دکتر مجتبی موحدی
عضو هیئت علمی دانشکده مهندسی و علم مواد دانشگاه صنعتی شریف با مرتبه دانشیار
مدرس دروس و دوره های بازرسی جوش، آزمون های غیر مخرب NDT و لحیم کاری
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. BSc. in Materials Science and Engineering (Industrial Metallurgy), Department of Materials Science and Engineering , Sharif University of Technology, 2004. |
Research Interests
Additive manufacturing |
Courses Taught
Undergraduate:
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Awards & Honors
Outstanding teacher award in Sharif University of Technology, 2019 Outstanding teacher award in Sharif University of Technology, 2013 “Dr. Mojtahedi Innovation Award” for Distinguished Innovation in Research and Education at Sharif University of Technology, (2010), Sharif University of Technology Association (SUTA).
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Publications Journal Papers:Seyyed Ezzatollah Moosavi, Mojtaba Movahedi, Mohsen Kazeminezhad, “Friction stir welding of severely plastic deformed aluminum using (Al2O3 + graphite) hybrid powders: grain structure stability and mechanical performance”, Journal of Materials Research and Technology, Vol. 21, November–December 2022, 961-980. M. Tamizi, M. Movahedi, A.H. Kokabi, Y. Miyshita, and S. Azghandi Rad, “Wettability and Rheological Behavior of Low Ag Lead-Free SAC/Graphene and Cobalt-Graphene Nanocomposite Solder Paste”, Metallurgical and Materials Transactions A,Vol. 53A, AUGUST 2022, 2811-2822. Hosseinali Shiravi, Mojtaba Movahedi, Ashkaan Ozlati, “Improving appearance and mechanical strength of aluminum‑polypropylene/talc composite friction stir joint using a novel tool design”, The International Journal of Advanced Manufacturing Technology, (2022) 121:3717–3730. S. Azghandirad, M. Movahedi, A. Kokabi, M. Tamizi , “Investigation of microstructure and physical properties in nanocomposite solder reinforced with various percent of graphene nanosheets (SAC0307+GNSs)”, Journal OF Welding Science and Technology of Iran, Volume 8,Number 1, 2022, pp. 47-58 (in persian). S.E. Moosavi, M. Movahedi, M. Kazeminezhad, “The effect of rotation speed to traverse speed ratio and number of welding passes on thermo-mechanical stability of severely plastic deformed aluminum joined by friction stir welding and graphite/Al2O3 hybrid powder”, Journal of Welding Science and Technology of Iran, Volume 8,Number 1, 2022, pp. 29-46 (in persian). M. Tamizi, M. Pouranvari, and M. Movahedi, “The Role of HAZ Softening on Cross-Tension Mechanical Performance of Martensitic Advanced High Strength Steel Resistance Spot Welds”, Metallurgical and Materials Transactions A, VOLUME 52A, FEBRUARY 2021, 655-667. Hassan. Jiryaei Sharahi, Majid. Pouranvari, Mojtaba. Movahedi, Modification of Microstructure and Enhancing Mechanical Properties of as-cast AZ91 Magnesium alloy via Friction Stir Processing, New Process in Material Engineering, 2021, 15(1), 71-82 (in persian). M. Pouranvari , H. Jiryaei Sharahi and M. Movahedi, “Effect of liquation on the tensile properties of cast Mg–9Al–1Zn Alloy fusion welds”, Science and Technology of Welding and Joining, 2020, Vol. 25, No. 8, 698–705.S. Rahimi, M. Movahedi, “Resistance Spot Welding of Aluminum to Aluminum Clad Steel Sheet: Experimental and Theoretical Analysis”, Journal of Manufacturing Processes, 2020, Vol. 58, pp. 429-435. H. Jiryaei Sharahi, M. Pouranvari, M. Movahedi, “Enhanced resistance to liquation cracking during fusion welding of cast magnesium alloys: Microstructure tailoring via friction stir processing pre-weld treatment”, Materials Science & Engineering A, 2020, Vol. 798, 140142.H. Jiryaei Sharahi , M. Pouranvari and M. Movahedi, “Strengthening and ductilization mechanisms of friction stir processed cast Mg–Al–Zn alloy”, Materials Science & Engineering A, 2020, Vol. 781, 139249. A. Ozlati, M. Movahedi, M. Tamizi, Z. Tartifzadeh and