Effects of cold rolling on the microstructure and mechanical properties of Fe-Ni-Mn-Mo-Ti-Cr maraging steels

Abbas Mahmudi; Syamak Hossein Nedjad; Mir Masud Jabbari Behnam

doi:10.1007/s12613-011-0477-y

Volume 18 Issue 5

Oct. 2011

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International Journal of Minerals, Metallurgy and Materials > 2011 > 18(5): 557-561. > DOI: 10.1007/s12613-011-0477-y

Abbas Mahmudi, Syamak Hossein Nedjad, and Mir Masud Jabbari Behnam, Effects of cold rolling on the microstructure and mechanical properties of Fe-Ni-Mn-Mo-Ti-Cr maraging steels, Int. J. Miner. Metall. Mater., 18(2011), No. 5, pp.557-561. https://doi.org/10.1007/s12613-011-0477-y

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Effects of cold rolling on the microstructure and mechanical properties of Fe-Ni-Mn-Mo-Ti-Cr maraging steels

Author Affilications

Young Researchers Club, Islamic Azad University (Ahar Branch), 54516, Ahar, Tabriz, Iran
Faculty of Materials Engineering, Sahand University of Technology, Tabriz, 51335-1996, Iran
Department of Materials Science and Engineering, Sharif University of Technology, Tehran, 11365, Iran

Received: 04 August 2010; Revised: 26 September 2010; Accepted: 09 October 2010; Available Online: 13 June 2021

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Abstract

Effects of cold rolling on the microstructure and mechanical properties of Fe-Ni-Mn-Mo-Ti-Cr maraging steels were studied. To investigate the microstructure and mechanical properties, optical microscopy, scanning electron microscopy, X-ray diffraction, tensile test, and hardness test were used. The results show that the solution-annealing treatment in the cold-rolled steel redounds to the formation of submicrocrystalline Fe₂(Mo, Ti) Laves phase particles, which are stable at high temperatures. These secondary Laves phase particles prevent from recrystallization at high temperatures and correspond to semi-brittle fracture in the subsequent aging treatment.
- maraging steel,
- cold rolling,
- age hardening,
- Laves-phase,
- microstructure,
- mechanical properties

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