The corrosion morphology and crack growth analysis of aluminum alloy

被引：0
|
作者：
Mu, Zhitao [1 ]
Liu, Hui [2 ]
Zhu, Zuotao [2 ]
Chen, Dinghai [2 ]
机构：
[1] Naval Aeronaut Engn Acad, Dept Aeronaut Mech, Qingdao Branch, Qingdao 266041, Peoples R China
[2] Naval Aeronaut Engn Acad, Qingdao Branch, Qingdao 266041, Peoples R China
来源：
INFORMATION ENGINEERING FOR MECHANICS AND MATERIALS SCIENCE, PTS 1 AND 2 | 2011年 / 80-81卷
关键词：
corrosion pits; corrosion morphology; fatigue life; fatigue crack; crack growth;
D O I：
10.4028/www.scientific.net/AMM.80-81.464
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The relation between corrosion depth and width with corrosion time is according with the power function. The corrosion pits can be seen as ellipse balls through the examination of QUESTAR three-dimensional optics microscope. Corrosion can decrease the fatigue life of materials and is the main reason of fatigue crack form and grow; through AFGROW analyze we can see that the AFGROW software can simulate crack growth life well and the error is low, the crack growth life and critical crack length are conservative than experiment values.
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页码：464 / +
页数：2
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