Effect of patch-parent stacking sequence and patch stiffness on the tensile behaviour of the patch repaired carbon-glass hybrid composite

被引：19
|
作者：
Sahoo, Chinmaya Kumar [1 ]
Bhatia, Gursahib Singh [1 ]
Arockiarajan, A. [1 ]
机构：
[1] Indian Inst Technol Madras, Dept Appl Mech, Chennai 600036, Tamil Nadu, India
来源：
THIN-WALLED STRUCTURES | 2022年 / 179卷
关键词：
Hybrid composite repair; Tensile test; Patch stiffness; Stacking sequence; Digital image correlation; Acoustic emission; LOW-VELOCITY IMPACT; HYBRIDIZATION; PERFORMANCE; DESIGN; SHAPE;
D O I：
10.1016/j.tws.2022.109551
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
In this work tensile behaviour of the patch repaired carbon-glass woven hybrid composites was investigated with patches of different stiffnesses and stacking sequences with the aid of digital image correlation and acoustic emission. Two parent hybrid laminates were repaired with eight patches constituting carbon and glass plies. The damage modes are studied to understand their effect on load recovery. The least stiff patch combination with parent laminate having exterior ply as the glass ply exhibited 24.6% higher load than the drilled specimen. The patches with glass ply facing the parent laminate showed better recovery for the same patch stiffness.
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页数：12
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