An Infrared Thermoelastic Stress Analysis Investigation for Detecting Fiber Waviness in Composite Structures

被引：15
|
作者：
Elhajjar, Rani [1 ]
Haj-Ali, Rami [2 ]
Wei, Bo-Siou [3 ]
机构：
[1] Univ Wisconsin, Dept Civil Engn & Mech, Milwaukee, WI 53211 USA
[2] Tel Aviv Univ, Fac Engn, Sch Mech Engn, Ramat Aviv, Israel
[3] McDermott Int Inc, Subsea Dep, Houston, TX USA
来源：
POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING | 2014年 / 53卷 / 12期
关键词：
Composites; Fiber waviness; Thermoelastic stress analysis; Thermography; Wrinkles; CARBON-FIBER; COMPRESSIVE STRENGTH; BEHAVIOR; FATIGUE; THERMOGRAPHY; BOEING-787; DEFECTS; TENSION; DAMAGE;
D O I：
10.1080/03602559.2014.886116
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A full-field thermoelastic stress analysis infrared (TSA-IR) method is used to investigate the possibility of inspecting for out of plane fiber waviness in composite structures. Two different waviness profiles are generated and compared to control specimen having no anomalies. Tension and compression loading schemes are investigated and the TSA-IR emissions are compared to cross-sectional investigations. A subset of the specimens is also notched to investigate the thermal emissions from holes when compared to the waviness. The interaction of the hole and waviness shows the errors that can be introduced when using TSA-IR for quantitative analysis.
引用
收藏
页码：1251 / 1258
页数：8
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