Abstract
After hot rolling and multipass cold rolling experiment, the hot rolled sheet and the sheets with reduction ratios of 20% and 40% of 301L stainless steel were obtained. The effect of cold rolling reduction ratio on microstructure of 301L stainless steel was investigated by metallographic analysis, XRD analysis and TEM analysis. The research shows that carbides precipitate along the austenite phase interface in the hot rolled specimen. Crystalline grains are refined by cold rolling: their average grain size decreases from 91.9 to 17.3 nm as the reduction ratio increases, which is accompanied by the blocking of dislocations.
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Funding
This work was supported by Chun Hui Project of the PRC Ministry of Education (Award Number Z2016126), Sichuan Province Foundation for Returnes and the Open Research Fund of Xihua University Key Laboratory of Green Building (Award Number szjj2016-055).
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Russian Text © The Author(s), 2020, published in Fizicheskaya Mezomekhanika, 2020, Vol. 23, No. 4, pp. 27–30.
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Li, J.X., Luan, D.C., Li, Y. et al. Effect of Deformation on Microstructure of 301L Stainless Steel. Phys Mesomech 24, 61–64 (2021). https://doi.org/10.1134/S1029959921010094
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DOI: https://doi.org/10.1134/S1029959921010094