Acoustic emission analysis of composite pressure vessels under constant and cyclic pressure

被引：77

作者：

Chou, H. Y. ^{[1
,2
]}

Mouritz, A. P. ^{[1
]}

Bannister, M. K. ^{[2
]}

Bunsell, A. R. ^{[3
]}

机构：

[1] RMIT Univ, Sch Aerosp Mech & Mfg Engn, Sir Lawrence Wackett Aerosp Res Ctr, Melbourne, Vic 3001, Australia

[2] Cooperat Res Ctr Adv Composite Struct CRC ACS, Fishermans Bend, Vic 3207, Australia

[3] Mines ParisTech, Ctr Mat, CNRS UMR 7633, F-91003 Evry, France

来源：

COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2015年 / 70卷

关键词：

Polymer-matrix composites (PMCs); Finite element analysis (FEA); Acoustic emission; REINFORCED EPOXY COMPOSITE; LOAD-TRANSFER; FIBER FAILURES; DAMAGE ACCUMULATION; FRACTURE; MICROMECHANISMS; MECHANISMS; BEHAVIOR; SENSORS;

D O I：

10.1016/j.compositesa.2014.11.027

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The use of acoustic emission (AE) for the detection of damage in carbon fibre composite pressure vessels was evaluated for constant and cyclic internal gas pressure loading conditions. AE was capable of monitoring the initiation and accumulation of damage events in a composite pressure vessel (CPVs), although it was not possible to reliably distinguish carbon fibre breakage from other microscopic damage events (e.g. matrix cracks, fibre/matrix interfacial cracks). AE tests performed on the carbon fibre laminate used as the skin of pressure vessels revealed that the development of damage is highly variable under constant pressure, with large differences in the rupture life and acoustic emission events at final failure. Numerical analysis of the skin laminate under constant tensile stress revealed that the high variability in the stress rupture life is due mainly to the stochastic behaviour of the carbon fibre rupture process. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：111 / 120

页数：10

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