X射线衍射法测残余应力的“突变”现象与定峰技巧探讨
DISCUSSION ON “ANTICLIMAX” PHENOMENON AND TECHNIQUES OF DETERMINING PEAK POSITIONS OF MEASURING RESIDUAL STRESSES BY X-RAY DIFFRACTION
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。
残余应力
测试
突变
定峰
X-ray diffraction
Residual stress
Measurement
Anticlimax
Determining peak positions
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.
中图分类号 TG115.22 TG115.23
所属栏目 试验与研究
基金项目 国防科工委国防基础研究基金项目(G0110A02030)
收稿日期 2007/8/24
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备注郑卜祥(1980- ),男,助理工程师,硕士。
引用该论文: 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): 119～122
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): 119～122
被引情况:
【1】刘柏清,王新华,陈冬青,邓贤远, "Q345钢对接焊缝的残余应力测试",理化检验－物理分册 51, 769-771(2015)
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参考文献
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