USA, (Invited Paper), March 27-30, 2006.

  N. Boutana, P. Bocher, M. Jahazi, J. Savoie, D. Piot and F. Montheillet , Microstructural Modelling of Dwell fatigue ands room temperature creep in Ti alloy IMI834”, Proc. Int. Symp. on Aerospace Materials and Manufacturing Processes, Eds. M. Jahazi, M. Elboudjaini, and P.C. Patnaik, Montreal, Canada, pp. 769-781, October 1-4, 2006. 

  X. Cao, M, Xiao, M. Jahazi, and T. Sharif, “Surface Cladding of Magnesium Alloy Castings Using Nd:YAG Laser”, Magnesium Technology 2006, Eds. A.A. Luo, N.R. Neelameggham and R.S. Beals, TMS Annual Meeting and Exhibition, San Antonio, Texas, pp. 359-364, March 12-16, 2006. 

  F. Jalilian, M. Jahazi, and R. Drew, ‘Microstructure characterization of TLP bonded IN617 alloy’, Proc. Int. Symp. on Materials Science and Technology 2005, MS&T 2005, Eds. Ellen Cerreta, Vasisht Venkatesh, F. Dax, and Jaimie Tiley, Pittsburgh, PA, pp. 189-199, Sep. 25-28, 2005.

  P. Wanjara, H. Monajati, M. Jahazi, L. Germain, P. Bocher, and J-P Immarigeon: Deformation Processing Mechanism and Microstructural Evolution in a Near-Alpha Titanium Alloy, Proc. Int. Symp. on Modeling and Simulation of Titanium Technology: Theory and Practices, MS&T 2005, Eds. Ellen Cerreta, Vasisht Venkatesh, F. Dax, and Jaimie Tiley, Pittsburgh, PA, pp. 15-26, Sep. 25-28, 2005. 

  H. Al-Kazzaz, M. Medraj, X. Cao, M. Jahazi, and Min, X., “Effect of Welding Speed on Nd:YAG Laser Weldability of ZE41A-T5 Magnesium Sand Castings”, Proc. Int. Symp. on Light Metals, COM2005, edited by J.P. Marttin, Calgary, AL, Canada, , pp.137-149, Aug. 21-24, 2005. 

  P. Wanjara, C. Booth-Morrison, E. Hsu, and M. Jahazi, “Process Optimization for Linear Friction Welding of Ti-6Al-4V”, 7th International Conference in Trends in welding Research, Pine Mountain, Atlanta, GA, USA, pp. 855-863, May 16-20, 2005. 

  X. Cao, M. Xiao, M. Jahazi, “Nd:YAG Laser Welding of Magnesium Alloy Castings”, Magnesium Technology 2005, Eds. N.R. Neelameggham, H.I. Kaplan, and B.R. Powell, TMS, pp. 441-444, 2005. 

 P. Wanjara and M. Jahazi, "Linear Friction Welding of Aerospace Materials", Canada Welding Technology Roadmap Seminar,

Montreal, Canada, September 20, 2005.

  F. Jalilian, M. Jahazi and R. A. L. Drew, “Joining of Inconel 617 Sheets in TLP Bonding Using Ni - P and Ni - Si – B Alloys”, 7th International Conference in Trends in welding Research, Pine Mountain, Atlanta, GA, USA, pp. 873-879, May 16-20, 2005. 

  X. Cao, M. Xiao, and M. Jahazi. , "Continuous Wave Nd: YAG Laser Welding of ZE41A-T5 Magnesium Sand Castings: Conduction or Keyhole Mode", Second International Symposium on Aerospace Materials: Development, Testing and Life Cycle Issues - Honoring William Wallace, COM 2004, Hamilton, Ontario, Canada, pp.187-198, Aug. 22-25, 2004. 

X. Cao, M. Xiao, and M. Jahazi. , "Continuous Wave Nd: YAG Laser Welding of Zr-containing Sand-Cast Magnesium Alloys", Advance Manufacturing Technologies, AMT 2004, London, Ontario, Canada, June 1-3, 2004.

  F. Jalilian, R.A. L. Drew, M. Jahazi, and J-P. Immarigeon, “The influence of processing parameters on TLP joining of Inconel 617 alloy”, Second International Symposium on Aerospace Materials: Development, Testing and Life Cycle Issues - Honoring William Wallace, COM 2004, Hamilton, Ontario, Canada, pp.263-274, Aug. 22-25, 2004. 

  M. Brochu, S. Girard, and M. Jahazi,” Electron beam free forming using brazing paste and solid wires as filler metal”, Second International Symposium on Aerospace Materials: Development, Testing and Life Cycle Issues - Honoring William Wallace, COM 2004, Hamilton, Ontario, Canada, pp.323-334, Aug. 22-25, 2004. 

P. Wanjara, K. Leetmaa, and M. Jahazi, "Application of Electron Beam Welding Technology for Bonding of Cu to Cu-W Composite ", Advance Manufacturing Technologies, AMT 2004, London, Ontario, Canada, June 1-3, 2004.

