| 用直接散斑技术测量复合材料试件的面内位移 |
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| 引用本文： | 毛天祥,韩金虎,李春秀,邹荣达.用直接散斑技术测量复合材料试件的面内位移[J].力学学报,1987(4). |
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| 作者姓名： | 毛天祥 韩金虎 李春秀 邹荣达 |
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| 作者单位： | 中国科学院力学研究所
(毛天祥，韩金虎，李春秀)，中国科学院力学研究所(邹荣达) |
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| 摘 要： | 直接散斑法用来测量带中心圆孔复合材料条状试件在拉伸载荷作用下的面内位移分布,采用镜面移植技术,提高复合材料试件表面的反射性能,从而得到高质量的散斑干涉干板,在分析散斑干涉干板时,由于得到的全场位移分布条纹频率的可调性,使此方法测量范围很宽,由弹性应变到塑性应变,直接散斑法测量的结果与云纹法得到的结果相符合。
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| 关 键 词： | 直接散斑法 复合材料 位移测量 云纹法 |
IN-PLANE DISPLACEMENT MEASUREMENT OF COMPOSITE BY OBJECTIVE SPECHLE PHOTOGRAPHY |
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| Mao Tianxiang,Han Jinhu,Li Chunxiu,Zou Rongda.IN-PLANE DISPLACEMENT MEASUREMENT OF COMPOSITE BY OBJECTIVE SPECHLE PHOTOGRAPHY[J].chinese journal of theoretical and applied mechanics,1987(4). |
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| Authors: | Mao Tianxiang Han Jinhu Li Chunxiu Zou Rongda |
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| Abstract: | The objective speckle photography is used to measure the in-plane displacement around the hole in a coupon specimen of composite materials under tensile load. Mirror transplantation method is adopted to ensure the high reflectance of specimen surface and obtain high quality resulting transparancy. The adjustable frequency of the resulting full--ifeld pattern for the displacement made it possible to measure a broad range of strain, from elastic to plastic strain. The results obtained by objective speckle photography agree well with the results by Moire method. |
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| Keywords: | objective speckle photography composite materials displacement measurement Moire method |
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