Iran University of Science & Technology - School of Metallurgy and Materials Engineering

School of Metallurgy and Materials Engineering- Dr. Koohdar

Dr. Hamidreza, Koohdar

Personal Details

NAME: Hamidreza

SURNAME: Koohdar

Year of Birth:

ACCADEMIC STATUS: Assistant Professor, School of Metallurgy & Materials Engineering, Iran University of Science and Technology (IUST)

Fields of Research Interests: Physical properties of materials, Phase transformation in metals and alloys, Shape memory alloys, Advanced and nano-structured materials, Severe plastic deformation

Contact Address

School of Metallurgy & Materials Engineering

Iran University of Science and Technology (IUST), Narmak, Tehran, Iran

Tel: (9821)73228865

Fax: +9821-77240480

E-mail: hkoohdariust.ac.ir
google scholar: Hamidreza Koohdar

Educational Records

Degree	Major	Year of Graduation	University	Location
B.Sc.	Materials Engineering (Industrial Metallurgy)	2005	Shahid Chamran University, Ahvaz	Iran
M.Sc.	Materials Engineering (Characterization and Selection of Materials)	2007	School of Metallurgy and Materials Engineering, University of Tehran	Iran
Ph.D.	Materials Engineering	2015	School of Metallurgy and Materials Engineering, University of Tehran	Iran
Post-doctoral Research Fellow	Materials Engineering	2018	School of Metallurgy and Materials Engineering, University of Tehran	Iran

Teaching Experiences:
Phase transformations in metals and alloys, Metallography, Statics

Publications (ISI)
Hosseini Mohammadabadi, F. , Masoudpanah, S.M. , Alamolhoda, S. , Koohdar, H.R., " High-performance microwave absorbers based on (CoNiCuZn)_1−xMn_xFe₂O₄ spinel ferrites", Journal of Alloys and Compoundsthis link is disabled, 2022, 909, 164637
Koohdar, H. , Nili-Ahmadabadi, M. , Kalahroudi, F.J. , Jafarian, H.R. , Langdon, T.G., " Effect of post-deformation annealing on the microstructure and mechanical behavior of an Fe–Ni–Mn steel processed by high-pressure torsion", Journal of Materials Research and Technology, 2021, 15, pp. 1537–1546
F. Hosseini Mohammadabadi , S.M. Masoudpanah , S. Alamolhoda , H.R. Koohdar, "Structure, magnetic, microwave absorption properties of (MnNiCu)_0.9-xCU_xZn_0.1Fe₂O₄/graphen composite coating", Journal of Alloys and Compounds, 878, 2021, 160337.
S.M. Masoudpanah , H.R. Koohdar, H.R. Jafarian, A.R. Eivani, "the effects of cold rolling and aging conditions on the microstructure and magnetic properties of a semi-hard Fe-Mo-Ni magnetic alloy", Journal of Materials Resarch and Technology, 12, 2021, 521-529 .
H.R. Koohdar, P. Hakimipour, H.R. Jafarian, T.G. Langdon, M. Nili-Ahmadabadi, " Engineering mechanical properties by controlling the microstructure of an Fe–Ni–Mn martensitic steel through pre-cold rolling and subsequent heat treatment", Materials Science and Engineering A, 804, 2021,140760.
H.R. Koohdar, M. Nili-Ahmadabadi, F.J. Kalahroudi, H.R. Jafarian, T.G. Langdon, "The effect of high-pressure torsion on the microstructure and outstanding pseudoelasticity of a ternary Fe-Ni-Mn shape memory alloy", Materials Science and Engineering: A, 802, 2021,140647.
F.J. Kalahroudi, H.R. Koohdar, T.G. Langdon, M. Nili-Ahmadabadi, "Phase evolution and mechanical properties of an intercritically-annealed Fe–10Ni–7Mn (wt.%) martensitic steel severely deformed by high-pressure torsion", Materials Science and Engineering: A, 804, 2021, 140519.
Javadzadeh Kalahroudi, F., Koohdar, H., Jafarian, H.R., (...), Langdon, T.G., Nili-Ahmadabadi, M., "Corrigendum to “On the microstructure and mechanical properties of an Fe-10Ni-7Mn martensitic steel processed by high-pressure torsion” (Materials Science & Engineering A (2019) 749 (27–34), (S0921509319301637), (10.1016/j.msea.2019.02.002))", Materials Science and Engineering A767,138213, 2019
F. Javadzadeh Kalahroudi, H. R. Koohdar, H. R. Jafarian, Y. Haung, T. G. Langdon, M. Nili-Ahmadabadi, “On the microstructure and mechanical properties of an Fe-10Ni-7Mn martensitic steel processed by high-pressure torsion”, Materials Science and Engineering A, 749 (2019) 27-34.
H. R. Koohdar, M. Nili -Ahmadabadi, M. Habibi-Parsa, H. R. Jafarian, T. Bhattacharjee, N. Tsuji “On the Stability of Reversely Formed Austenite and Related Mechanism of Transformation in an Fe-Ni-Mn Martensitic Steel Aided by Electron Backscattering Diffraction and Atom Probe Tomography”, Metallurgical and Materials Transactions A, 48A (2017) 5244-5257.
M. Nili-Ahmadabadi, H. R. Koohdar, M. Habibi-Parsa, “Cold rolling practice of martensitic steel” in: J. Zhao and Z. Jiang (Eds.), Rolling of Advanced High Strength Steels: Theory, Simulation and Practice”, CRC Press, Taylor & Francis Group, 2017, pp. 450-481.
H. R. Koohdar, M. Nili-Ahmadabadi, M. Habibi-Parsa, H. R. Jafarian, H. Ghasemi-Nanesa, H. Shirazi “Observation of pseudoelasticity in a cold rolled Fe-Ni-Mn martensitic steel”, Materials Science and Engineering A, 658 (2016) 86-90.
H. R. Koohdar, M. Nili-Ahmadabadi, M. Habibi-Parsa, H. R. Jafarian, “Development of pseudoelasticity in Fe-10Ni-7Mn (wt %) high strength martensitic steel by intercritical heat treatment and subsequent ageing”, Materials Science and Engineering A, 621 (2015) 52-60.
H. R. Koohdar, M. Nili-Ahmadabadi, M. Habibi-Parsa, H. Ghasemi-Nanesa, “ Investigating on the reverse transformation of martensite to austenite and Pseudoelastic behavior in Ultrafine-Grained Fe-10Ni-7Mn (wt %) Steel processed by heavy cold rolling”, Advanced Materials Research, 829 (2014) 25-29.
H. Ghasemi-Nanesa, M. Nili-Ahmadabadi, H. R. Koohdar, M. Habibi-Parsa, S. Hossein Nedjad, S. A. Alidokht, Terence G. Langdon, “Strain-induced martensite to austenite reverse transformation in an ultrafine-grained Fe-Ni-Mn martensitic steel”, Philosophical Magazine, 94 (2014) 1493-1507.
R. Dehghan, S. A. Seyyed Ebrahimi, H. R. Koohdar, “Optimization of Dynamic CH₄ Gas Heat treatment of Nanocrystalline Strontioum Hexaferrite”, International Journal of Modern Physics, 5 (2012) 752-759.
H. R. Koohdar, S. A. Seyyed Ebrahimi, A.Yourdkhani, R. Dehghan, F. Zajkaniha, ”Optimization of hydrogen dynamic heat treatment and re-calcination for preparation of strontium hexaferrite nanocrystalline powder”, Journal of Alloys and Compounds, 479 (2009) 638-641.
S. A. Seyyed Ebrahimi, R. Dehghan, H. R. Koohdar, and A. Yourdkhani, “ Conversion of Conventionally Synthesized Strontium Hexaferrite Powder Into a Nano Size Powder With Enhanced Coercivity Using GTMR Method”, IEEE Transactions on Magnetics, 45 (2009) 2601-2604.
A.Yourdkhani, S. A. Seyeed Ebrahimi, H. R. Koohdar, "Preparation of strontium hexaferrite nano-crystalline powder by carbon monoxide heat treatment and re-calcination from conventionally synthesized powder", Journal of Alloys and Compounds, 470 (2008) 561-564.
A.Yourdkhani, S. A. Seyeed Ebrahimi, H. R. Koohdar, “Optimization of Sr-Hexaferrite Dynamic Gaseous Heat Treatment by Carbon Monoxide”, International Journal of Modern Physics B, 22 (2008) 3133-3138.

