| 焦散线方法及其在测定应力强度因子上的应用 |
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| 引用本文： | 管大椿,杨钟衡.焦散线方法及其在测定应力强度因子上的应用[J].北京工业大学学报,1983(3). |
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| 作者姓名： | 管大椿 杨钟衡 |
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| 作者单位： | 材料力学教研室
(管大椿)，材料力学教研室(杨钟衡) |
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| 摘 要： | 本文介绍了焦散线方法及其用于断裂力学中测定应力强度因子上的基本原理,并介绍我们用此法对SEC试件和TPB试件所作的实际测定。实验结果与数值解结果相当一致。文中特别说明了应用全息光弹性方法确定所用材料的应力光学系数的方法。
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The Method of Caustics and Its Application in Determining The Stress Intensity Factors |
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| Abstract: | This paper introduces the basic principle of the method of caustics and its application in determining the stress intensity factors in fracture mechanics, as well as the actual measurement for SEC and TPB specimens. The obtained experimental results coincide with the results of numerical solution. The method of determining the stress-optical constant of the material used by the holo-photoelastic technique is specially described |
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