Residual strength and failure mechanism of CF/PPS composites with delamination damage

被引：4

作者：

Yu, Mingming ^{[1
]}

Liu, Hongxiang ^{[1
]}

Xiao, Rongbin ^{[1
]}

Liu, Xueqiang ^{[2
]}

Xie, Wang ^{[1
]}

Ge, Lili ^{[1
]}

Fang, Lin ^{[1
]}

Ren, Musu ^{[1
]}

Sun, Jinliang ^{[1
]}

机构：

[1] Shanghai Univ, Res Ctr Composite Mat, Shanghai 200444, Peoples R China

[2] Res Ctr Mat, Inst Syst Engn, Beijing, Peoples R China

来源：

POLYMER COMPOSITES | 2024年 / 45卷 / 13期

关键词：

CF/PPS composites; damage simulation; delamination damage; residual compressive strength; FRACTURE-TOUGHNESS; COMPRESSION; PREDICTION; BEHAVIOR; GROWTH;

D O I：

10.1002/pc.28643

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

Delamination is one form of damage in composite laminates. The effects of delamination damage locations (thickness direction of laminates) on the residual compressive strength and failure mechanism of carbon fiber/polyphenylene sulfide (CF/PPS) composites are studied by damage morphology, full-field strain and finite element simulation. The closer the delamination is to the center of the composite, the lower the residual compressive strength. The failure mode of composites is dominated by 0 degrees fiber fracture, which is divided into bulging, delamination propagation, and fracture. The delamination locations significantly affect the first two stages. Highlights center dot Constructing delamination damage in composites by interlayer preset defects. center dot Simulation and damage analysis to reveal the mechanism of compression failure. center dot The relationship between delamination depth and damage stage is revealed.

引用

页码：12391 / 12404

页数：14

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