Email: aslan.ahadi@piais.ir; aslan25253@gmail.com; aap@connect.ust.hk
Work experience
National Elite’s foundation of IRAN, Tehran University, Department of Materials Science and Engineering, Advanced Phase Transformation Laboratory, Tehran, IRAN. March 2020 to March 2021
Lecturer and researcher at the Department of Mechanical and Industrial Engineering, Norwegian University of Science and Technology (NTNU), Trondheim, Norway. Aug. 2018 to Dec. 2019
Post-doctoral fellow, International Center for Young Scientists (ICYS), National Institute for Materials Science (NIMS), Tsukuba, Ibaraki, Japan. Oct. 2015 to Aug. 2018.
Education
The Hong Kong University of Science and Technology, Hong Kong. 2011-2015
Ph.D. in Mechanical Engineering (Mechanics of materials).
Overall GPA: 3.715
Sharif University of Technology, Tehran, Iran. 2007-2009
M.Sc. in Materials Science and Engineering.
Overall GPA: 3.54
Azad University (Karaj Branch), Karaj, Iran. 2003-2007
B.Sc. in Materials Science and Engineering.
Overall GPA: 3.32
Main Research Interests
Nano-structured Materials, Nano-mechanics, X-ray and Neutron diffraction, Solid-state phase transformations, Shape memory alloys, Elastocaloric materials, Thermal expansion and Elinvar alloys, Fracture and fatigue.
Teaching Experiences
1. MM8404 - Current Views in Multi-scale Fracture and Plasticity for PhD students. Norwegian University of Science and Technology. Spring 2019 semester.
2. TMM4140 - Mechanics of Materials for M.Sc students. Norwegian University of Science and Technology. Spring 2019 semester.
3. Teaching Assistant (Hong Kong University of Science and Technology), Hong Kong, 2012– 2013, Mechanics of Materials.
4. Teaching Assistant (Hong Kong University of Science and Technology), Hong Kong, 2012– 2013, Phase Transitions in solids.
5. Teaching Assistant (Hong Kong University of Science and Technology), Hong Kong, 2013 – 2014, Laboratory of Mechanical Properties.
6. Azad University (Saveh Branch) –Part time lecturer (4 semesters); Saveh, Iran 2009 – 2011, Welding laboratory (3 semesters)-Principles of welding and applications (1 semester)-Casting principles and solidification (1 semester).
Journal publications
1. A. Ahadi et al. “Bulk NiTiCuCo shape memory alloys with ultra-high thermal and superelastic cyclic stability”. Scripta Materialia Vol. 200, 2021, pp. 113899.
2. A. Ahadi, R. Khaledialidusti, T. Kawasaki, S. Harjo, and K. Tsuchiya. “Neutron diffraction study of temperature-dependent elasticity of B19′ NiTi---elastic softening and Elinvar effect”. Acta Materialia Vol. 173, 2019, pp. 281-291.
3. A. Ahadi, T. Kawasaki, S. Harjo, K. Won-Seok and K. Tsuchiya. “Reversible elastocaloric effect at ultra-low temperatures in nanocrystalline shape memory alloys”. Acta Materialia Vol. 165, 2019, pp. 109-117.
4. W. LePage, A. Ahadi, W. C. Lenthe, Q.P. Sun, T.M. Pollock, J. Shaw, S. H. Daly. “Fatigue crack growth in Nanocrystalline NiTi”. Journal of Materials Research Vol. 33, 2018, pp. 91-107.
5. A. Ahadi, A. Kalidindi, J. Sakurai, Y. Matsushita, K. Tsuchiya, Christopher A. Schuh. “The role of W on the thermal stability of nanocrystalline NiTiWx thin films”. Acta Materialia Vol. 142, 2018, pp. 181-192.
6. A. Ahadi, Y. Matsushita, T. Sawaguchi, Q.P. Sun and K. Tsuchiya. “Origin of zero and negative thermal expansion in severely-deformed superelastic NiTi alloy”. Acta Materialia Vol. 127, 2017, pp. 79-92.