S. Alipour, “An alternative additive manufacturing-based joining method to make Metal/Polymer hybrid structures”, Journal of Manufacturing Processes, 2019, Vol. 45, pp. 217-226. M Farshbaf Ahmadipour, M Movahedi, and AH Kokabi, “Microstructural Evaluation and Mechanical Properties of Al1050/TiO2-Graphite Hybrid Nanocomposite Produced Via Friction Stir Processing”, Metallurgical and Materials Transaction A, 2019, Vol. 50A, pp. 2443-2461. A. Ozlati, M. Movahedi, “Effect of In Situ Post Weld Heat Treatment on Mechanical Behavior and Austenite–Ferrite Phase Balance of Fe-Cr-Ni/Fe-Cr Stainless Steels Upset Resistance Dissimilar Weld”, Journal of Manufacturing Science and Engineering, Vol. 142, pp. 021008-1- 021008-9. F Bodaghi, M Movahedi , AH Kokabi and R Tavakoli, “Effect of solid fraction, grain misorientation and grain boundary energy on solidification cracking in weld of Al–Cu aluminum alloys”, Materials Research Express, 2019, Vol. 6, 086598. MH Montazerian, M Movahedi and MR Jondi, “Effect of graphene and process parameters on mechanical performance and electrical resistance of aluminum to copper friction stir joint”, Materials Research Express, 2019, Vol. 6, 046561. Alireza Najafi, Mojtaba Movahedi and Ali Sadoughi Yarandi, “Properties–microstructure relationship in Al–Fe in situ composite produced by friction stir processing”, Journal of Materials: Design and Applications, Proceedings of the Institution of Mechanical Engineers, Part L, Vol. 233 (10), pp. 1955-1965. A. Ozlati, M. Movahedi, “Effect of welding heat-input on tensile strength and fracture location in upset resistance weld of martensitic stainless steel to duplex stainless steel rods”, Journal of Manufacturing Processes, 2018, Vol. 35, pp. 517-525. M. Shamsian, M. Movahedi, A. H. Kokabi, A. Ozlati, “Upset-Resistance Welding of Aluminum to Copper Rods: Effect of Interface on Performance”, Materials Science and Technology, Article in Press, 2018, DOI: 10.1080/02670836.2018.1482254. S. H. Arabi, M. Pouranvari & M. Movahedi, “Pathways to improve the austenite–ferrite phase balance during resistance spot welding of duplex stainless steels”, Science and Technology of Welding and Joining, 2019, Vol. 24, No. 1, 8–15 A. Hasanniah, M. Movahedi, “Welding of Al-Mg aluminum alloy to aluminum clad steel sheet using pulsed gas tungsten arc process”, Journal of Manufacturing Processes, 2018, Vol. 31, pp. 494-501. E. Fereiduni , M. Movahedi, A. Baghdadchi, “Ultrahigh-strength friction stir spot welds of aluminium alloy obtained by Fe3O4 nanoparticles”, Science and Technology of Welding and Joining, 2018, Vol. 23, No. 1, pp. 63–70. S.H. Arabi, M. Pouranvari, M. Movahedi, “Welding metallurgy of duplex stainless steel during resistance spot welding”, Welding Journal, September 2017, Vol. 96, pp. 307s-318s.. D. Shirmohammadi, M. Movahedi, M. Pouranvari, “Resistance spot welding of martensitic stainless steel: Effect of initial base metal microstructure on weld microstructure and mechanical performance”, Materials Science & Engineering A, 2017, Vol. 703, pp. 154-161. M. Eftekhari, M. Movahedi, A.H. Kokabi, “Microstructure, Strength, and Wear Behavior Relationship in Al-Fe3O4 Nanocomposite Produced by Multi-pass Friction Stir Processing”, Journal of Materials Engineering and Performance, 2017, Vol. 26 (7), pp. 3516-3530. E. Fereiduni, M. Movahedi, A.H. Kokabi, H. Najafi, “Effect of Dwell Time on Joint Interface Microstructure and Strength of Dissimilar Friction Stir Spot-Welded Al-5083 and St-12 Alloy Sheets”, Metallurgical and Materials Transaction A, 2017, Vol. 48A, pp. 1744-1758. H. Karami Pabandi, M. Movahedi, A.H. Kokabi, “A new refill friction spot welding process for aluminum/polymer composite hybrid structures”, Composite Structures, 2017, Vol. 174, pp. 59-69. S. Aliasghari, M. Ghorbani, P. Skeldon, H. Karami, M. Movahedi, “Effect of plasma electrolytic oxidation on joining of AA 5052 aluminium alloy to polypropylene using friction stir spot welding”, Surface & Coatings Technology, 2017, Vol. 313, pp. 274-281. 