  F. Jalilian, M. Jahazi, R.A.L. Drew, and J-P. Immarigeon, TLP bonding of Inconel 617, Second International Symposium on Aerospace Materials: Development, Testing and Life Cycle Issues - Honoring William Wallace, COM 2004, p Hamilton, Ontario, Canada, pp.187-198, Aug. 22-25, 2004. 

  P.Bocher, M. Jahazi, L. Germain, P. Wanjara, N. Gey, and M. Humbert, Microtexture analysis of hcp textured regions observed in a forged near alpha titanium alloy, proceedings of the 2nd International Conference on Texture and Anisotropy of Polycrystals, Metz, France, pp. 127-133, July 7 - 9, 2004. 

 A. Merati, C. Poon, M. Xiao, M. Jahazi, P. Patnaik, B. Thomas - Bombardier Aero., and G. Stephen - Bombardier Aero.., "Joining of Fuselage Structure by Nd:YAG Laser Welding ", Advance Manufacturing Technologies, AMT 2004, London, Ontario, Canada, June 1-3, 2004.
P. Wanjara, M. Jahazi, and J.-P. Immarigeon. , "Linear Friction Welding of Ti-6AI-4V", Advance Manufacturing Technologies, AMT 2004, London, Ontario, Canada, June 1-3, 2004.
F. Jalilian, M. Jahazi, J.-P. Immarigeon and R. Drew, "TLP bonding of Inconel 617", 16th Canadian Materials Science Conference, Ottawa, Ontario, Canada, June 14-17, 2004.
P. Vo, M. Jahazi, and S. Yue, ”Microstructure modeling during high temperature deformation of a near alpha titanium alloy”, 16th Canadian Materials Science Conference, Ottawa, Ontario, Canada, June 14-17, 2004.
 M. Jahazi, "Application of laser welding technology to the welding of aerospace aluminum alloys", ASM-Montreal annual seminar, Montreal, Canada, May 19, 2004.

M. Jahazi, H. Monajati, and S. Yue, "Hot Deformation Behavior of Solution Treated Nickel-base Superalloy U-720", CASI 2003, 16th Aerospace Structures and Materials Symposium, Montreal, Canada, April 21-23, 2003.

  M. Jahazi, A. Samadi, and S.Yue, “Determination of the Optimum Forging Conditions for a 7075 Aluminum Alloy”, COM 2003, Vancouver, Canada, pp. 433-444, Aug. 25-28, 2003. 

X. Cao, M. Jahazi, and J-P. Immarigeon, "Laser welding techniques for magnesium alloys, Aerospace Manufacturing Technology Conference, Montreal, Canada, Sep. 9-12, 2003.
P. Wanjara, M. Jahazi, and J-P. Immarigeon, “Interdependence of processing, microstructure and properties in forged aerospace titanium alloys”, Aerospace Manufacturing Technology Conference, Montreal, Canada, Sep. 9-12, 2003. 

  L. Germain , N. Gey, M. Humbert, P. Bocher, M. Jahazi, Texture and Microtexture Analysis of an IMI 834 alloy after Thermomechanical Processing, presented at 10th international conference in titanium, Ti-2003, Hamburg, Germany, pp. 1291-1298, July 2003. 

  M. Jahazi, A. Khodabandeh and S. T. Aghdashi, “A method to improve the toughness of forged microalloyed steels”, Proc. of 9th Int. Conf. of Mech. Eng. ISME 2001, Rasht, Iran, pp. 3-10, June 6-9, 2001. 

  F.K. Shafie, M. Jahazi, Y. Kharazi, and M. Abassi, “Thermomechanical processing of T-250 Maraging Steel”, Proc. of 9th Int. Conf. of Mech. Eng. ISME 2001, Rasht, Iran, pp. 41-48, June 6-9, 2001. 

  F.K. Shafie, M. Jahazi, and M. Abassi, “Influence of temperature and percent reduction on aging behavior of T-250 Maraging Steel”, Proc. of 4th Int. Conf. on Surface modifications and Heat Treatment, Isphahan, Iran, pp. 434-441, May 20-23, 2001. 

 H. Monajati, M. Jahazi, and H. Hosseini, “A computer code for the evaluation of the residual life of different boiler components”, Proceedings of 15th International Power Engineering Conf., Tehran, Iran, pp. 223-231, June 18-22, 2000. 

  M. Jahazi and M. Ghomi, “Texture evolution in two deep drawn aluminum alloys”, Proc. of the Int. Symp. on Thermomechanical Processing, Com2000, Ottawa, Canada, pp. 707-713. 

  S. T. Aghdashi, A. Khodabandeh and M. Jahazi, “The determination of optimum forging conditions for a vanadium containing microalloyed steel”, Proc. of 4th Int. Conf. on HSLA Steels, HSLA’2000, Beijing, China, .pp. 404-411, April 8-12, 2000. 

  S. Hossein-nejad and M.Jahazi, “Failure analysis and manufacturing technology of Seal strips”, Proc. 4th Int. Manufac. Conf., Tehran, Iran pp. 285-292, March 10-12, 2000.

