| X射线衍射法测残余应力的“突变”现象与定峰技巧探讨 |
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| 引用本文： | 郑卜祥,宋永伦,席峰.X射线衍射法测残余应力的“突变”现象与定峰技巧探讨[J].理化检验(物理分册),2008,44(3):119-123. |
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| 作者姓名： | 郑卜祥 宋永伦 席峰 |
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| 作者单位： | 北京工业大学,机械工程与应用电子技术学院,北京,100022 |
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| 基金项目： | 国防科工委国防基础研究基金 |
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| 摘 要： | X射线衍射法（XRD）是一种常用的测试金属表面残余应力的无损检测法。依据X射线应力测试的原理，对试验中遇到的衍射强度“突变”现象进行了初步探讨，并对其产生的原因和定峰中的处理方法进行了具体分析，为进一步发展和完善铝合金焊接残余应力的X射线分析技术提供了参考。
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| 关 键 词： | X射线衍射法 残余应力 测试 突变 定峰 |
| 文章编号： | 1001-4012(2008)03-0119-04 |
| 修稿时间： | 2007年8月24日 |
DISCUSSION ON"ANTICLIMAX"PHENOMENON AND TECHNIQUES OF DETERMINING PEAK POSITIONS OF MEASURING RESIDUAL STRESSES BY X-RAY DIFFRACTION |
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| ZHENG Bu-xiang,SONG Yong-lun,XI Feng.DISCUSSION ON"ANTICLIMAX"PHENOMENON AND TECHNIQUES OF DETERMINING PEAK POSITIONS OF MEASURING RESIDUAL STRESSES BY X-RAY DIFFRACTION[J].Physical Testing and Chemical Analysis Part A:Physical Testing,2008,44(3):119-123. |
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| Authors: | ZHENG Bu-xiang SONG Yong-lun XI Feng |
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| Affiliation: | (College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing 100022, China) |
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| Abstract: | X-ray diffraction （XRD） is a convenient and non-destructive method of measuring residual stresses on the surface of metal. According to the principle of using X-ray method to measure the residual stresses, diffraction intensity ＂anticlimax＂ phenomenon is primary discussed in the experiment, and the reasons of the phenomenon and processing techniques of determining peak positions are analyzed detailedly. It is an reference to improve and develop X-ray diffraction analysis of residual stresses with welded aluminium alloy. |
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| Keywords: | X-ray diffraction Residual stress Measurement Anticlimax Determining peak positions |
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