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, 2017, Vol. 22 (4), pp. 327–335. H. Karami Pabandi, M. Movahedi, A. Kokabi, Effect of tool rotational speed on friction spot joining of aluminum/polymer, Modares Mechanical Engineering, 2017, Vol. 17(1), pp. 431-440, (in Persian). S. H. Arabi, M. Pouranvari, M. Movahedi, Influence of heat-input on mechanical behavior and phase balance of 2304 duplex stainless steel resistance spot welds, Modares Mechanical Engineering, 2017, Vol. 17(5), pp. 159-165 (in Persian). 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 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 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: M. Tamizi, M. Pouranvari, M. Movahedi, “An investigation into microstructure and mechanical properties of advanced high stength martensitic steel resistance spot weld in body in white “, Sympsium of steel, 2019, (in persian). P. Poorshayan, M. Movahedi, A. Ozlati, “Dissimilar resistance spot welding of martensitic to duplex stainless steel: effect of welding current on on the joint mechanical properties and microstructure”, 19th National Conference on Welding & Inspcction (19th NCWI) & 8th National Conference on NDT (8th NCNDT), 2019, (in Persian) A. Ozlati, M. Movahedi, “An investigation into the effect of in-situ post weld heat treatment time and current on the microstructure and mechanical properties of martensitic to duplex stainless steel upset resistance weld”,19th National Conference on Welding & Inspcction (19th NCWI) & 8th National Conference on NDT (8th NCNDT), 2019, (in Persian) F. Bodaghi, M. Movahedi, A.H. Kokabi, “Modeling of solidification cracking susceptibility in Al-Cu alloys weld: effect of grains misorientation angle and deformation direction”, 19th National Conference on Welding & Inspcction (19th NCWI) & 8th National Conference on NDT (8th NCNDT), 2019, (in Persian) P. Farhat, M. Movahedi, “Microstructure and Mechanical Properties of Al/Cu-Fe In-situ Composite Produced by Friction Stir Processing”, 18th National Conference on Welding & Inspcction (18th NCWI) & 7th National Conference on NDT (7th NCNDT), 2018, (in Persian). M.R. Jondi, M. Movahedi, M. Montazerian, “Effect of Graphene on Microstructure and Mechanical Properties of Aluminum to Copper Friction Stir Weld”, 18th National Conference on Welding & Inspcction (18th NCWI) & 7th National Conference on NDT (7th NCNDT), 2018, (in Persian) Ozlati, M. Movahedi, Effect of Welding Current on Upset Resistance Welding of Duplex stainless steel to Martensitic Stainless Steel, 6th International Conference and 11th Congress of Iranian Metallurgical & Materials Engineering Society & Iranian Foundrymen’ Society, 2017 (in Persian). Hasanniah, M. Movahedi, Microstructure and mechanical properties of aluminum to aluminum clad steel lap joint using gas tungsten arc welding process, 6th International Conference and 11th Congress of Iranian Metallurgical & Materials Engineering Society & Iranian Foundrymen’ Society, 2017 (in Persian) M. Farshbaf Ahmadi Pour, M. Movahedi, A.H. Kokabi, S. Ahmadian, “Effect of Heat Input on Mechanical Behavior of Al-1050/TiO2-G raphite Nano-Composite Produced by Friction Stir Processing”, 5th International Conference and 10th Congress of Iranian Metallurgical & Materials Engineering Society & Iranian Foundrymen’ Society, 2016 (in Persian). A. Baghdadchi, M. Movahedi, E. Fereiduni, “Effect of addition of Fe3O4 nano-powders in friction stir spot welding of aluminum 5083 sheets”, 5th International Conference and 10th 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. 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, 2015 (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, 2015 (in Persian). 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. |