Experimental characterization of the bearing behavior of 3D woven composites

被引：20
作者：
Mounien, R. [1 ,2 ]
Fagiano, C. [1 ]
Paulmier, P. [1 ]
Tranquart, B. [2 ]
Irisarri, E-X. [1 ]
机构：
[1] ONERA DMSC, 29 Ave Div Leclerc, F-92322 Chatillon, France
[2] Safran Composites, 33 Rue Gare, F-91790 Itteville, France
来源：
COMPOSITES PART B-ENGINEERING | 2017年 / 116卷
关键词：
Polymer matrix composites (PMCs); 3-Dimensional reinforcement; Mechanical testing; Joints/joining; Bearing strength; MECHANICALLY FASTENED JOINTS; BOLTED JOINTS; SINGLE-BOLT; PART I; FAILURE; STRENGTH; CFRP;
D O I：
10.1016/j.compositesb.2016.10.077
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
An experimental approach is presented in this paper to investigate the bearing behavior of 3D woven composites. Two experimental setups have been designed. 21 specimens have been tested. Half-hole pin bearing tests are used for detailed observation of the bearing failure. Double-lap pin-bearing tests are used to observe the ultimate failure of the specimens and validate the conclusions drawn from half-hole tests. The combined influences of the material orientation and the diameter-to-thickness ratio on the bearing strength are examined. Consistency of the two test configurations is discussed and the specificity of the off-axis case is analyzed. A scenario of damage leading to bearing failure is proposed, in which in plane or out-of-plane tow-kinking plays a major role. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：369 / 376
页数：8
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