7. V. Torra, F. Martorell, Q.P. Sun, A. Ahadi, F.C. Lovey and M. Sade. “Metastable effects on martensitic transformation in SMAs. Part X: an approach to thermodynamic changes induced for the S-shaped cycles in thick wires of NiTi”. Journal of Thermal Analysis and Calorimetry Vol. 128, 2017, pp. 259-270.
8. M. Speirs, X. Wang, S. Van Baelen, A. Ahadi, S. Dadbakhsh, J.P. Kruth, J. Van Humbeeck. “On the transformation behavior of NiTi shape memory alloy produced by SLM”. Shape memory and superelasticity Vol. 2, 2016, pp. 310-316.
9. A. Ahadi and Q.P. Sun. “Grain size dependence of fracture toughness and crack growth resistance of superelastic NiTi”. Scripta Materialia Vol. 113, 2016, pp. 171-175.
10. A. Ahadi and Q.P. Sun. “Stress-induced nanoscale phase transition in superelastic NiTi by in-situ X-ray diffraction”. Acta Materialia Vol. 90, 2015, pp. 272-281.
11. Q.P. Sun, A. Ahadi, L. Ming Peng, C. Ming Zhing. “Effects of grain size on phase transition behavior of nanocrystalline shape memory alloys”. Science China Technological Sciences Vol. 57, 2014 pp. 1-9.
12. A. Ahadi and Q.P. Sun. “Effects of grain size on the rate-dependent thermomechanical responses of nanostructured superelastic NiTi”. Acta Materialia Vol. 76, 2014, pp. 186-197.
13. A. Ahadi and Q.P. Sun. “Stress hysteresis and temperature dependence of phase transition stress in nanostructured NiTi—Effects of grain size’’. Applied Physics Letters 103 2013, (2), pp. 021902-5.
14. A. Ahadi and E. Rezaei. “Microstructure and phase transformation behavior of a stress-assisted heat treated Ti-rich NiTi shape memory alloy''. Journal of materials engineering and performance Vol. 21, 2012, 1806-1812.
15. A. Ahadi, A. Karimi Taheri, E. Rezaie. “Effect of hot rolling on microstructure and transformation cycling behavior of equi-atomic NiTi shape memory alloy’’. Materials Science and Technology Vol. 28, 2012, pp. 727-732.
16. A. Ahadi, A. Karimi Taheri, K. Karimi Taheri, I.S. Sarraf, S.M. Abbasi. “The effect of deformation heating on the restoration and constitutive equation of NiTi shape memory alloy’’. Journal of materials engineering and performance 21, 2012, pp. 516-523.
Invited and Plenary Talks
1- (Plenary) International Workshop on Advances in Shape Memory Materials, Nagoya, Japan, March 27-28, 2017.
2- Discussion leader, Gordon Research Conference, Hong Kong, 2020.
3- Chair and discussion leader, Gordon Research Conference, Hong Kong, May 2022.
International Conferences
1. A. Ahadi and Q.P. Sun. IUTAM Aug. 2012, Hong Kong University of Science and Technology. “Grain size, stress hysteresis and domain pattern in superelastic NiTi”, Oral presentation.
2. A. Ahadi and Q.P. Sun. Gordon Research Conference Aug. 2013, Hong Kong University of Science and Technology. “Nanoscale interfaces and thermomechanical behavior of nanostructured NiTi---Grain size effect”, Poster presentation.
3. A. Ahadi and Q.P. Sun. Gordon Research Conference July 2014, Chinese University of Hong Kong. “Effects of Grain size on the heat sources and rate sensitivity of stress-strain response in nanocrystalline superelastic NiTi”, Poster presentation.
4. A. Ahadi and Q.P. Sun. Materials Research Society June-July 2015, Suntec convention center-Singapore. “Mechanism of Stress-Induced Nano-Scale Martensitic Phase Transition in NiTi Studied by in-Situ X-ray Diffraction”, Oral presentation.
5. A. Ahadi and Q.P. Sun. Gordon Research Conference July 2015, The Hong Kong University of Science and Technology. “Nanoscale phase transition in superelastic NiTi by in-situ X-ray diffraction--grain size effects”, Poster presentation.
