An experimental study on the failure of carbon/epoxy single lap riveted joints after thermal exposure

被引：27
|
作者：
Song, Min-Hwan [2 ]
Kweon, Jin-Hwe [1 ]
Kim, Sang-Kuk [2 ]
Kim, Cheol [2 ]
Lee, Tae-Joo [2 ]
Choi, Sang-Min [2 ]
Seong, Myeong-Su [1 ]
机构：
[1] Gyeongsang Natl Univ, Sch Mech & Aerosp Engn, Res Ctr Aircraft Parts Technol, Jinju 660701, Gyeongnam, South Korea
[2] Korea Aerosp Ind Ltd, Div Res & Dev, Sacheon 664802, Gyeongnam, South Korea
来源：
COMPOSITE STRUCTURES | 2008年 / 86卷 / 1-3期
基金：
新加坡国家研究基金会;
关键词：
single lap; joint; thermal exposure; strength;
D O I：
10.1016/j.compstruct.2008.03.029
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
The bearing strength of a blind riveted single lap joint of a carbon/epoxy composite after thermal exposure was Studied. Considering the maximum service temperature based on material specifications and glass transition temperature, six types of specimens were prepared and tested in accordance with ASTM D5961. Failure loads of specimens exposed to a 177 degrees C environment were above 90% compared to Sound specimens. Failure loads of 77% were obtained for specimens exposed to a 232 degrees C environment for 4 h. Bearing and rivet pulling-through failure modes were observed in all specimens. Delamination Caused by degradation of the matrix property was found in specimens exposed to temperature higher than 204 degrees C. (C) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码：125 / 134
页数：10
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