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Transformation-induced plasticity in Fe-Cr-V-C

机译：Fe-Cr-V-C中转变诱导的可塑性

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摘要

On the basis of the Fe_(84.3)C_(4.6)Cr_(4.3)MO_(4.6)V_(2.2) high-speed tool steel, manufactured under relatively high cooling rates and highly pure conditions, a further improvement of the mechanical characteristics by slight modification of the alloy composition was attempted. For this, the alloy Fe_(88.9)Cr_(4.3)V_(2.2)C_(4.6) was generated by elimination of Mo. By applying special preparation conditions, a microstructure composed of martensite, retained austenite, and a fine network of special carbides was obtained already in the as-cast state. This material exhibits extremely high compression strength of over 5000 MPa combined with large compression strain of more than 25% due to deformation-induced martensite formation. With this alloy a new composition of transformation-induced plasticity-assisted steels was found, which shows an extreme mechanical loading capacity.
机译：基于在相对较高的冷却速度和高度纯净的条件下制造的Fe_（84.3）C_（4.6）Cr_（4.3）MO_（4.6）V_（2.2）高速工具钢，进一步改善了机械性能试图对合金成分进行轻微修改。为此，通过消除Mo生成了Fe_（88.9）Cr_（4.3）V_（2.2）C_（4.6）合金。通过特殊的制备条件，组织由马氏体，残余奥氏体和精细的碳化物网络组成。已在铸造状态下获得。这种材料表现出超过5000 MPa的极高抗压强度，并由于变形引起的马氏体形成而具有超过25％的大压缩应变。使用这种合金，发现了一种新的由相变诱发塑性辅助钢组成的钢，该钢具有极高的机械负载能力。

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  • 来源
    《Journal of Materials Research》 |2010年第2期|368-374|共7页
  • 作者

    Uta Kuehn; Jan Romberg; Norbert Mattern; Horst Wendrock; Juergen Eckert;

  • 作者单位

    IFW Dresden, Institute for Complex Materials, D-01171 Dresden, Germany;

    IFW Dresden, Institute for Complex Materials, D-01171 Dresden, Germany;

    IFW Dresden, Institute for Complex Materials, D-01171 Dresden, Germany;

    IFW Dresden, Institute for Complex Materials, D-01171 Dresden, Germany;

    IFW Dresden, Institute for Complex Materials, D-01171 Dresden, Germany Technical University (TV) Dresden, Institute of Materials Science, D-01062 Dresden, Germany;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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