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首页> 外文期刊>Materials Science and Engineering >Work hardening behavior of dual phase copper-iron alloy at low temperature
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Work hardening behavior of dual phase copper-iron alloy at low temperature

机译：低温下双相铜合金的工作硬化行为

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摘要

In-silu neutron diffraction measurements were performed on a cold-rolled copper-iron (Cu-Fe) alloy during tensile tests at 293 K and 150 K. The alloy was composed of face-centered cubic Cu and body-centered cubic Fe. The roles of Cu and Fe on the deformation behavior of alloys were discussed and clarified. The strength and work-hardening rate of the alloy increased with decreasing test temperature. Furthermore, the phase stress of Fe increased considerably with decreasing test temperature; however, the response of this stress to the applied true stress exhibited no dependence on the temperature. The phase stresses of Cu changed only slightly with decreasing test temperature. However, the Cu phase stress response to the applied true stress increased with decreasing test temperature, indicating an increase in the work-hardening rate. The strengthening of Fe and the increase in the work-hardening of Cu contributed to an increase in the strength and work-hardening rate of the Cu-Fe alloy at low temperatures.
机译：在293k和150k的拉伸试验期间在冷轧铜 - 铁（Cu-Fe）合金中对硅中子衍射测量进行。该合金由面为中心的立方Cu和以体为中心的立方Fe组成。讨论和澄清了Cu和Fe对合金变形行为的作用。通过降低的测试温度，合金的强度和工作硬化率增加。此外，Fe的相位应力随着试验温度降低而显着增加;然而，这种应力对所施加的真应力的响应表现出对温度的依赖性。 Cu的相位应力仅在降低测试温度下轻微改变。然而，Cu相应力对所施加的真菌的响应随着测试温度的降低而增加，表明工作 - 硬化率的增加。 Cu的加强加固和加工的增加导致Cu-Fe合金在低温下的强度和工作硬化率的增加。

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  • 来源
    《Materials Science and Engineering》 |2021年第5期|141509.1-141509.10|共10页
  • 作者

    Takayuki Yamashita; Norimitsu Koga; Takuro Kawasaki; Satoshi Morooka; Shohei Tomono; Osamu Umezawa; Stefanus Harjo;

  • 作者单位

    Joining and Welding Research Institute Osaka University 11-1 Mihogaoka Ibaraki Osaka 567-0047 Japan;

    Faculty of Mechanical Engineering Institute of Science and Engineering Kanazawa University Kakumamachi Kanazawa Ishikawa 920-1192 Japan;

    J-PARC Center Japan Atomic Energy Agency 2-4 Shirakata Tokai Naka Ibaraki 319-1195 Japan;

    J-PARC Center Japan Atomic Energy Agency 2-4 Shirakata Tokai Naka Ibaraki 319-1195 Japan;

    Graduate School of Engineering Yokohama National University 79-5 Tokiwadai Hodogaya Yokohama 240-8501 Japan;

    Faculty of Engineering Yokohama National University 79-5 Tokiwadai Hodogaya Yokohama 240-8501 Japan;

    J-PARC Center Japan Atomic Energy Agency 2-4 Shirakata Tokai Naka Ibaraki 319-1195 Japan;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Neutron diffraction; Dual phase alloy; Stress partition; Phase stress; Work hardening;

    机译：中子衍射;双相合金;应力分区;相压力;工作硬化;

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