Impact damage and hygrothermal effects on fatigue bending strength of orthotropy composite laminates

被引：13
|
作者：
Im, KH [1 ]
Sun-Kyu, K
Yang, IY
机构：
[1] Chosun Univ, Factory Automat Res Ctr Parts Vehicles, Dong Gu, Kwangju 501759, South Korea
[2] Iksan Natl Coll, Dept Automobile Engn, Iksan Chollabukdo 570110, South Korea
[3] Chosun Univ, Sch Mech Engn, Kwangju 501759, South Korea
[4] Chosun Univ, Factory Automat Res Ctr Parts Vehicles, Dong Gu, Kwangju 501759, South Korea
来源：
KSME INTERNATIONAL JOURNAL | 1999年 / 13卷 / 07期
关键词：
hygrothermals; moisture absorbtion content; foreign object damages (FOD); impact damages; carbon-fiber reinforced plastics (CFRP); impact energy; residual fatigue bending strength;
D O I：
10.1007/BF03186443
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
This paper focuses on fracture mechanisms experimentally based on the scanning acoustic microscope (SAM) when subjected to impact damages, i. e., foreign object damages (FOD), and also on the influence of impact damages and hygrothermals on residual fatigue bending strength of CFRP laminates. Composite laminates used in the experiments are CF/Epoxy orthotropy laminated plates, [0(4)/90(4)](s). A steer ball launched by an air gun impacts on CFRP laminates to generate impact damages. Bending fatigue rests are periodically interrupted for a nondestructive evaluation (NDE) measurement of the progressive damages to build the fracture mechanism based on impact damages, and three-point fatigue bending tests are carried out to investigate the influence of hygrothermals on the effect of the residual bending fatigue strength of CFRP laminates.
引用
收藏
页码：524 / 535
页数：12
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