A Study on Statistical Characteristics of Fatigue Life of Carbon Fiber Composite

被引：3
|
作者：
Joo, Young-Sik [1 ]
Lee, Won-Jun [1 ]
Seo, Bo-Hwi [1 ]
Lim, Seung-Gyu [1 ]
机构：
[1] Agcy Def Dev, Daejeon, South Korea
来源：
JOURNAL OF THE KOREAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES | 2019年 / 47卷 / 01期
关键词：
Durability and Damage Tolerance; Sendeckyj Model; Weibull Distribution;
D O I：
10.5139/JKSAS.2019.47.1.35
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
The objective of this paper is to identify the fatigue properties of carbon-fiber composite which is widely applied for the development of aircraft structures and obtain data for full-scale fatigue test. The durability and damage tolerance evaluation of composite structures is achieved by fatigue tests and parameters such as fatigue life factor and load enhancement factor. The specimens are made with carbon-fiber/epoxy UD tape and fabric prepreg. Fatigue tests are performed with several stress ratios and lay-up patterns. The Weibull shape parameters are analyzed by Sendeckyj model and individual fatigue lives with Weibull distribution. And the fatigue life factor and load enhancement factor considering reliability are evaluated.
引用
收藏
页码：35 / 40
页数：6
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