Research Interests:
1. Welding & Joining -Additive Manufacturing- Failure Analysis and Prevention
2. Advanced Materials
3. Phenomenological and Mechanistic Studies
Teaching Experiences:
1. Welding Metallurgy
2. Welding & Joining Technologies
3. Advanced Manufacturing Processes (Additive Manufacturing)
4. Failure Analysis and Prevention
5. Physical Metallurgy
6. The Science of Materials
7. Strengthening Mechanisms
8. Nanoscale and Advanced Materials
9. Research Methodology and Scientific Communication Skills
Publications
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Parsa Pishva, Sajad Salimi Beni, Masoud Atapour, Mohammad Reza Salmani, Rouholah Ashiri, Study of Corrosion Behavior in Resistance Spot Welds of Thin Sheets of Zinc-Coated Interstitial-Free Steel, Journal of Materials Engineering and Performance 30(2021)1723–1736. |
Jae Won Kim, S. P. Murugan, Ji-Hong Yoo, R. Ashiri & Yeong-Do Park, Enhancing nugget size and weldable current range of ultra-high-strength steel using multi-pulse resistance spot welding, Science and Technology of Welding and Joining 25 (2020) 235-242. |
Iman Hajiannia, Morteza Shamanian, Masoud Atapour, Rouholah Ashiri, Evaluation of Weldability and Mechanical Properties in Resistance Spot Welding of Ultra High Strength TRIP1100 Steel, SAE International Journal of Materials and Manufacturing 12 (2019) 5-17. |
Hossein Shafyei, Rouholah Ashiri, Electron beam assisted physical vapor deposition of very hard TiCN coating with nanoscale characters, Ceramics International 45 (2019) 14821–14828. |
Sajad Salimi Beni, Masoud Atapour, Mohammad Reza Salmani, Rouholah Ashiri, Resistance spot welding metallurgy of thin sheets of zinc coated interstitial-free steel, Metallurgical and Materials Transactions A 50 (2019) 2218-2234. |
I. Hajiannia, M. Shamanian, M. Atapour, R. Ashiri, E. Ghassemali, The Assessment of Second Pulse Effects on the Microstructure and Fracture Behavior of the Resistance Spot Welding in Advanced Ultrahigh-Strength Steel TRIP1100, Iranian Journal of Materials Science & Engineering 16 (2019) 79-88. |
Rouholah Ashiri, S.P.H. Marashi, Yeong-Do Park, Weld-processing and mechanical responses of 1GPa TRIP steel resistance spot welds, Welding Journal 97 (May 2018) 157–169. |
Abdolmajid Moghtada, Rouholah Ashiri, Superiority of sonochemical processing method for the synthesis of barium titanate nanocrystals in contrast to the mechanochemical approach, Ultrasonics Sonochemistry 41 (2018)– 127-133. |
Rouholah Ashiri, H. Mostaan, Y. D. Park, A Phenomenological Study of Weld Discontinuities and Defects in Resistance Spot Welding of Advanced High Strength TRIP Steel, Metallurgical and Materials Transactions A 49 (2018) 6161-6172. |
Iman Hajiannia, Morteza Shamanian, Masoud Atapour, Ehsan Ghassemali, Rouholah Ashiri, A microstructure evaluation of different areas of resistance spot welding on ultra-high strength TRIP1100 steel, Cogent Engineering 5 (2018) 1512939. |
Abdolmajid Moghtad, Ali Heidary Moghadam, Rouholah Ashiri, Tetragonality enhancement in BaTiO3 by mechanical activation of the starting BaCO3 and TiO2 powders: Characterization of the contribution of the mechanical activation and post-milling calcination phenomena, International Journal of Applied Ceramic Technology 15 (2018) 1518-1531. |
Md. R. U. Ahsan, Muralimoan Cheepu, Rouholah Ashiri, Tae-Hoon Kim, Chanyoung Jeong, Y. D. Park, Mecanisms of weld pool flow and slag formation location in cold metal transfer (CMT) gas metal arc welding (GMAW), Welding in the World 61 (2017)1275–1285. |
Abdolmajid Moghtada, Ali Shahrouzianfar, Rouholah Ashiri, Facile synthesis of NiTiO3 yellow nano-pigments with enhanced solar radiation reflection efficiency by an innovative one-step method at low temperature, Dyes and Pigments 139 (2017) 388-396. |
