Logo: University of Southern California

Reza Rokni

Reza Rokni
Postdoctoral Fellow - Research Associate

Department of Chemical Engineering and Materials Science
3651 Watt Way,
VHE-410
University of Southern California
Los Angeles, CA 90089
Email: rokni@usc.edu

Education
+ Ph.D. in Materials Science, South Dakota School of Mines& Tech, SD, USA (2011-2015) 
Dissertation: Microstructure vs. mechanical properties for different Al alloys deposited by Cold Spray process
+ M.S. in Materials Science, University of Tehran, Tehran, Iran (2008-2011) 
Thesis: Microstructure vs. mechanical properties for different Al alloys deformed by back extrusion process

Research Interests
+ Lightweight materials and structures
+ Processing-microstructure-properties-performance relationships in metallic and composites materials
+ Ultrafine-grained and nano-structured materials
+ Fundamental physics in severely plastic deformed metallic alloys


Positions

+ 2015– Present: Postdoctoral Fellow-Research Associate, M.C. Gill Center for Composites, Mork Family Department of Chemical  Engineering and Materials Science, University of Southern California (Los Angeles, CA, United States)
+ 2011 – 2015: Research Assistant-Advanced Materials Processing Lab (AMP), South Dakota School of Mines & Tech, SD, USA

Awards & Honors

+ Awardee, Best presentation of the young professionals of the ITSC 2015 conference 2015
+ Awardee, Mines National Gold Medal and Fellowship 2014
+ Awardee, 2nd place, SDSMT 2014 Outstanding Graduate Student 2014
+ Awardee, 2nd place, Best Oral Presentation, 2014 SDSMT Research Symposium 2014
+ Reviewer of six different ISI journals (has reviewed 8 papers so far) since 2014
+
President, International Students Inc.(non-profitable organization) 2013-2014
+ Member, Food Bank Community Service Society( 3 projects) 2014


Reviewed Journal Publications

+ M.R. Rokni, C.A. WIdener, V.R. Champagne, Microstructure and mechanical properties of cold sprayed 7075 deposition during non-isothermal annealing, Surf. Coat. Technol. 276(2015) 305-315.
+ M.R. Rokni, C.A. Widener, G.A. Crawford, M.K. West, An investigation into microstructure and mechanical properties of cold spraryed 7075 Al deposition, Mater. Sci. Eng. A 625(2015) 19-27.
+ M.R. Rokni, C.A. Widener, A.T. Nardi, V.K. Champagne, Nano crystalline high energy milled 5083 Al powder deposited using cold spray, App. Surf Sci. 305(2014) 797-804.
+ M.R. Rokni, C.A. Widener, G.A. Crawford, Microstructural evolution of 7075 Al gas atomized powder and high-pressure cold-sprayed deposition, Surf. Coat. Technol. 251(2014) 254-263.
+ M.R. Rokni, C.A. Widener, V.R. Champagne, Microstructural evolution of 6061 Aluminum Gas Atomized Powder and High-Pressure Cold-Sprayed Deposition, J. Therm. Technol. 23(2014)514-524.
+ M.R. Rokni, C.A. Widener, V.R. Champagne, Microstructural stability of ultrafine-grained cold sprayed 6061 aluminum alloy, Appl. Surf. Sci. 290(2013)482-489.
+ M.R. Rokni, C.A. Widener, S. Ahrenkiel, B. Jasthi, V.R. Champagne, Annealing behavior of 6061 aluminum deposited by high pressure cold spray, Surf. Eng. 30(2014) 361-367.
+ M.R. Rokni, C.A. Widener, A. Hankazi, P. Changizian, The Strain-compensated constitutive Equation for High Temperature Flow Behavior of an Al-Zn-Mg-Cu Alloy, J. Mater. Eng. Perform. 12(2014)11-19.
+ M.R. Rokni, A. Zarei-Hanzaki, H. Abedi, Microstructure evolution and mechanical properties of back extruded 7075 aluminum alloy at elevated temperatures, Mater. Sci. Eng. A 532(2012) 593-600.
+ M.R. Rokni, A. Zarei-Hanzaki, H. Abedi, Microstructure evolution and mechanical properties of backward thixoetruded 7075 aluminum alloy, Mater. Des. 36(2012) 557-563.
+ M.R. Rokni, A. Zarei-Hanzaki, Ali A. Roostaei, H. Abedi, An investigation into the hot deformation characteristics of 7075 aluminum alloy, Mater. Des. 32(2011)2339-2344.
+M.R. Rokni, A. Zarei-Hanzaki, H. Abedi, A. Abolhasani, Constitutive base analysis of a 7075 aluminum alloy during hot compression testing, Mate. Des. 32(2011) 4955-4960.
+ Ali A. Roostaei, A. Zarei-Hanzaki, H.R. Abedi, M.R. Rokni, An investigation into the mechanical behavior and microstructural evolution of the ARB AZ31 Mg alloy upon annealing, Mater. Des. 32(2011) 2963-2968.
+ A. Abolhasani, A. Zarei-Hanzaki, H. Abedi, M.R. Rokni, The room temperature mechanical properties of hot rolled 7075aluminum alloy, Mater. Des. 34(2012) 631-636.
+ V.K. Champagne III, M.K. West, M.R. Rokni, T. Curtis, V.R. Champagne, B. McNally, Joining of Cast ZE41A Mg to Wrought 6061 Al by the Cold Spray Process and Friction Stir Welding, J. Therm. Technol. 21(2015)32-39.

 

Conference Papers& Presentations& Posters
+ M.R. Rokni, C.A. Widener, G.A. Crawford, M.K. West, V.K. Champagne, M. Crater, Microstructure and Properties of 6061 and 7075 Aluminum Alloys Deposited by High-Pressure Cold Spray, ITSC Conference, May 2015( Oral Presentation and paper).
+ M.R. Rokni, C.A. Widener, G.A. Crawford, V.K. Champagne, The effects of post cold spray heat treatments on microstructure & Mechanical properties of 7075 Al depositions, ITSC Young Professionals section, May 2015( Oral Presentation and paper)
+ M.R. Rokni, C.A. Widener, G.A. Crawford, Microstructure evolution of 7075 aluminum gas atomized powder during cold spray processing, CSAT Conference, June 2014. (Oral Presentation).
+ M.R. Rokni, C.A. Widener, G.A. Crawford, Microstructure and mechanical properties of 7075 Aluminum gas atomized powder and deposit, Research Symposium, May 2014( Oral presentation).
+ M.R. Rokni, C.A. Widener, A.T. Nardi, V.R. Champagne, Cold Spray Processing of Nanocrystalline AA5083 Al Powder, TMS conference, Feb 2014. (Poster Presentation).
+ M.R. Rokni, C.A. Widener, V.R. Champagne, In-Sity Hot-Stage TEM Analysis of High pressure Cold Sprayed 6061 Aluminum Powser, TMS conference, Feb 2014.( Poster presentation).
+ M.R. Rokni, C.A. Widener, In-Situ Hot-Stage TEM Analysis of High pressure Cold Sprayed 6061 Aluminum Alloy Powder, CSAT Conference, July 2013. (Oral presentation).