H. R. Koohdar, M. Nili-Ahmadabadi, M. Habibi-Parsa, H. R. Jafarian, “On the pseudoelastic behaviour in a lath martensitic steel under two discrete processes consist of cold rolling and heat treatment”, the fourth International Conference on Smart Monitoring, Assessment and Rehabilitation of Civil Structures, Zurich, Switzerland, (2017).

F. Javadzadeh Kalahroudi, H. R. Koohdar, H. R. Jafarian, M. Nili-Ahmadabadi, Y. Haung, T. G. Langdon, “Effect of High-Pressure Torsion on the Microstructural Evolution and Mechanical Properties of an Fe-10Ni-Mn (wt. %) Lath Martensitic Steel”, 6th International Conference on Ultrafine-grained and Nanostructured Materials (UFGNSM17), Iran (2017).

H. R. Koohdar, M. Nili-Ahmadabadi, M. Habibi-Parsa, H. R. Jafarian, “EBSD and APT study of the reverse transformation mechanism and pseudoelastic behavior in Fe-9.6Ni-7.1Mn martensitic steel under heat treatment”, XV International Conference on Inter-granular and Inter-phase Boundaries in Materials, Moscow, Russia (2016).

H. R. Koohdar, M. Nili-Ahmadabadi, M. Habibi-Parsa, H. Ghasemi-Nanesa, “Observation of pseudoelastic behavior in ultrafine-grained Fe-10Ni-7Mn (wt %) steel due to reverse martensite transformation”, 3st International Conference on Ultrafine- grained and Nanostructured Materials (UFGNSM11), Iran (2011).

H. R. Koohdar, S. A. Seyyed Ebrahimi, A.Yourdkhani, “Comparision of Strontium Hexaferrite Nanocrystalline Powder Processing by Dynami H2 and CO Heat Treatment and Re-calcination", The 2nd International Solvothermal & Hydrothermal Association Conference, Beijing, China (2010).

H. R. Koohdar, S. A. Seyyed Ebrahimi, A. Yourdkhani, “Preparation of Strontium Hexaferrite Nanocrystalline Powder by Dynamic Hydrogen Heat Treatment and Recalcination”, 2nd International Congress on Nanoscience and Nanotechnology, Faculty of Chemistry, University of Tabriz, Iran (2008).

H.R.Koohdar, S.A.Seyyed Ebrahimi, A.Yourdkhani, “Processing of Strontium Hexaferrite Nanocrystalline Powder by Dynamic Gas Heat Treatment and Re-calcination", Third Seeheim Conference on Magnetism, Frankfurt, Germany (2007).

Written Works

Book's Name	Author's Name	Date
Cold Rolling Practice of Martensitic Steels	M. Nili-Ahmadabadi, H. R. Koohdar, M. Habibi-Parsa	2017

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