Baran Ismet, Cinar Kenan, Ersoy Nuri, Akkerman Remko, Hattel Jesper H
1Faculty of Engineering, University of Twente, 7500 AE Enschede, The Netherlands.
2Mechanical Engineering Department, Namik Kemal University, 59100 Tekirdag, Turkey.
Arch Comput Methods Eng. 2017;24(2):365-395. doi: 10.1007/s11831-016-9167-2. Epub 2016 Jan 20.
The increased usage of fiber reinforced polymer composites in load bearing applications requires a detailed understanding of the process induced residual stresses and their effect on the shape distortions. This is utmost necessary in order to have more reliable composite manufacturing since the residual stresses alter the internal stress level of the composite part during the service life and the residual shape distortions may lead to not meeting the desired geometrical tolerances. The occurrence of residual stresses during the manufacturing process inherently contains diverse interactions between the involved physical phenomena mainly related to material flow, heat transfer and polymerization or crystallization. Development of numerical process models is required for virtual design and optimization of the composite manufacturing process which avoids the expensive trial-and-error based approaches. The process models as well as applications focusing on the prediction of residual stresses and shape distortions taking place in composite manufacturing are discussed in this study. The applications on both thermoset and thermoplastic based composites are reviewed in detail.
在承重应用中纤维增强聚合物复合材料使用的增加，需要详细了解工艺诱导的残余应力及其对形状畸变的影响。为了实现更可靠的复合材料制造，这是极其必要的，因为残余应力会在使用寿命期间改变复合材料部件的内部应力水平，而残余形状畸变可能导致无法满足所需的几何公差。制造过程中残余应力的出现本质上包含了所涉及的物理现象之间的多种相互作用，主要与材料流动、热传递以及聚合或结晶有关。虚拟设计和优化复合材料制造工艺需要开发数值工艺模型，以避免基于试错法的昂贵方法。本研究讨论了关注复合材料制造中残余应力和形状畸变预测的工艺模型及应用。详细综述了基于热固性和热塑性复合材料的应用。
