| 盲孔法测定焊接残余应力适宜测试时间研究 |
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| 引用本文： | 游敏,郑小玲,王福德,晏红.盲孔法测定焊接残余应力适宜测试时间研究[J].三峡大学学报(自然科学版),1999(1). |
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| 作者姓名： | 游敏 郑小玲 王福德 晏红 |
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| 作者单位： | 武汉水利电力大学（宜昌）机械工程系 |
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| 摘 要： | 研究了盲孔法测定残余应力时应变值与测试时间的关系，结果表明对于１６Ｍｎ、１Ｃｒ１８Ｎｉ９Ｔｉ等材料制成的焊接构件在测试焊接残余应力时，为保证应变值的测试精度，停钻之后到测取应变仪读数的时间一般不应少于４０ｍｉｎ建议全面研究测试时间对盲孔法测试精度的影响
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| 关 键 词： | 盲孔法 残余应力 焊接 测试时间 |
On Suitable Testing Time of Blind Hole Technique for Measuring Residual Stress |
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| You Min,Zheng Xiaoling,Wang Fude,Yan Hong.On Suitable Testing Time of Blind Hole Technique for Measuring Residual Stress[J].Journal of China Three Gorges University(Natural Sciences),1999(1). |
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| Authors: | You Min Zheng Xiaoling Wang Fude Yan Hong |
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| Institution: | Dept of Mechanical Engineering |
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| Abstract: | The influence of records taken time on the strain value with blind hole technique for measuring residual stress is studied The results obtained show that there must be a test interval at least 40 min after stopping drill to take the strain records in order to obtain suitable testing accuracy for welded components made by 16Mn or stainless steel plate under the test condition for welding residual stress testing It should be studied throughly that the influence of testing time on the accuracy of blind hole technique |
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| Keywords: | blind hole technique residual stress welding testing time |
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