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首页> 外文期刊>Materials Science and Engineering >Microstructural evolution and deformation behavior in the Fe-(6, 8.5)Mn-3Al-0.2C TRIP steels
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Microstructural evolution and deformation behavior in the Fe-(6, 8.5)Mn-3Al-0.2C TRIP steels

机译:Fe-(6,8.5)Mn-3Al-0.2C TRIP钢的组织演变和变形行为

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摘要

We have studied here the microstructural evolution and deformation behavior in two hot-rolled Fe-6Mn-3AI-0.2C (6Mn steel) and Fe-8.5Mn-3Al-0.2C (8.5Mn steel) transformation induced plasticity (TRIP) steels. Excellent combination of mechanical properties including total elongation (TEL) of 39.3%, ultimate tensile strength (UTS) of 1112 MPa and UTS × TEL of 43.7 GPa% were obtained in 8.5Mn steel subjected to intercritical hardening at 750 ℃ and tempering at 200 ℃. The increase in the Mn-content in the experimental steel led to increase in the volume fraction of austenite and change in austenite morphology. Non-uniform Mn distribution in austenite with varied morphology resulted in different degree of austenite stability and led to discontinuous TRIP effect, contributing to the best combination of mechanical properties in 8.5Mn-750 steel.
机译:我们在这里研究了两种热轧的Fe-6Mn-3Al-0.2C(6Mn钢)和Fe-8.5Mn-3Al-0.2C(8.5Mn钢)相变诱发塑性(TRIP)钢的组织演变和变形行为。在850℃进行750℃的临界硬化和200℃回火的8.5Mn钢中,获得了优异的机械性能组合,包括总伸长率(TEL)为39.3%,极限抗拉强度(UTS)为1112 MPa和UTS×TEL为43.7 GPa%。 。实验钢中Mn含量的增加导致奥氏体体积分数的增加和奥氏体形态的变化。不同形态的奥氏体中Mn的不均匀分布导致不同程度的奥氏体稳定性并导致不连续的TRIP效应,从而有助于8.5Mn-750钢的机械性能的最佳组合。

著录项

  • 来源
    《Materials Science and Engineering》 |2016年第30期|161-169|共9页
  • 作者单位

    School of Materials Science and Engineering, Northeastern University, Shenyang 110819, China,Laboratory for Excellence in Advanced Steel Research, Department of Metallurgical, Materials and Biomedical Engineering, University of Texas at El, Paso, El Paso, TX 79968, USA;

    School of Materials Science and Engineering, Northeastern University, Shenyang 110819, China;

    Laboratory for Excellence in Advanced Steel Research, Department of Metallurgical, Materials and Biomedical Engineering, University of Texas at El, Paso, El Paso, TX 79968, USA;

    School of Materials Science and Engineering, Northeastern University, Shenyang 110819, China;

    School of Materials Science and Engineering, Northeastern University, Shenyang 110819, China;

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

    Microstructural evolution; Mechanical properties; Deformation behavior; Discontinuous TRIP effect; Austenite morphology;

    机译:微观结构演变;机械性能变形行为;不连续的跳闸效果;奥氏体形态;

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