典型文献
An alternative method to reduce process-induced deformation of CFRP by introducing prestresses
文献摘要：
Process-induced deformation is an important limiting factor to the application of high performance composite structures.An alternative method to reduce process-induced deformation is proposed by introducing prestress to a single layer or part of the layers instead of all the appli-cable layers.In this method,the necessary prestress level that applied to the single layer was in the reasonable range.Two kinds of unsymmetric laminates are manufactured at varying prestress levels.The experimental results described that the curing deformation is changed rapidly with the growing prestress level and flipped after a certain prestress level.Moreover,there is a good linear relationship between prestress level and final curing deformation,which gives a convenient way to calculate the prestress level that can fully counteract the curing deformation.The numerical model to predict the curing deformation was built.A good agreement between the numerical and the experimental results shows the effectiveness of the numerical model.To predict the prestress level that can fully counteract the curing deformation,an analytical model is also proposed.The-oretically,the prestress method can fully counteract the curing deformation of the specimens,while the experimental results show that the prestressing layer reduces more than 80％of the curing defor-mation.
文献关键词：
中图分类号：
作者姓名：
Zhendong LIU;Xitao ZHENG;Wenjing FAN;Fei WANG;Sohail AHMED;Leilei YAN
作者机构：
School of Aeronautics,Northwestern Polytechnical University,Xi'an 710072,China;Unmanned System Research Institute,Northwestern Polytechnical University,Xi'an 710072,China
文献出处：
引用格式：
[1]Zhendong LIU;Xitao ZHENG;Wenjing FAN;Fei WANG;Sohail AHMED;Leilei YAN-.An alternative method to reduce process-induced deformation of CFRP by introducing prestresses)[J].中国航空学报（英文版）,2022(08):314-323
A类：
prestresses,unsymmetric,oretically,prestressing
B类：
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AB值：
0.389568
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