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Educational Background    Research Interests    Courses Taught     Awards & Honors    Publications    Books   

Contact Information:
Address: Dept. of Materials Science and Engineering
               Sharif University of Technology
               Azadi Street, Tehran
                Iran

                                                                                     Phone:   +98 21 66165224
                                                               Fax:
        +98 21 66005717
                                                               Email:    
m_movahedi@sharif.edu
photo

Mojtaba Movahedi
Assistant Professor


Educational Background

PhD. in Materials Science and Engineering (Welding), Department of Materials Science and Engineering , Sharif University of  Technology 2012.

MSc. in Materials Science and Engineering (Welding), Department of Materials Science and Engineering , Sharif University of Technology, 2006.

BScin Materials Science and Engineering (Industrial Metallurgy), Department of Materials Science and Engineering , Sharif University of Technology, 2004.

Research Interests

Advanced Welding Processes
Friction Stir Welding and Processing
Phase Transformations in Weld
Aluminum Alloys to Steels Weld
Brazing and Soldering



Courses Taught

Undergraduate:

Physical Metallurgy
Quality Control and Non-destructive Testing 

Graduate:
Weld Inspection
Stress Analysis in  Weldments
Brazing and Soldering



Awards & Honors

"Dr. Mojtahedi Innovation Award" for Distinguished Innovation in Research and Education at Sharif University of Technology,  (2010), Sharif University of Technology Association (SUTA).


Publications

Journal Papers:

M. Tamizi, M. Pouranvari, M. Movahedi, "Welding metallurgy of martensitic advanced high strength steels during resistance spot welding", Science and Technology of Welding and Joining, 2016, Article in press, DOI: 10.1080/13621718.2016.1240979.

A. Ozlati, M. Movahedi, H. Mohammadkamal, "Upset Resistance Welding of Carbon Steel to Austenitic Stainless Steel Narrow Rods", Journal of Materials Engineering and Performance, 2016, Vol. 25 (11), pp. 4902-4910.

H. Shahmiri, M. Movahedi, A. H. Kokabi, "Friction stir lap joining of aluminium alloy to polypropylene sheets", Science and Technology of Welding and Joining, 2016, Article in press, DOI: 10.1080/13621718.2016.1204171.

M.R. Arghavani, M. Movahedi, A.H. Kokabi, "Role of zinc layer in resistance spot welding of aluminium to steel", Materials and Design, 2016, Vol. 102, pp. 106-114.

E. Fereiduni, M. Movahedi, A.H. Kokabi, "Dissimilar Al/steel friction stir spot welding: To penetrate into the lower steel sheet or not?", Science and Technology of Welding and Joining, 2016, Vol. 21, pp. 466-472.

E. Fereiduni, M. Movahedi, A.H. Kokabi, "Aluminum/steel joints made by an alternative friction stir spotwelding process", Journal of Materials Processing Technology, 2015, Vol. 224, pp.1–10.

M Sarkari Khorrami, M. Movahedi, "Microstructure evolutions and mechanical properties of tubular aluminum produced by friction stir back extrusion", Materials and Design, 2015, Vol. 65, pp.74–79.

M. Sarkari Khorrami, S.Samadi, Z.Janghorban, M.Movahedi, "In-situ aluminum matrix composite produced by friction stir processing using Fe particles", Materials Science & Engineering A, 2015, Vol. 641, pp. 380–390.

M. Sarkari Khorrami, A. H. Kokabi,  M. Movahedi, "Study on Joint Interface and Mechanical Properties of Cu/Pb-Sn/Cu Lap Joint Produced by Friction StirSoldering Process", Journal of Materials Engineering and Performance, 2015, Vol. 24, pp. 2158-2169.

M. Movahedi, A.H. Kokabi, S.M. Seyed Reihani, H. Najafi, S.A. Farzadfar, W.J. Cheng, C.J. Wang, "Growth kinetics of Al–Fe intermetallic compounds
during annealing treatment of friction stir lap welds", 
Materials Characterization, 2 0 1 4, Vol. 9 0, pp. 1 2 1 – 1 2 6.

M. Movahedi, A. H. Kokabi and S. M. Seyed Reihani, W.J. Cheng and C.J. Wang, "Effect of annealing treatment on joint strength of aluminum/steel friction
stir lap weld", Materials and Design, 2013, Vol. 44, pp. 487-492.

M. Movahedi, A. H. Kokabi and S. M. Seyed Reihani, “Investigation on friction stir lap welding of aluminium to aluminium clad steel sheets”, Science and Technology of Welding and Joining, 2012, Vol. 17, No. 3, pp. 231-236.

M. Movahedi, A. H. Kokabi, S. M. Seyed Reihani and H. Najafi, “Effect of tool travel and rotation speeds on weld zone defects and joint strength of aluminium steel lap joints made by friction stir welding”, Science and Technology of Welding and Joining, 2012 Vol. 17, No. 2, pp. 162-167.

M. Movahedi, A.H. Kokabi, H.R. Madaah-Hosseini and M. Kiani, “Roll bonding behaviour of Al-3003/Al-4043 and Al-3003/Zn sheets”, Metals and Materials International, 2011, Vol. 17, No. 4, pp. 665-670.

