Served Life Assessment Model of Aircraft Aluminum Alloy Structure Subjected to Corrosion Damage

被引：0
|
作者：
Zhang Youbong [1 ]
Chang Xinlong [1 ]
Zhang Shiying [1 ]
Zhang Wei [1 ]
Hua Mingjun [1 ]
机构：
[1] Second Artillery Engn Inst, Dept 2, Xian 710025, Shaanxi, Peoples R China
来源：
PROGRESS IN SAFETY SCIENCE AND TECHNOLOGY, VOL VII, PTS A AND B | 2008年 / 7卷
关键词：
aluminum alloy; corrosion damage; finite element method; crack growth; life prediction;
D O I：
暂无
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
A holistic life prediction model of aging aircraft aluminum alloy structure served in corrosive environment was presented. The basic approach to compute the effects of corrosion on structural life was described and exercised for two types of corrosion: pitting corrosion and exfoliation corrosion. The finite element method (FEM) was used to calculate the stress multiplication of aluminum alloy structure subjected to the two kinds. of corrosion damage. Combining the results of FUN calculation with the AFGROW software of crack growth analyses, the life cycles of corroded structure were estimated, and the predicted fatigue lives were in good agreement with experimental cycles.
引用
收藏
页码：1805 / 1808
页数：4
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