Notched strengths of asymmetric woven hybrid laminates

被引：0
|
作者：
Tsai, Kun-Hsieh [1 ]
Hwan, Chung-Li [2 ]
Lin, Meng-Ju [2 ]
Chiu, Chang-Hsuan [1 ]
机构：
[1] Feng Chia Univ, Dept Fiber & Composite Mat, Taichung, Taiwan
[2] Feng Chia Univ, Dept Mech & Comp Aided Engn, 100 Wenhwa Rd, Taichung 40724, Taiwan
来源：
POLYMERS & POLYMER COMPOSITES | 2020年 / 28卷 / 03期
关键词：
Woven hybrid laminate; point stress criterion; characteristic length; hole; BRAIDED COMPOSITE PLATES; FRACTURE CRITERION; ELASTIC PROPERTIES; PREDICTION; HOLES;
D O I：
10.1177/0967391119872123
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
In this article, the notched strengths of asymmetric woven hybrid laminates were studied by using both experiment and the finite element-based point stress criterion (FEMPSC). It was experimentally shown that the notched strength decreases with the increase of hole radius for all the laminates machined by water jet cut, drilling, and milling. Particularly, it is noted that the notched strength of specimens of the same hole size made by water jet cut is obviously higher than those made by both drilling and milling, due to stress redistribution. The results also indicate that the notched strengths predicted by FEMPSC agree well with the experimental data, with only a 4% margin of error.
引用
收藏
页码：151 / 158
页数：8
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