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聚乙烯膜对样品残余应力测试的影响

董平 陈勇忠 柏朝茂

原子能科学技术2001,Vol.35Issue(2):187-192,6.
原子能科学技术2001,Vol.35Issue(2):187-192,6.

聚乙烯膜对样品残余应力测试的影响

Residual Stress Measurement of the Specimen With the Mylar Film by X-ray Diffraction

董平 1陈勇忠 1柏朝茂1

作者信息

  • 1. 中国工程物理研究院,四川 绵阳 621900
  • 折叠

摘要

Abstract

The residual stresses of α-Fe and beryllium specimen surface withand without the Mylar film are measured by X2001 stress analyzer. The reason and the regulation of the measured residual stress change are discussed. The results show that the increasement of the calibration distance D for the specimen surface with the Mylar film shiftes the diffraction peak to the lower angle, thus changing the measured value of residual stress. The real residual stress of specimen can be obtained by correcting the measured value of residual stress.

关键词

X射线应力分析/残余应力/聚乙烯膜

分类

矿业与冶金

引用本文复制引用

董平,陈勇忠,柏朝茂..聚乙烯膜对样品残余应力测试的影响[J].原子能科学技术,2001,35(2):187-192,6.

基金项目

中国工程物理研究院科学技术基金资助项目 ()

原子能科学技术

OA北大核心CSCD

1000-6931

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