Abdolmajid Moghtad, Ali Shahrouzianfar, Rouholah Ashiri, Low temperature ultrasound synthesis of nanocrystals CoTiO3 without a calcination step: Effect of ultrasonic waves on formation of the crystal growth mechanism, Advanced Powder Technology, 28 (2017) 1109-1117. |
Md. R. U. Ahsan, Y. R. Kim, C. H. Kim, J. W. Kim, Rouholah Ashiri, Y. D. Park, Porosity formation mechanisms in cold metal transfer (CMT) gas metal arc welding (GMAW) of zinc coated steels, Science and Technology of Welding and Joining 21 (2016) 209-215. |
Md. R. U. Ahsan, Y. R. Kim, Rouholah Ashiri, Y. J. Cho, C. Jeong & Y. D. Park, Cold Metal Transfer (CMT) GMAW of Zinc-Coated Steel, Welding Journal 95 (April 2016) 120–13. |
M.R. Loghman-Estarki, R. ShojaRazavi, H.Jamali, R.Ashiri, Effect of scandia content on the thermal shock behavior of SYSZ thermal sprayed barrier coatings, Ceramics International 42 (2016)11118-11125. |
C. H. Muralimohan, M. Ashfaq, Rouholah Ashiri, V. Muthupandi, K. Sivaprasad, Analysis and Characterization of the Role of Ni Interlayer in the Friction Welding of Titanium and 304 Austenitic Stainless Steel, Metallurgical and Materials Transactions A 47 (2016) 347-359. |
Abdolmajid Moghtada, Rouholah Ashiri, Enhancing the formation of tetragonal phase in perovskite nanocrystals using an ultrasound assisted wet chemical method, Ultrasonics Sonochemistry 33 (2016) 141–149. |
Rouholah Ashiri, Morteza Shamanian, Hamid Reza Salimijazi, Md Anwarul Haque, Jin-Hee Bae, Chang-Wook Ji, Kwang-Geun Chin, Yeong-Do Park, Liquid metal embrittlement-free welds of Zn-coated twinning induced plasticity steels, Scripta Materialia 114 (2016) 41–47. |
Rouholah Ashiri, On the solid-state formation of BaTiO3 nanocrystals from mechanically activated BaCO3 and TiO2 powders: innovative mechanochemical processing, the mechanism involved, and phase and nanostructure evolutions, RSC Advances 6 (2016) 17138-17150. |
Rouholah Ashiri, Obtaining a novel crystalline/amorphous core/shell structure in barium titanate nanocrystals by an innovative one-step approach, RSC Advances 5 (2015) 48281–48289. |
Rouholah Ashiri, Abdolmajid Moghtada, Ali Shahrouzianfar, Processing and Characterization of Carbonate-Free BaTiO3 Nanoscale Particles Obtained by a Rapid Ultrasound-Assisted Wet Chemical Approach, Metallurgical and Materials Transactions B 46 (2015) 1472-1483. |
A. Heidary Moghadam, V. Dashtizad, A. Kaflou, H. Yoozbashizadeh, R. Ashiri, Development of a nanostructured Zr3Co intermetallic getter powder with enhanced pumping characteristics, Intermetallics 57 (2015) 51-59. |
Rouholah Ashiri, Md Anwarul Haque, Chang-Wook Ji, Morteza shamanian, Hamid Reza Salimijazi, Yeong-Do Park, Supercritical area and critical nugget diameter for liquid metal embrittlement of Zn-coated twinning induced plasticity steels, Scripta Materialia 109 (2015) 6–10. |
Rouholah Ashiri, Ali Heidary Moghadam, Reza Ajami, Obtaining the highly pure barium titanate nanocrystals by a new approach, Journal of Alloys and Compounds 648 (2015) 265-268. |
Ali Modabberasl, Parviz Kameli, Mehdi Ranjbar, Hadi Salamati, Rouholah Ashiri, Fabrication of DLC thin films with improved diamond-like carbon character by the application of external magnetic field, Carbon 94 (2015) 485–493. |
Abdolmajid Moghtada, Rouholah Ashiri, Nanocrystals of XTiO3 (X = Ba, Sr, Ni, BaxTi1-x) materials obtained through a rapid one-step methodology at 50 °C, Ultrasonics Sonochemistry 26 (2015) 293–304. |
Rouholah Ashiri, Reza Ajami, Abdolmajid Moghtada, Sonochemical Synthesis of SrTiO3 Nanocrystals at Low Temperature, International Journal of Applied Ceramic Technology 12 (2015) 202–206. |
H. Kalhori, A. Irajizad, A. Azarian, R. Ashiri, Synthesis and Characterization of Electrochemically Grown CdSe Nanowires with Enhanced Photoconductivity, Journal of Materials Science: Materials in Electronics 26 (2015) 1395–1402. |