  A. Samadi and M. Jahazi,, “The determination of optimum heat treatment conditions for the forging of a 7075 Al alloy”, Proc. 2nd Int. Conf. Metall. of non Ferrous Alloys, Kerman, Iran, pp. 703-712, July 11-14, 2000. 

  M. Jahazi and G. Ebrahimi, “Flow localization during the forming of an ultra high strength steel”, Proc. of the 6th Int. ISME Conf., Tehran, Iran, pp. 1445-1452, June 12-15, 1998.

  H. Monajati and M. Jahazi, “Residual life evaluation of critical boiler parts”, Proc. Int. IME Conf.,  Tehran, Iran, pp. 757-767, March 8-11, 1998. 

  M. Jahazi and M. Ghomi, “Microstructural evolution and formability in two aluminum alloys, “Proc. of the 5th Int. ISME Conf., Tabriz, Iran, pp. 1321-1330, June 8-12, 1997. 

  M. Jahazi and A. Samadi, “ The influence of quench parameters on the microstructure and toughness of AISI 4130 steel”, Proc. Int. IME Conf., Tehran, Iran, pp. 195-202, March 11-14, 1997. 

  M. Goudarzi, M. Jahazi and A. Fallahi, “The influence of recrystallization temperature on the earing of a 1100 aluminum alloy”, Proc. Int. Manufacturing Conf., Tehran, Iran, pp. 179-186, June 22-25, 1995. 

 M. Jahazi and F. Jalilian, “The influence of chemical treatments on the interface quality and physical properties of copper-graphite composites”, Proc. Int. Conf. on Composite Materials ICCM 10, Vol. 4, Whistler, Canada, pp. 439-446, July 8-12, 1995. 

  M. Jahazi and F. Jalilian, “The determination of optimum fiber surface treatment for the production of Cu-Gr composites,” Proc. Int. Conf. on Interfaces on Composite Materials, Tokyo, Japan, pp. 220-228, Sep 2-5, 1995. 

  M. Hosseinpour and M. Jahazi, “The influence of welding parameters on the HAZ microstructure of an ultra high strength steel”, Proc. Int. Conf. on Recent Advances in Materials, RAMM 94, Penang, Malaysia, pp. 120-127, July 25-29, 1994. 

  F. Jalilian and M. Jahazi, “The effect of surface treatments on the physical behavior of copper-graphite composites”, Proc. Int. Conf. on Recent Advances in Materials, RAMM 94, Penang, Malaysia, pp. 326-334, July 25-29, 1994. 

  H. Sadeghi, M. Shariati and M. Jahazi, “ A computer code for the prediction of forming steps in precision forging”, Proc. of the 2nd Int. ISME Conference, Vol. 3, Tehran, Iran, pp. 167-174, June 18-22, 1994. 

  F. Jalilian, A. Sedghi and M. Jahazi, “The influence of carbon fiber surface treatment on the mechanism of copper growth”, Proc. of the 2nd Int. ISME Conference, Vol. 3, Tehran, Iran, pp. 269-274, June 18-22, 1994. 

 M. Hosseinpour and M. Jahazi, “Optimum welding of AISI 4130 steel”, Proc. of the 2nd Int. ISME Conference, Vol. 3, pp. 214-221, Tehran, Iran,1994. 

  F. Jalilian, A. Sedghi and M. Jahazi, “The influence of chemical surface treatment on the wettability of carbon fibers”, Proc. Int. Conf. on Tribology, Isphahan University of Technology, pp. 333-349, 1992. 

  A. Akmoulin, M. Djahazi, and J. J. Jonas, “Effect of initial porosity on the superplastic behavior of Y-TZP in vacuum”, SuperPlasticity in Advanced Materials, pp. 233-239, 1991. 

  M. Djahazi, X. L. He and J. J. Jonas, “Acceleration of Nb(C,N) precipitation in HSLA steels by boron addition”, HSLA Steels 90, Paper No 17, ASM, Beijing, China, pp. 230-238, July 5-9, 1990. 

  M. Djahazi, X.L. He, J.J. Jonas and L. Collins, “The effect of Nb and B on austenite recrystallization”, Proc. Int. Conf. on Recrystallization of Metallic Materials, ASM – TMS, Wollongong, Australia pp. 681-687, 1990. 

 M. Djahazi, X. L. He, J.J. Jonas and G. E. Ruddle, “Influence of boron distribution on recrystallization and precipitation in a Nb-Ti HSLA steel”, Proc. Int. Conf. on Processing, Microstructure and Properties of HSLA Steels, pp. 69-78, TMS - AIME, Pittsburgh, 1988. 

  M. Djahazi, X. L. He and J. J. Jonas, “Effect of boron on the kinetics of precipitation in deformed austenite”, Proc. Int. Conf. on Physical Metallurgy and Thermomechanical Processing of Steel and Other Metals, ISIJ, Tokyo, Japan, pp. 246-253, July 8-12, 1988. 

  M. Djahazi, X. L. He and J. J. Jonas, “Effect of boron on the precipitation of carbonitrides in a Nb-Ti HSLA steel”, 29th Mechanical Working and Steel Processing conference, TMS-AIME, Toronto, Canada, pp. 403-408, November3-6, 1987. 

 

 

 

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