Ultrafine-Grained Multiphase Steels with Different Microstructural Constitutions Fabricated Through Annealing of Tempered and Deformed Martensite
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Ultrafine-grained (UFG) steels with different microstructural constitutions were fabricated through annealing of tempered and deformed martensite. Effects of various second phases on deformation behaviors and mechanical properties of UFG steels were investigated. In this study, it was shown that retained austenite is the most beneficial microstructure constitution for enhancing the ductility of low-alloyed UFG steels.
This research was supported by the National Natural Science Foundation of China (Grant No. 51371032), China Postdoctoral Science Foundation (Grant No. 2017M610082), and National Key R&D program of China (2016YFB0300104).
- 13.G. Krauss, Steel Res. Int. 2017, vol. 88.Google Scholar