Fatemeh Davar, Mohammad Reza Loghman-Estarki, Rouholah Ashiri, From inorganic/organic nanocomposite based on chemically hybridized CdS–TGA to pure CdS nanoparticles, Journal of Industrial and Engineering Chemistry 21 (2015) 965-970. |
Rouholah Ashiri, A new sol–gel processing routine without chelating agents for preparing highly transparent solutions and nanothin films: engineering the role of chemistry to design the process, Philosophical Magazine 95 (2015) 1-11. |
R. Ashiri, A. Nemati, M. Sasani Ghamsari, Crack-free nanostructured BaTiO3 thin films prepared by sol–gel dip-coating technique, Ceramics International 40 (2014) 8613-8619 |
R. Ashiri, F. Karimzadeh, B. Niroumand, On the effect of squeezing pressure on microstructural characteristics, heat treatment responseand electrical conductivityof an Al-Si-Mg-Ni-Cu alloy, Materials Science and Technology (United Kingdom), 30 (2014) 1162–1169. |
R. Ashiri, B. Niroumand, F. Karimzadeh, Physical, mechanical and dry sliding wear properties of an Al-Si-Mg-Ni-Cu alloy under different processing conditions, Journal of Alloys and Compounds, 582 (2014) 213–222. |
Rouholah Ashiri, Abdolmajid Moghtada, Carbonate-Free Strontium Titanium Oxide Nanosized Crystals with Tailored Morphology: Facile Synthesis, Characterization, and Formation Mechanism, Metallurgical and Materials Transactions B 45 (2014) 1979-1986. |
Rouholah Ashiri, Development and investigation of novel nanoparticles embedded solutions with enhanced optical transparency, Journal of Materials Research (Cambridge University Press) 29 (2014) 2949- 2956. |
Rouholah Ashiri, Analysis and characterization of relationships between the processing and optical responses of amorphous BaTiO3 nanothin films obtained by an improved wet chemical process, Metallurgical and Materials Transactions B 45 (2014) 1472-1483. |
Rouholah Ashiri, Abdolmajid Moghtada, Ali Shahrouzianfar, Reza Ajami, Low temperature synthesis of carbonate-free barium titanate nanoscale crystals: Toward a generalized strategy of titanate-based perovskite nanocrystals synthesis, Journal of the American Ceramic Society 97 (2014) 2027–2031. |
Fatemeh Davar, Mohammad Reza Loghman-Estarki, Masoud Salavati–Niasari, Rouholah Ashiri, Synthesis of Volcano-like CdS/Organic Nanocomposite, International Journal of Applied Ceramic Technology 11 (2014) 637–644. |
R. Ashiri, A. Nemati, M. Sasani Ghamsari, M. M. Dastgahi, Nanothickness films, nanostructured films, and nanocrystals of barium titanate obtained directly by a newly developed sol–gel synthesis pathway, Journal of Materials Science: Materials in Electronics 25 (2014) 5345-5355. |
Rouholah Ashiri, Detailed FT-IR spectroscopy characterization and thermal analysis of synthesis of barium titanate nanoscale particles through a newly developed process, Vibrational Spectroscopy 66 (2013) 24–29. |
Rouholah Ashiri, Analysis and Characterization of phase evolution of nano-sized BaTiO3 powder synthesized through a chemically modified sol-gel process, Metallurgical and Materials Transactions A 43 (2012) 4414-4426. |
R. Ashiri, A. Nemati, M. Sasani Ghamsari, S. Sanjabi, M. Aalipour, A Modified Method for Barium Titanate Nanoparticles Synthesis, Materials Research Bulletin 46 (2011) 2291–2295. |
R. Ashiri, A. Nemati, M. Sasani Ghamsari, H. Aadelkhani, Characterization of optical properties of amorphous BaTiO3 nanothin films, Journal of Non-Crystalline Solids 355 (2009) 2480–2484. |
R. Ashiri, B. Niroumand, F. Karimzadeh, M. Hamani, M. Pouranvari, Effect of casting process on microstructure and tribological behavior of LM13 alloy, Journal of Alloys and Compounds 475 (2009) 321–327. |
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