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Metallurgical and Materials Transactions A

, Volume 49, Issue 5, pp 1439–1443 | Cite as

Ultrafine-Grained Multiphase Steels with Different Microstructural Constitutions Fabricated Through Annealing of Tempered and Deformed Martensite

  • Xu Wang
  • Ran Ding
  • Jianguo He
  • Aimin Zhao
  • Rendong Liu
Communication
  • 192 Downloads

Abstract

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.

Notes

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).

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Copyright information

© The Minerals, Metals & Materials Society and ASM International 2018

Authors and Affiliations

  • Xu Wang
    • 1
  • Ran Ding
    • 2
  • Jianguo He
    • 2
  • Aimin Zhao
    • 3
  • Rendong Liu
    • 1
  1. 1.Technology Center of Ansteel CorporationAnshanChina
  2. 2.School of Materials Science and EngineeringTsinghua UniversityBeijingChina
  3. 3.Engineering Research InstituteUniversity of Science and Technology BeijingBeijingChina

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