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Deformation mechanisms and enhanced mechanical properties of 304L stainless steel at liquid nitrogen temperature

机译：液氮温度下304L不锈钢的变形机理和增强力学性能

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摘要

The deformation mechanisms and enhanced mechanical properties of a fine-grained 304 L stainless steel were revealed at liquid nitrogen temperature. A remarkable Lueders-type deformation and subsequent dislocation slipping/accumulation deformation synergistically contribute to its good ductility. The enhanced strength was resulted from low-temperature strengthening and high density of dislocation storage hardening.
机译：在液氮温度下揭示了细粒304L不锈钢的变形机制和增强的力学性能。一种显着的Lueders型变形和随后的位错滑动/累积变形协同有助于其良好的延展性。由于低温强化和高密度的位错储存硬化产生了增强的强度。

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  • 来源
    《Materials Science and Engineering》 |2020年第4期|140133.1-140133.5|共5页
  • 作者

    Jiansheng Li; Zhongchen Zhou; Shuaizhuo Wang; Qingzhong Mao; Chao Fang; Yusheng Li; Gang Wang; Jiajie Kang; Xiebin Zhu;

  • 作者单位

    School of Materials Science and Engineering Anhui Polytechnic University Wuhu 241000 PR China Additive Manufacturing Institute Anhui Polytechnic University Wuhu 241000 PR China;

    Nano and Heterogeneous Materials Center School of Materials Science and Engineering Nanjing University of Science and Technology Nanjing 210094 PR China;

    Nano and Heterogeneous Materials Center School of Materials Science and Engineering Nanjing University of Science and Technology Nanjing 210094 PR China;

    Nano and Heterogeneous Materials Center School of Materials Science and Engineering Nanjing University of Science and Technology Nanjing 210094 PR China;

    National Key Laboratory for Precision Heat Processing of Metals School of Materials Science and Engineering Harbin Institute of Technology Harbin 150001 PR China;

    Nano and Heterogeneous Materials Center School of Materials Science and Engineering Nanjing University of Science and Technology Nanjing 210094 PR China;

    School of Materials Science and Engineering Anhui Polytechnic University Wuhu 241000 PR China Additive Manufacturing Institute Anhui Polytechnic University Wuhu 241000 PR China;

    School of Engineering and Technology China University of Geosciences (Beijing) Beijing 100083 PR China;

    School of Materials Science and Engineering Anhui Polytechnic University Wuhu 241000 PR China Additive Manufacturing Institute Anhui Polytechnic University Wuhu 241000 PR China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    304L stainless Steel; Dislocation slipping/accumulation; Stress-induced martensitic transformation; Mechanical property; Liquid nitrogen temperature;

    机译：304L不锈钢;脱臼滑动/积累;应激诱导的马氏体转化;力学性质;液氮温度;

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