| 一种光测裂纹扩展速度和形状的新方法 |
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| 引用本文： | 许忠勇 袁龙蔚. 一种光测裂纹扩展速度和形状的新方法[J]. 湘潭大学自然科学学报, 1989, 11(1): 200-202 |
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| 作者姓名： | 许忠勇 袁龙蔚 |
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| 作者单位： | 湘潭大学流变力学研究所(许忠勇)，湘潭大学流变力学研究所(袁龙蔚) |
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| 摘 要： | 为了验证作者最近关于流变断裂理论而提出的变质量断裂模型,本文提出了一种新的光测裂纹扩展速度和形状的新方法,经实际测量表明该方法有简便、精确、实用等特点,是一种较为理想的断裂力学实验新方法。
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| 关 键 词： | 断裂力学实验 裂纹扩展速度 光学测量方法 |
AN OPTICAL SURVEYING METHOD TO MEASURE THE PROPAGATION VELOCITY AND SHAPE OF CRACK |
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| Xu Zhongyong Yuan Longwei Research Institute of Rheological Mechanics. AN OPTICAL SURVEYING METHOD TO MEASURE THE PROPAGATION VELOCITY AND SHAPE OF CRACK[J]. Natural Science Journal of Xiangtan University, 1989, 11(1): 200-202 |
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| Authors: | Xu Zhongyong Yuan Longwei Research Institute of Rheological Mechanics |
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| Affiliation: | Xu Zhongyong Yuan Longwei Research Institute of Rheological Mechanics |
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| Abstract: | In order to demonstrate the correctness of the theory of Variable-Mass Fracture Modelproposed by authors in recent research on rheological fracture theory, a new opticalsurveying procedure to measure the propagation velocity and shape of crack was presen-ted and using this method has performed practical determination. The experimentalresults showed that this method is simple, convenient, practical and accurate. |
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| Keywords: | experiments of fracture mechanics propagation velocity of crack optical surveying method |
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