Improvement of Impact Value of Heat Resistant Carbon Fiber Reinforced Polyimide (CFRP) by Water Absorption

被引：1
|
作者：
Yamamoto, Tatsuya [1 ]
Ebihara, Yoshihide [1 ]
Nishi, Yoshitake [1 ]
机构：
[1] Tokai Univ, Grad Sch Engn, Dept Met Engn, Hiratsuka, Kanagawa 2591292, Japan
来源：
JOURNAL OF THE JAPAN INSTITUTE OF METALS | 2010年 / 74卷 / 04期
关键词：
carbon fiber reinforced polymide (CFRP); polyimide; water absorption; Charpy impact value; ELECTRON-BEAM IRRADIATION; CHARPY IMPACT;
D O I：
10.2320/jinstmet.74.274
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Effect of water absorption on Charpy impact value has been studied for a carbon fiber reinforced polyimide (CFRP). The water absorption for 200,000 s lasting more than two clays enhanced the impact value and softened the CFRP. The impact value was 13.4% higher than that of CFRP before treatment, although it. The water absorption also enhanced Weibull coefficient (n), indicator of reproducibly, and the lowest impact value (a(s)) estimated by modified Weibull equation for safety design. Consequently, the high reliability of CFRP was confirmed even in the water absorbed envelopment.
引用
收藏
页码：274 / 278
页数：5
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