Thermal wave imaging of defects in fiber-reinforced composites

被引：0
|
作者：
Favro, LD [1 ]
Han, XY [1 ]
Thomas, RL [1 ]
机构：
[1] Wayne State Univ, Dept Phys, Detroit, MI 48202 USA
来源：
NONDESTRUCTIVE EVALUATION OF AGING AIRCRAFT, AIRPORTS, AND AEROSPACE HARDWARE II | 1998年 / 3397卷
关键词：
thermal wave imaging; nondestructive evaluation; composites;
D O I：
10.1117/12.305043
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
The principles of thermal wave imaging for NDE are described. The technique utilizes high-power photographic flash lamps for pulse-heating of the surface of the composite. The cooling of the surface is monitored by means of an infrared video camera. Disbonds, delaminations, and inclusions are seen in the resultant thermal wave images, with deeper features appearing systematically at later times. Examples of the application of thermal wave imaging to nondestructive evaluation of boron fiber composite reinforcement patches, and graphite-fiber aerospace composite materials are described.
引用
收藏
页码：129 / 134
页数：6
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