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Process-Induced Deformation of L-Shaped Laminates: Analysis of Tool–Part Interaction
Mechanics of Composite Materials ( IF 1.7 ) Pub Date : 2021-01-01 , DOI: 10.1007/s11029-021-09924-7
Z. Yuan , G. Yang , Z. Yang , Y. Feng , S. Li , Y. Li , X. Tong , D. Song

During the curing process of thermoset composites, residual stresses inevitably develop in them and lead to their curing deformation after the manufacturing process. This work was aimed at investigating the effect of tool–part interaction and bending stiffness on the curing deformation of L-shaped composite structures. Therefore, a twostep calculation model was developed. It consists of a numerical model to capture the residual stress due to the tool–part interaction and a viscoelastic model considering the anisotropic material properties. Calculation results were compared with experimental data, and a good agreement was found to exist between them.

中文翻译:

L 形层压板的加工引起的变形:工具-零件相互作用分析

在热固性复合材料的固化过程中,不可避免地会产生残余应力,并导致它们在制造过程后发生固化变形。这项工作旨在研究工具-零件相互作用和弯曲刚度对 L 形复合结构固化变形的影响。因此,开发了两步计算模型。它由一个数值模型组成,用于捕获由于工具-零件相互作用而产生的残余应力,以及一个考虑各向异性材料特性的粘弹性模型。计算结果与实验数据进行了比较,发现两者之间存在良好的一致性。
更新日期:2021-01-01
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