| 用栅板剪切干涉法确定应力强度因子 |
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| 引用本文： | 陈华丽 周鸿康. 用栅板剪切干涉法确定应力强度因子[J]. 西安交通大学学报, 1992, 26(2): 101-105,114 |
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| 作者姓名： | 陈华丽 周鸿康 |
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| 作者单位： | 西安交通大学工程力学系(陈华丽，周鸿康，曹王俊)，西安交通大学工程力学系(赵从军) |
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| 摘 要： | 本文介绍了一种用栅板剪切干涉法确定应力强度因子的新方法,阐明了该方法的基本原理与实验技术,通过三点弯曲梁确定了Ⅰ型裂纹应力强度因子,实验结果与理论上近似计算结果相符合。
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| 关 键 词： | 光栅 干涉法 应力强度因 光弹性 |
DETERMINATION OF STRESS INTENSITY FACTOR BY SHEARING INTERFEROMETRY WITH GRATING |
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| Chen Huali,Zhou Hongkang,Cao Wangjun,Zhao Congjun. DETERMINATION OF STRESS INTENSITY FACTOR BY SHEARING INTERFEROMETRY WITH GRATING[J]. Journal of Xi'an Jiaotong University, 1992, 26(2): 101-105,114 |
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| Authors: | Chen Huali Zhou Hongkang Cao Wangjun Zhao Congjun |
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| Affiliation: | Chen Huali;Zhou Hongkang;Cao Wangjun;Zhao Congjun Department of Engineering Mechanics |
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| Abstract: | A new optical method of determining stress intensity factor by shearing interferometry with grat-ing is developed in this paper.The theory and testing technique of grating shearing interferometry aredesscribed. The stress intensity factors in the bent beam with edge crack is determinde. The experimentalresult is in agreement with the numerical solution. |
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| Keywords: | photoelasticity optical grating sheartest tress intensity factor |
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