Fatigue crack propagation law measured from integrated digital image correlation: the example of Ti35 thin sheets

被引：6
|
作者：
Mathieu, Florent [1 ]
Hild, Francois [1 ]
Roux, Stephane [1 ]
机构：
[1] ENS Cachan CNRS UPMC PRES UniverSud Paris, LMT Cachan, F-94235 Cachan, France
来源：
11TH INTERNATIONAL CONFERENCE ON THE MECHANICAL BEHAVIOR OF MATERIALS (ICM11) | 2011年 / 10卷
关键词：
Digital image correlation; fracture mechanics; Paris' law; titanium; STRESS INTENSITY FACTOR;
D O I：
10.1016/j.proeng.2011.04.180
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this study, a crack in commercially-pure Titanium (CP-Ti) is observed with optical means during its propagation in fatigue. Digital image correlation is then used to extract directly, with no post-processing step, the crack tip location and the corresponding stress intensity factor amplitude to evaluate the parameters of Paris' law, the T-stress component and an estimate of the plastic zone shape. (C) 2011 Published by Elsevier Ltd. Selection and peer-review under responsibility of ICM11
引用
收藏
页码：1091 / 1096
页数：6
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