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Ultra-fine-grained Zn-0.5Mn alloy processed by multi-pass hot extrusion: Grain refinement mechanism and room-temperature superplasticity

机译:多道次热挤压加工的超细晶粒Zn-0.5Mn合金:晶粒细化机理和室温超塑性

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摘要

Ultra-fine-grained Zn-0.5Mn alloy was prepared by multi-pass hot extrusion. Minimum grain size of the Zn-0.5Mn alloy was about 0.35 mu m, it exhibited room temperature superplasticity. During multi-pass extrusion, the pinning force of MnZn13 rendered the subgrains stable and restrained grain growth. The ultra-fine grain was finally formed.
机译:通过多道次热挤压制备了超细晶粒的Zn-0.5Mn合金。 Zn-0.5Mn合金的最小晶粒尺寸为约0.35μm,表现出室温超塑性。在多道次挤压过程中,MnZn13的钉扎力使亚晶粒稳定并抑制了晶粒的生长。最终形成超细晶粒。

著录项

  • 来源
    《Materials Science and Engineering》 |2019年第4期|262-266|共5页
  • 作者单位

    Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Cixi Inst Biomed Engn, Ningbo 315201, Zhejiang, Peoples R China|Univ Chinese Acad Sci, Beijing 100049, Peoples R China;

    Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Cixi Inst Biomed Engn, Ningbo 315201, Zhejiang, Peoples R China;

    Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Cixi Inst Biomed Engn, Ningbo 315201, Zhejiang, Peoples R China;

    Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Cixi Inst Biomed Engn, Ningbo 315201, Zhejiang, Peoples R China;

    Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Cixi Inst Biomed Engn, Ningbo 315201, Zhejiang, Peoples R China;

    Medtronic Inc, Minneapolis, MN 55432 USA;

    Medtronic Inc, Minneapolis, MN 55432 USA;

    Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Cixi Inst Biomed Engn, Ningbo 315201, Zhejiang, Peoples R China;

    Ningbo Powerway Alloy Mat Co LTD, Ningbo 315145, Zhejiang, Peoples R China;

    Univ Calif Riverside, Dept Bioengn, Riverside, LA 92521 USA;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Multi-pass hot extrusion; Zn-Mn alloy; Grain size; MnZn13; Superplasticity;

    机译:多道次热挤压;锌锰合金;晶粒尺寸;MnZn13;超塑性;

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