复合材料科学与工程Issue(9)：65-74,124,11.DOI:10.19936/j.cnki.2096-8000.20250928.009
L形复合材料长梁件的倒圆角对其固化变形特性影响规律研究
Influence of chamfering angle on the curing deformation characteristics of L-shaped composite truss
摘要
Abstract
To solve problems of structure assembly difficulty and loading reliability reduction caused by curing deformation of U-shaped composite trusses,this paper established a composite material curing deformation simula-tion model under the framework of ABAQUS.Based on this model,the effects of structural shape and layup angle on the cure deformation of L-shaped composite truss were investigated.By comparing with the experimental results of the curing deformation of three asymmetric layups of L-shaped composite trusses,it was found that the maximum calculation error of the simulation model was 11%.Based on this model,the curing residual stress field and curing deformation characteristics of L-shaped composite trusses with lay-up angles of[0/0/45/-45]S,[0/90/45/-45]S,[90/90/45/-45]S were investigated under different chamfer radii.The results showed that the chamfer radius and lay-up angle of the composites significantly affected the curing deformation and residual stress of the components.With the increase of chamfering radius,the curing residual stresses and deformations of the three layup specimens showed a decreasing trend.Under the same chamfering radius,the curing deformation and residual stress of the[0/90/45/-45]S specimen was the smallest among the three ply designs.These results indicated that increasing the chamfering angle of the L-shaped truss and designing a reasonable and uniform layup angle can help to reduce the curing deformation of the L-shaped composite truss.关键词
复合材料/固化变形/有限元仿真/倒圆角/铺层角度Key words
composites/curing deformation/finite element simulation/chamfering angle/layup orientation分类
通用工业技术引用本文复制引用
王岩,黄永勇,李毅超..L形复合材料长梁件的倒圆角对其固化变形特性影响规律研究[J].复合材料科学与工程,2025,(9):65-74,124,11.基金项目
2023年湖北省重大攻关项目(JD)(2023BAA004) （JD）
