Residual strength model for composite laminates
BIAN Wen-feng1,2, GUO Jing-zhe2, DU Shan-yi1
1.Postdoctoral Flow Station of Materials Science and Engineering,Harbin Institute of Technology,Harbin 150001,China;2.School of Civil Engineering,Harbin Institute of Technology at Weihai,Weihai 264209,China
Abstract:
To research the approach of predicting composites fatigue life,the cumulative fatigue damage of fiber-reinforced plastic laminates(FRP) was investigated,and based on the complex exponential function,the residual strength model was obtained. This model can accurately describe the propagation of cumulative fatigue damage of FRP in three stages,especially in the initial stage and the ceasing stage. Applying this model in the experiment with two loading cycles,it can be found that the prediction result has good coincidence with experimental data. So a reliable residual strength model can be provided for studying the cumulative fatigue damage of FRP.
Key words: composite material residual strength fatigue life cumulative damage
DOI：10.11916/j.issn.1005-9113.2010.03.025
Clc Number:O346
Fund:
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Residual strength model for composite laminates
本站小编 哈尔滨工业大学/2019-10-23
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