Application of X-ray refraction topography to fibre reinforced plastics

被引：5
|
作者：
Rudolph, HV [1 ]
Ivers, H [1 ]
Harbich, KW [1 ]
机构：
[1] Fed Inst Mat Res & Testing, D-12205 Berlin, Germany
来源：
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2001年 / 32卷 / 3-4期
关键词：
non-destructive evaluation;
D O I：
10.1016/S1359-835X(00)00057-9
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effect of X-ray refraction employs an unconventional small angle X-ray scattering (SAXS) technique which has been developed and applied to meet actual problems for improved non-destructive characterisation of advanced materials. The X-tay refraction technique makes use of X-ray optical effects at micro interfaces of composite materials. This method reveals the inner surface and interface concentrations in nanometer dimensions due to the short X-ray wavelength near 10(-4) mum. Sub-micron crack and pore sizes are easily determined by "X-ray refractometry" without destroying the structure by cutting or polishing for microscopic techniques. The non-destructive characterisation of microfailure e.g. voids, fibre debonding, fibre cracks and microcracks of a short glass fibre reinforced polyoximethylene (POM-GF) after mechanical loading acid accelerated ageing is investigated. X-ray refraction topographs are illustrated, showing the damage accumulation of POM-GF specimens after the fatigue test. (C) 2001 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：473 / 476
页数：4
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