M. Movahedi, A.H. Kokabi and S.M. Seyed Reihani, “Investigation on the bond strength of Al-1100/St-12 roll bonded sheets, optimization and characterization”, Materials and Design, 2011, Vol. 32,  pp. 3143–3149.

M. Movahedi, A.H. Kokabi and H.R. Madaah-Hosseini, "An investigation on the soldering of Al 3003/Zn sheets", Materials Characterization, 2009, Vol. 60, Issue 5, pp. 441-446.

M. Movahedi, H.R. Madaah-Hosseini and A.H. Kokabi, "The influence of roll bonding parameters on the bond strength of Al-3003/Zn soldering sheets", Materials Science and Engineering A, 2008, Vol. 487, pp. 417–423.

M. Movahedi, A. Karimi Taheri and H. Niamanesh, "Combined effect of cooling slope angle and mould vibration on semisolid microstructures of wrought aluminium alloy 7075", International Journal of Cast Metals Research, 2007, Vol. 20, No. 4, pp. 221-227.

Karimi Taheri, M. Movahedi and H. Niamanesh, "The effect of mold vibration on the microstructure of Al7075 thixoforming billet produced by the cooling slope thechnique", Sahrif Journal of Science and Technology, Autumn 2007, No. 39, pp. 53-59 (in Persian).

M. Movahedi and A.H. Kokabi, "An investigation on the roll bonding strength and bending resistance of the Al3003/Zn soldering sheets", Metallurgical Engineering, Spring 2007, No. 26, Vol. 10, pp. 12-17 (in Persian).

A. Mohassel, A.H. Kokabi, P. Davami, E. Ranjbarnodeh and M. Movahedi,  "Heat transfer modelling in wide gap rail thermite welding",  Journal of Advanced Materials and Processing, 2012, No. 2, Vol. 1, pp. 29-37.

E. Fereiduni, M. Movahedi, A.H. Kokabi, "Effect of Intermetallic Compounds on the Strength of Dissimilar Friction Stir Spot Welded Al/Steel Joints", Journal of Materials and Metallurgical Engineering, Accepted manuscript (in Persian).

E. Fereiduni, M. Movahedi, A.H. Kokabi, "Effect of welding parameters on dissimilar friction stir spot welded Al-5083/St-12 alloy sheets", Journal of Materials and Metallurgical Engineering, Accepted manuscript (in Persian).

Conference Papers:

E. Fereiduni, M. Movahedi, A.H. Kokabi, "Effect of Tool Positioning on the Strength of Dissimilar Friction Stir Spot Welded Al/Steel Joints", 4th International Conference and 9th Congress of Iranian Metallurgical & Materials Engineering Society & Iranian Foundrymen’ Society, 2016 (in Persian).

A. Najafi, M. Movahedi, A. Sadoughi, "Effect of reinforcement percent and tool rotating direction on microstructure and mechanical properties of Al-1050/Fe produced by friction stir processing", 4th International Conference and 9th Congress of Iranian Metallurgical & Materials Engineering Society & Iranian Foundrymen’ Society, 2016 (in Persian). 

M. Farshbaf Ahmadi Pour, M. Movahedi, A. H. Kokabi, "Al-1050/TiO2-Graphite Nano-Composite Produced by Friction Stir Processing", 6th International Conference on Nanostructures (ICNS6), 2016.

M. Movahedi, A.H. Kokabi, S.M. Seyed Reihani and H. Najafi, “Mechanical and Microstructural Characterization of Al-5083/St-12 lap joints made by friction stir welding”, Procedia Engineering (ICM-11), 2011, Vol. 10, pp. 3297–3303. 

M. Movahedi, V. Firouzdor, B. Nemati and A. H. Kokabi, "Resistance spot welding of Al5005 aluminum alloy", Proceedings of The First South-East Asia International Institute of Welding Congress, Bangkok, Thailand, November 2006, pp. 151-156.

M. Movahedi, A. Karimi Taheri and H. Niamanesh, "Effect of cooling slope angle on semisolid microstructures of wrought alloy Al7075", 10th National Conference of Iranian Metallurgical Engineers Society, Mashhad, October, 2006, p. 22, (in Persian).

M. Movahedi and A.H. Kokabi, "An investigation on the roll bonding strength and bending resistance of the Al3003/Zn soldering sheets", 10th National Conference of Iranian Metallurgical Engineers Society, Mashhad, October, 2006, p. 100, (in Persian).

Ε. Νejati, V. Firouzdor, M. Movahedi and F. Khomamizadeh, "An investigation on the effect of the deep cryogenic treatment on thermal fatigue behavior of A380 aluminum alloy", 10th National Conference of Iranian Metallurgical Engineers Society, Mashhad, October, 2006, p. 133, (in Persian).

M. Movahedi, A. H. Kokabi and H.R. Maddah Hosseini, "Soldering of Al3003 Alloy by Using Al3003/Zn Soldering Sheets", 11th National Conference of Iranian Metallurgical Engineers Society, Isfahan, October, 2007 (in Persian).

Books

"فرایندهای سرامیکی"، محمد رحمان (مولف)، محمدرضا محمدی، افشین مسعودی، مجتبی موحدی (مترجمان)، انتشارات دانشگاه صنعتی شریف، 1394.