6. A. Ahadi and Q.P. Sun. Gordon Research Conference July 2015, The Hong Kong University of Science and Technology, “Fracture toughness and crack growth resistance of superelastic NiTi--grain size effects”, Poster presentation.
7. A. Ahadi, K. Tsuchiya, and Q.P. Sun. Japanese Institute of Metals, March 2016, Tokyo University of Science, “Thermal expansion anisotropy in nanostructured superelastic NiTi”, Oral presentation.
8. A. Ahadi, Y. Matsushita, Q.P. Sun and K. Tsuchiya, Gordon Research Conference July 2016, Chinese University of Hong Kong. “Superelastic NiTi as a thermal expansion material”, Poster presentation.
9. A. Ahadi and Koichi Tsuchiya, ICYS workshop, National Institute for Materials Science, Tsukuba, Ibaraki, Japan. “Origin of zero and negative thermal expansion in severely-deformed NiTi”, Oral presentation.
10. A. Ahadi and Koichi Tsuchiya, ICOMAT July 9-14, Northwestern University, USA. “Negative and Zero thermal expansion in severely-deformed superelastic NiTi”, Oral presentation.
11. A. Ahadi, A. R. Khalidndi, K. Tsuchiya, and Christopher A. Schuh, Gordon Research Conference July 2016, The Hong Kong University of Science and Technology, “Thermal stability of W-containing thin films”, Poster presentation.
Funded Research Programs and Proposals
1. Co-Investigator (Principal Investigator professor QingPing Sun, HKUST)– Negative and zero thermal expansion NiTi alloy by microstructure engineering, Hong Kong Grant Research Council (GRC), total funding 582,000 HK$ (2018.1.1-2020.12.31, Project No. 16209817), Score 4.5/5.
2. Principal Investigator: 2,000,000 Yen ($20,000) – CAREER: Tailorable thermal expansion in severely-deformed superelastic NiTi. ICYS, National Institute for Materials Science, 2015-2016.
3. Principal Investigator: 2,000,000 Yen ($20,000) – CAREER: Grain boundary segregation in NiTiW studied via in-situ Cs-corrected TEM. ICYS, National Institute for Materials Science, 2016-2017.
4. Principal Investigator: 2,000,000 Yen ($20,000) – CAREER: Elastocaloric effect at cryogenic temperatures. ICYS, National Institute for Materials Science, 2017-2018.
5. Principal Investigator: Japan Proton Accelerator Research Complex (J-PARC): Mechanism of tailored thermal expansion alloys in shape memory alloys. Allowed beam-time 4 days and 12 hours. Proposal number: 2017A0258.
6. Principal Investigator: Japan Proton Accelerator Research Complex (J-PARC): Origin of low temperature elastocaloric effect in nanocrystalline shape memory alloys. Allowed beam-time 3 days. Proposal number: 2017B0242.
7. Principal Investigator: Japan Proton Accelerator Research Complex (J-PARC): Low temperature elasticity of B19’ martensite. Allowed beam-time 5 days. Proposal number: 2018B0042
Reviewer
1. Applied Physics Letters
2. Acta Materialia
3. Scripta Materialia
4. Materials Science and Engineering A
5. Materials and Design
6. Mechanics of Materials
7. Journal of Materials Engineering and Performance
8. Materials Letters
9. Thin Solid Films
10. Int. Journal of Refractory Metals and Hard Mater
11. Journal of intelligent and smart structures
12. Computational Materials Science
Student Supervision
1. GanKefu (M.Sc. student), currently Ph.D. student at Hong Kong University.
2. Zhou Mingzhao (M.Phil. student), currently Ph.D. student at TU Delft.
3. Qiao Li, PhD student, The Hong Kong University of Science and Technology (Tailored thermal expansion by martensite re-orientation)
Webpages
http://scholar.google.com/citations?user=oaFe9NoAAAAJ&hl=en
http://samurai.nims.go.jp/AHADI_Aslan-e.html
https://www.researchgate.net/profile/Aslan_Ahadi?ev=hdr_xprf&_sg=OKS9FERK8JOQE1EJnE66QZ_9Huujw6_CxwaxXVQZS_tj_uI1FhdXWtzmPg7a6aim
