复合材料科学与工程Issue(8)：86-96,11.DOI:10.19936/j.cnki.2096-8000.20250828.010
泡沫芯材C形夹芯板复合材料固化变形仿真
Curing deformation simulation of foam sandwich composite C-shaped panels
聂志伟 1罗琦 2霍宇凡 1周何乐子 1周华民1
作者信息
- 1. 华中科技大学 材料成形与模具技术国家重点实验室,武汉 430074
- 2. 中国船舶重工集团公司第七二五研究所(洛阳船舶材料研究所),洛阳 471000
- 折叠
摘要
Abstract
Based on the curing deformation mechanism of sandwich composites,a numerical simulation model of the curing deformation of sandwich composites was established for sandwich composite C-shaped contour panels.The simulation results show that at the beginning of demolding,the inner surface of the C-shaped profile plate is subjected to tensile stress while the outer surface is subjected to compressive stress,and the whole component shrinks inward.Based on this simulation model,the curing deformation law of the C-shaped contour panels under different process conditions,such as the type of material at the gap,the number of layers,and the angle of the lay-er,was investigated.It is found that the curing deformation is the smallest when the gap was not filled with any ma-terial,and the curing deformation was the largest when it is filled with composite material;the deformation is posi-tively correlated with the number of layers within a certain range;the lay-up angle has little effect on the deforma-tion.In addition,a number of C-shaped contour panels with the corresponding process conditions were molded,and the curing deformation of the panels was determined by three-dimensional scanning.The simulation conformed well to the experiment,thus verifying the accuracy of the simulation model and realizing the accurate prediction of the curing deformation of C-shaped contour panels.关键词
泡沫夹芯结构/复合材料/固化变形预测/工艺参数/有限元仿真Key words
foam sandwich structures/composites/curing deformation prediction/process parameters/finite element simulation分类
通用工业技术引用本文复制引用
聂志伟,罗琦,霍宇凡,周何乐子,周华民..泡沫芯材C形夹芯板复合材料固化变形仿真[J].复合材料科学与工程,2025,(8):86-96,11.
