Journal
COMPOSITES SCIENCE AND TECHNOLOGY
Volume 68, Issue 7-8, Pages 1616-1623Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compscitech.2008.02.031
Keywords
fatigue; non-crimp fabrics; plate acoustic waves
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The aim of this paper is to show the possibility of fatigue damage characterization in GFRP-tube-like components by using circumferential plate waves. For that purpose, fatigue tests with different loading directions have been conducted and the stiffness degradation has been monitored. After a preset number of loading cycles, non-destructive ultrasonic tests using circumferential plate waves were performed. The correlation between damage induced amplitude changes of the plate waves and stiffness degradation in non-crimped fabric composites is discussed. The results indicate that the technique is applicable to fatigue damage assessment in complex-shaped components of composite materials and is relevant to a wide field of applications. (c) 2008 Elsevier Ltd. All rights reserved.
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