Residual Stress in Polymeric Composites During Curing

被引：0
|
作者：
Verde, Raffaele [1 ]
Grassia, Luigi [1 ]
D'Amore, Alberto [1 ]
机构：
[1] Univ Campania Luigi Vanvitelli, Dept Engn, Via Roma 19, I-81031 Aversa, CE, Italy
来源：
MACROMOLECULAR SYMPOSIA | 2024年 / 413卷 / 04期
关键词：
composites; curing; fem; residual stresses; viscoelasticity;
D O I：
10.1002/masy.202400012
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A numerical procedure to simulate the curing process of polymer-based composites is proposed. This model is applied to a carbon-epoxy composite at a micromechanical level to predict residual stress at the end of the process and the evolution of the most important process parameters. A finite element model is written in the Ansys APDL environment and comprises two moduli that must be solved consecutively: the thermal-kinetical and structural modules. At each timestep, first thermal/kinetics problem is solved, then the temperature and degree of conversion profile results are used to calculate the viscoelastic properties, allowing the calculation of residual stress.
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页数：4
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