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Characterization of the forgeability of 1Cr11Ni2W2MoV steel using processing map

机译：使用加工图表征1Cr11Ni2W2MoV钢的可锻性

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摘要

The forgeability of 1Cr11Ni2W2MoV martensitic heat-resistant stainless steel is investigated by using processing maps, based on the isothermal compression of 1Cr11 Ni2W2MoV steel conducted at the deformation temperatures ranging from 1243 K to 1383 K, the strain rates ranging from 0.001 s~(-1) to 10.0 s~(-1), and the height reductions ranging from 30% to 70%. The efficiency of dissipation and the instability parameter that represent the forgeability of 1Cr11Ni2W2MoV steel at different process parameters are investigated. The efficiency of dissipation decreases with the increasing of strain at the deformation temperatures ranging from 1310K to 1383K, and the strain rates ranging from 0.001 s~(-1) to 0.01 s~(-1). The corresponding efficiency of dissipation in instability regions is usually less than 0.32 at the strain less than 0.7. The reasonable process parameters of 1lCr11Ni2W2MoV steel are deformation temperatures of 1243-1300 K and strain rates of 0.001-0.14 s~(-1) at the strain less than 0.7. The best forgeability of 1Cr11Ni2W2MoV steel can be obtained at a deformation temperature of 1243 K and a strain rate of 0.001 s~(-1) in this research.
机译：利用加工图研究了1Cr11Ni2W2MoV马氏体耐热不锈钢的可锻性，基于1Cr11 Ni2W2MoV钢在1243 K至1383 K的变形温度下进行的等温压缩，应变速率为0.001 s〜（-1 ）至10.0 s〜（-1），高度降低幅度为30％至70％。研究了在不同工艺参数下的耗散效率和代表1Cr11Ni2W2MoV钢可锻性的不稳定性参数。在1310K〜1383K的变形温度下，应变速率在0.001 s〜（-1）至0.01 s〜（-1）范围内，耗散效率随着应变的增加而降低。在应变小于0.7时，在不稳定区域中的相应耗散效率通常小于0.32。 1lCr11Ni2W2MoV钢的合理工艺参数是变形温度为1243-1300 K，应变率小于0.7时的应变率为0.001-0.14 s〜（-1）。在该研究中，在变形温度1243 K和应变速率0.001 s〜（-1）的条件下，可以获得1Cr11Ni2W2MoV钢的最佳可锻性。

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  • 来源
    《Materials Science and Engineering》 |2010年第25期|p.6505-6510|共6页
  • 作者

    H. Li; M.Q.Li; X.Y. Zhang; J. Luo;

  • 作者单位

    School of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an 710072, PR China;

    rnSchool of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an 710072, PR China;

    rnSchool of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an 710072, PR China;

    rnSchool of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an 710072, PR China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    1Cr11Ni2W2MoV; isothermal compression; forgeability; processing map;

    机译：1Cr11Ni2W2MoV;等温压缩可锻性加工图;

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