The stress intensity factor for a cracked stiffened sheet repaired with an adhesively bonded composite patch

被引:0
|
作者
C. N. Duong
J. Yu
机构
[1] McDonnell Douglas Aerospace,
来源
关键词
Stress intensity factor; adhesively bonded composite patch; cracked stiffened sheet.;
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摘要
The problem of a cracked, stiffened metallic sheet adhesively bonded by a composite patch is analyzed. The composite patch is assumed to be either an infinite orthotropic sheet or an infinite orthotropic strip normal to the crack. Due to the high stress concentration around the crack and on the interface, an elliptical disbond is assumed to exist around the crack. The crack is asymmetric with respect to the stiffener's locations as well as to the patch's center. The effect of thermal stresses in curing process is also considered. The fracture problem is solved by the displacement compatibility method, using the complex variable approach and the Fourier integral transform method.
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页码:37 / 60
页数:23
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