DETECTION OF PLASTIC ZONE AT CRACK TIP BY NON-COLLINEAR MIXING METHOD

被引：0

作者：

Li, Hai-yang ^{[1
]}

An, Zhi-wu ^{[1
]}

Lian, Guo-xuan ^{[1
]}

Wang, Xiao-min ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Acoust, State Key Lab Acoust, Beijing 100190, Peoples R China

来源：

2014 SYMPOSIUM ON PIEZOELECTRICITY, ACOUSTIC WAVES, AND DEVICE APPLICATIONS (SPAWDA) | 2014年

关键词：

Non-collinear mixing method; Nonlinearity parameter; Plastic zone;

D O I：

暂无

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

The non-collinear mixing method for detection of plastic zone at crack tip is studied in this paper. When stress loaded on crack in solid is more than critical stress, which is related to length of crack, the crack will happen to expend fast leading to material fracture. However, critical stress of crack is affected by plastic zone existence at crack tip, so detection of plastic zone at crack tip is significant. By non-collinear mixing method, a nonlinearity parameter is utilized to evaluate plastic zone at crack tip. This paper demonstrates feasibility of non-collinear mixing method for measuring range of plastic zone at crack tip.

引用

页码：154 / 157

页数：4

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