MEASUREMENT OF RESIDUAL STRESSES IN ORTHOTROPIC MATERIALS BY THE HOLE DRILLING METHOD
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摘要: 讨论了小孔法测量正交各向异性材料残余应力。以正交各向异性无限大板孔边应力场解析解为基础, 导出了释放应变矩阵计算表达式, 并用一个算例验证了该计算式的正确性。Abstract: The hole drilling method is presented to measure residual stresses in orthotropic materials. Based on the analytical solution to stress field around a hole in a stressed orthotropic infinite width plate, a set of equations was derived to calculate the relieved strain matrix. An example was given to assess the validity of these equations.
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Key words:
- hole drilling method
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