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A Study on Half Width and Yield Strength of Shot Peened Surfaces

机译:喷丸表面半宽和屈服强度的研究。

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摘要

The yield strength of a metallic surface with biaxial residual stresses may berndetermined using X-ray stress analysis technique. Shot peening can increase the superficialrnproof stresses of a steel treated in hard state, even though there is a considerable decrease in thernhalf width of the X-ray diffraction profile. Uniaxial tensile plastic deformation can decrease thernhalf width of this kind of steel to a great extent. The model described in this article demonstratesrnthat plastic deformation reduces the half width values by decreasing the second kind internalrnstresses.
机译:可以使用X射线应力分析技术确定具有双轴残余应力的金属表面的屈服强度。喷丸处理可以增加在硬状态下进行处理的钢的表面抗应力,即使X射线衍射轮廓的半宽度显着减小。单轴拉伸塑性变形可以在很大程度上减小这种钢的半宽度。本文描述的模型表明,塑性变形通过减小第二种内部应力来减小半宽度值。

著录项

  • 来源
  • 会议地点 Xian(CN);Xian(CN)
  • 作者单位

    State Key Laboratory for Fatigue and Fracture of Materials, Institute of Metal Research,rnChinese Academy of Sciences, Shenyang 110015, P.R.China, Tel: +86-24-23843531-55344,rnFax: +86-24-23891320, Email: jbli@imr.ac.cn;

    rnState Key Laboratory for Fatigue and Fracture of Materials, Institute of Metal Research,rnChinese Academy of Sciences, Shenyang 110015, P.R.China, Tel: +86-24-23843531-55344, Fax: +86-24-23891320;

    rnState Key Laboratory for Fatigue and Fracture of Materials, Institute of Metal Research,rnChinese Academy of Sciences, Shenyang 110015, P.R.China, Tel: +86-24-23843531-55344, Fax: +86-24-23891320;

    rnState Key Laboratory for Fatigue and Fracture of Materials, Institute of Metal Research,rnChinese Academy of Sciences, Shenyang 110015, P.R.China, Tel: +86-24-23843531-55344, Fax: +86-24-23891320;

    rnState Key Laboratory for Fatigue and Fracture of Materials, Institute of Metal Research,rnChinese Academy of Sciences, Shenyang 110015, P.R.China, Tel: +86-24-23843531-55344, Fax: +86-24-23891320;

    rnState Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'anrn710049, P.R.China, Tel: +86-29-3268696, Fax: +86-29-3237910, Email:jwhe@xjtu.edu.cn;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 机械制造用材料;
  • 关键词

    shot peening; half width; superficial yield strength;

    机译:喷丸;半宽;表面屈服强度;

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