Mohammad S. Dodaran, Ph.D.

Associate
Mechanical Engineering
Atlanta
  • CV (English)
  • Contact Card

Dr. Dodaran has an extensive background in multiscale material modeling, investigating complex engineering problems that arise in a wide range of industries. He has investigated fatigue and fracture of high temperature and corrosion resistance additively manufactured (AMed) superalloys used in the aerospace industry. He also performed experimental material characterization utilizing optical/electron microscopy and mechanical testing to investigate and improve the mechanical performance of superalloys. Using the principals of solid mechanics, interface engineering, and simulation, he investigated plasticity size effects observed in the manufacturing of miniature devices (MEMS), microscale reverse extrusion of metallic parts, and multilayer metallic nanocomposites and metal/ceramic sandwich structures.

Prior to joining Exponent, Dr. Dodaran served as a marine and offshore structural design and installation engineer, where he was involved in the design, construction, transportation, and installation (miscellaneous design, lift, loadout, and transportation analysis) of multiple offshore platforms (Jacket, Topside, Flare, and Bridge). He also worked as a naval architect, involved in the designing, preparation of the drawings, and manufacturing of a fiber-reinforced composite passenger vessel.

As a mechanical engineering graduate research assistant at Auburn University, Dr. Dodaran proposed a physics-based crystal plasticity hardening model that captured slip localization under cyclic loading and the formation of persistent slip bands, which is used to study the synergistic effect of defect and microstructure on the formation of fatigue cracks in AMed Inconel 718. Dr. Dodaran performed extensive experimental testing and material characterization using a servo-hydraulic load frame and optical/electron microscopes to investigate the tensile and fatigue properties, elemental segregation, microstructure, phase, and volumetric/planar defect content of materials. In a series of publications, Dr. Dodaran has investigated the mechanisms that govern the deformation and fracture of metal/metal and metal/ceramic interfaces. Dr. Dodaran also proposed several numerical algorithms for calculating intrinsic material properties in alloys while accounting for temperature and chemical disorder effects.

CREDENTIALS & PROFESSIONAL HONORS

  • Ph.D., Mechanical Engineering, Auburn University, 2021
  • M.S., Naval Architecture, Tehran Polytechnic University, 2013
  • B.S., Naval Architecture, Tehran Polytechnic University, 2009

LANGUAGES

  • Farsi
  • Azeri-Turkish

Publications

M.S. Dodaran, S.M. Guo, M.M. Khonsari, N. Shamsaei, S. Shao, “A Theoretical Calculation of Stacking Fault Energy of Ni Alloys: The Effects of Temperature and Composition”, Computational Materials Science, 191 (2021) 110326.

B. Zhang*, M.S. Dodaran*, S. Shao, J. Choi, S. Park, W.J. Meng, “Understanding of plasticity size-effect governed mechanical response and incomplete die filling in a microscale double-punch molding configuration”, International Journal of Mechanical Sciences, 172 (2020) 105406 (*equal contribution).

M.S. Dodaran, J. Wang, N. Shamsaei, S. Shao, “Investigating the Interaction between Persistent Slip Bands and Surface Hard Coatings via Crystal Plasticity Simulations”, Crystals, 10 (2020) 1012. (Invited)

M.S. Dodaran, A.H. Ettefagh, S.M. Guo, M.M. Khonsari, W.J. Meng, N. Shamsaei, S. Shao, “Effect of alloying elements on the γ’ antiphase boundary energy in Ni-base superalloys”, Intermetallics, 117 (2020) 106670.

M.S. Dodaran, M.M. Khonsari, S. Shao, “Critical operating stress of persistent slip bands in Cu”, Computational Materials Science, 165 (2019) 114–120.

M.S. Dodaran, J. Wang, Y. Chen, W.J. Meng, S. Shao, “Energetic, structural and mechanical properties of terraced interfaces”, Acta Materialia, 171 (2019) 92–107.

B. Zhang, M.S. Dodaran, S. Ahmed, S. Shao, W.J. Meng, K.J. Juul, K.L. Nielsen, “Grain-size affected mechanical response and deformation behavior in microscale reverse extrusion”, Materialia, 6 (2019) 100272.

Zhang, Bin, M.S. Dodaran, Shao, S., and Meng, W. J. "Mechanical Response and Incomplete Filling in Compression Molding With Microscale Double-Punch Sets." Proceedings of the ASME 2019 International Mechanical Engineering Congress and Exposition. Volume 2A: Advanced Manufacturing. Salt Lake City, Utah, USA. November 11–14, 2019. V02AT02A041. ASME.

X. Zhang, Y. Mu, M.S. Dodaran, S. Shao, D. Moldovan, W.J. Meng, “Mechanical failure of CrN/Cu/CrN interfacial regions under tensile loading”, Acta Materialia, 160 (2018) 1–13.

Presentations

M.S. Dodaran, A.H. Ettefagh, S. Guo, M.M. Khonsari, W.J. Meng, N. Shamsaei, S. Shao, “Numerical Calculation of Antiphase Boundary Energy of Ni-superalloys”, TMS Annual Meeting & Exhibition (2020).

Bin Zhang*, M.S. Dodaran*, Shuai Shao, Junseo Choi, Sunggook Park, “Understanding of plasticity size-effect governed mechanical response and incomplete die filling in a microscale double-punch molding configuration”, TMS Annual Meeting & Exhibition (2020). (*equal contribution)

Xiaoman Zhang, Yang Mu, M.S. Dodaran, Shuai Shao, Dorel Moldovan, W.J. Meng, “Effect of Imperfections on the Energetic and Mechanical Characteristics of Semi-coherent Interfaces” TMS Annual Meeting & Exhibition (2019).

Prior Experience

Structural Engineer, SADRA-DOT, 2011-2014

Marine Surveyor, ICS, 2009-2010

Professional Affiliations

American Society of Mechanical Engineers (ASME)

The Minerals, Metals & Materials Society (TMS)

Integrated Computational Materials Engineering (ICME) Committee

American Welding Society (AWS)

Additional Information

Peer Reviewer

Computational Material Science

Nanotechnology

CREDENTIALS & PROFESSIONAL HONORS

  • Ph.D., Mechanical Engineering, Auburn University, 2021
  • M.S., Naval Architecture, Tehran Polytechnic University, 2013
  • B.S., Naval Architecture, Tehran Polytechnic University, 2009

LANGUAGES

  • Farsi
  • Azeri-Turkish