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《Aircraft Design》 2014-01
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Widespread Fatigue Problem of Aging Aircrafts

LI Jia-qian;SHEN Hai-jun;School of Aeronautics & Mechanics, Tongji University;  
Widespread fatigue is a typical failure style in aging aircrafts and some engineering structures. Due to the interaction between widespread cracks, structures' residual strength, critical crack-length and crack propagation life decrease greatly, which seriously affects the safety of the structures in service. In the present paper, we summarized the research outcomes and advances about widespread fatigue problem, including basic concepts, macro-properties, research status and stress analyses, stress intensity factor, crack growth and connecting, connecting criterion and residual strength.
【CateGory Index】: V215.5
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