Laser interferometric method for determination of elastoplastic strain field

被引：0
|
作者：
Wang, SB [1 ]
Tong, JW [1 ]
Cottron, M [1 ]
Li, LA [1 ]
Wang, ZY [1 ]
机构：
[1] Tianjin Univ, Dept Mech, Tianjin, Peoples R China
来源：
OPTICAL TECHNOLOGY AND IMAGE PROCESSING FOR FLUIDS AND SOLIDS DIAGNOSTICS 2002 | 2002年 / 5058卷
关键词：
grating; digital image; elastic-plastic field; crack; strain;
D O I：
暂无
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A new full-field optical technique is developed to study surface deformation of solids. This method combines the measurement by grid method and the digital image processing. An optical information processing system and a digital image processing system of computer are used in this method. At the output plane we receive the pattern of grating lines that can be used for the analysis of deformation of the specimen on which we have produced the phase grating. At last we show the application of this technique in the investigation of elastic-plastic fracture.
引用
收藏
页码：291 / 296
页数：6
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