NONDESTRUCTIVE EVALUATION OF SINGLE-FIBER DEBONDING IN COMPOSITES BY X-RAY REFRACTION

被引：52

作者：

HENTSCHEL, MP

HARBICH, KW

LANGE, A

机构：

[1] Federal Institute for Materials Research and Testing (BAM)

来源：

NDT & E INTERNATIONAL | 1994年 / 27卷 / 05期

关键词：

X-RAY REFRACTION; X-RAY TOPOGRAPHY; SINGLE FIBER DEBONDING;

D O I：

10.1016/0963-8695(94)90133-3

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Regarding the basic relevance of single fibre bonding for the mechanical properties of composites, relevant test methods are required. A new nondestructive method provides a fast and precise tool to determine the fraction of debonded fibres by refraction of X-rays at the interface of fibres in composites. The systematic analysis of thin walled unidirectional tapes of carbon fibres in thermoplastics results in specific characteristics of different lots. These were successfully exploited for the improvement of the processing parameters. Damage distribution and flaw detection are imaged by two-dimensional scans of X-ray refraction topography.

引用

页码：275 / 280

页数：6

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