MICRONIC THERMAL CHARACTERIZATIONS OF CRACKS AND INTERFACES IN COMPOSITE-MATERIALS BY PHOTOREFLECTANCE

被引：0
|
作者：
LEPOUTRE, F
FORGE, P
CHEN, FC
BALAGEAS, D
机构：
来源：
RECHERCHE AEROSPATIALE | 1994年 / 01期
关键词：
MICROSCOPY; COMPOSITES; MICROCRACKS; FRACTURES; THERMAL MEASURING INSTRUMENTS;
D O I：
暂无
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
This paper presents the theoretical and experimental possibilities of a modulated photothermal method, laser-induced photoreflectance, for inspecting the quality of interfaces with micronic spatial resolutions. An analytical model is established for semi-infinite materials containing an internal interface perpendicular to the sample surface. Applications are the detection of thermal resistances in damaged materials and at interfaces between reinforcements and matrix in composites.
引用
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页码：39 / 52
页数：14
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