Mahdi Hamidi


Department of Mechanical & Industrial Engineering
Microcellular Plastic Manufacturing Laboratory (MPML)
NanoMechanics and Materials Laboratory (NanoM2)
University of Toronto | 5 King’s College Rd. Toronto |Ontario | M5S 3G8 | Office: RS104


Google Scholar





University of Toronto, Toronto, Canada  

Ph.D., Mechanical Engineering

Thesis: Thermal and Electrical Properties of Graphene-based Polymer Nanocomposite Foams

01/2013‐ 08/2015



Ryerson University, Toronto, Canada

Ph.D., Mechanical Engineering (Solid Mechanics)

Thesis: Development of a Kinematic Hardening Rule to Assess Ratcheting Response of Materials under various Multiaxial Loading Spectra




Ferdowsi University of Mashhad, Iran

M.Sc. Mechanical Engineering,

Thesis: Resistance Spot Welding of Galvanized Steel Sheets Used in Car Body Manufacturing




Azad University of Najafabad, Iran

B.S., Mechanical Engineering,

Major: Manufacturing and Production

Fellowships & Awards 

2019-2021 Natural Sciences and Engineering Research Council of Canada (NSERC) Postdoctoral Fellowship
2018 NSERC Michael Smith Foreign Study Supplements (CGS-MSFSS)
2017-2019 NSERC Alexander Graham Bell Canada Graduate Scholarship-Doctoral (CGS D2)
2018 Michael Reedy Scholarship, FOAMS®2018 Conference, Montreal, QC
2017 School of Graduate Studies Conference Grant
2017 MIE Graduate Student Travel Grant
2016 Ontario Graduate Scholarship
2016 Queen Elizabeth II/DuPont Canada Scholarship in Science and Technology (declined)
2015-2019 University of Toronto Fellowship, Department of Mechanical & Industrial Engineering
2015 Ryerson Doctoral Thesis Completion Award
2015 Nominated for The Governor General Gold Medal (GGGM) Award of Ryerson University
2013‐2015 Ryerson University PhD Fellowship

Articles Published  in Refereed Journals
(†equal contribution; *corresponding author)

  1. Zhao, B., Zhao, C., Hamidinejad, S.M., Wang, C., Li, R., Wang, S., Kazemi, , and Park, Chul B (2018) Incorporating a microcellular structure into PVDF/graphene-nanoplatelet composites to tune their electrical conductivity and electromagnetic interference shielding properties, Journal of Materials Chemistry C, 6: 10292-10300.
  2. Hamidinejad, S.M., Zhao, B, Zandieh, A., Moghimian, N., Filleter, T., and Park, C.B. (2018) Enhanced electrical and electromagnetic interference shielding properties of polymer-graphene nanoplatelet composites fabricated via supercritical-fluid treatment and physical foaming, ACS Applied Materials and Interfaces, 10(36): 30752–30761.
  3. Zhao, B.†, Hamidinejad, S.M.†, Zhao, C., Li, R., Wang, S., Kazemi, , and Park, Chul B. (2018) A versatile foaming platform to fabricate unprecedentedly high dielectric permittivity, ultra-low dielectric loss of polymer/carbon composites, Journal of Materials Chemistry A, DOI: 10.1039/C8TA05556D.
  4. Hamidinejad, S.M.†, Zhao, B.†, Chu, R.k.M., Moghimian, N., Naguib, H., Filleter, T., and Park, C.B. (2018) Ultralight microcellular polymer-graphene nanoplatelet foams with enhanced dielectric performance, ACS Applied Materials and Interfaces, 10 (23): 19987–19998.
  5. Hamidinejad, S.M., Chu, R.k.M., Zhao, B., Park, C.B., and Filleter, T. (2018) Enhanced thermal conductivity of graphene nanoplatelet-polymer nanocomposites fabricated via supercritical fluid assisted in-situ exfoliation, ACS Applied Materials and Interfaces, 10 (1): 1225−1236.
  6. Zhao, B., Wang, S., Zhao, C., Li, R., Hamidinejad, S.M., Kazemi, Y., and Park, C.B. (2018) Synergism between carbon materials and ni chains in flexible poly(vinylidene fluoride) composite films with high heat dissipation to improve electromagnetic shielding properties, Carbon, 127: 469-478.
  7. Zhao, B., Zhao, C., R. Li, Hamidinejad, S.M., and Park, C.B. (2017) Flexible, ultrathin, and high-efficiency electromagnetic shielding properties of poly(vinylidene fluoride)/carbon composite films, ACS Applied Materials and Interfaces, 9 (24): 20873–20884.
  8. Hamidinejad, S.M.*, Noban, M. R. and Varvani-Farahani, A. (2016) Ratcheting of 304 stainless steel alloys subjected to stress-controlled and mixed stress- and strain-controlled conditions evaluated by kinematic hardening rules, Fatigue & Fracture of Engineering Materials & Structures 39(2): 238-250.
  9. Hamidinejad, S.M.* and Varvani-Farahani, A. (2015) Ratcheting assessment of steel samples under various non-proportional loading paths by means of kinematic hardening rules, Materials & Design 85: 367-376.
  10. Hamidinejad, S.M. and Varvani-Farahani, A. (2015) Ratcheting of 304 stainless steel under multiaxial step-loading conditions, International Journal of Mechanical Sciences 100: 80-89.
  11. Ahmadzadeh, G.R., Hamidinejad, S.M. and Varvani-Farahani, A. (2014) Ratcheting prediction of 1070 and 16MnR steel alloys under uniaxial asymmetric stress cycles by means of Ohno–Wang and Ahmadzadeh–Varvani kinematic hardening rules, Journal of Pressure Vessel Technology, Transactions of the ASME, 137: 031001-1-031001-11.
  12. Hamidinejad, S.M.*, Hasanniya, M. H., Salari, Nooshin and Valizadeh, E. (2013) CO2 laser welding of interstitial free galvanized steel sheets for use in tailor welded blanks, International Journal of Advanced Manufacturing Technology, 64, Issue 1-4: 195-206.
  13. Hamidinejad, S.M.*, kolahan, F. and Kokabi, A. H. (2012) The modeling and process analysis of resistance spot welding on galvanized steel sheets used in car body manufacturing, Materials & Design, 34:759–767.

Patents and copyrights

  • Hamidinejad, S.M., Park, C.B., and Nazarpour, S., (2017) Method of Exfoliating and Dispersing High Concentration Graphene Nanoplatelets (GnP) into Polymeric Matrices Using Supercritical Fluid (SCF), applied for US Provisional Patent, Application Serial No. 62/512,790.