Accelerated weathering effects on the mechanical and surface properties of CFRP composites

被引：13
|
作者：
Aldajah, Saud [1 ]
Al-omari, Ammar [1 ]
Biddah, Ashraf [1 ]
机构：
[1] United Arab Emirates Univ, Dept Engn Mech, Al Ain, U Arab Emirates
来源：
MATERIALS & DESIGN | 2009年 / 30卷 / 03期
关键词：
Carbon fiber reinforced plastics - Weathering;
D O I：
10.1016/j.matdes.2008.05.017
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This study provides data regarding the characteristics of three carbon fiber reinforced polymer (FRP) systems with three types of resins exposed to accelerated natural weathering conditions according to ASTM G-154-00a for 1000 h. The FRP system consists of three-layered CFRP sheets bonded together with an adhesive. Degussa, Sika and Fosroc were the providers of the three FRP systems. Three-point bend testing according to ASTM D790 showed that ultra-violet (UV) light exposure decreased the flexural modulus of the three-layered FRP samples by 10%, 36% and 2% for Deagussa, Fosroc and Sika samples, respectively. While the reduction for the resin samples was 11.8%, 8.3% and 14.3% for Deagussa, Fosroc and Sika samples, respectively. SEM analysis showed cracking and deterioration in the resin and FRP systems as a result of the exposure to natural weathering. (C) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码：833 / 837
页数：5
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