Damage detection in CFRP by coupling acoustic emission and infrared thermography

被引：119
作者：
Munoz, V. [1 ]
Vales, B. [1 ]
Perrin, M. [2 ]
Pastor, M. L. [2 ]
Welemane, H. [1 ]
Cantarel, A. [2 ]
Karama, M. [1 ]
机构：
[1] Univ Toulouse, LGP, INP ENIT, Tarbes, France
[2] IUT Tarbes, Inst Clement Ader, Dept GMP, F-65016 Tarbes, France
来源：
COMPOSITES PART B-ENGINEERING | 2016年 / 85卷
关键词：
Carbon fibre; Thermomechanical; Acoustic emission; Thermal analysis; COMPOSITES; MECHANISMS; EVOLUTION; BEHAVIOR; MATRIX; EPOXY;
D O I：
10.1016/j.compositesb.2015.09.011
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Acoustic emission (AE) and infrared thermography (IT) are simultaneously combined to identify damage evolution in carbon fibre reinforced composites. Samples are subjected to tensile static loads while acoustic emission sensors and an infrared camera record the acoustic signals and the temperature variations respectively. Unsupervised pattern recognition procedure is applied to identify damage mechanisms from acoustic signals. Thermodynamic arguments are introduced to estimate global heat source fields from thermal measurements and anisotropic heat conduction behavior is taken into account by means of homogenization technique. A spatial and time analysis of acoustic events and heat sources is developed and some correlation range in the AE and IT events amplitude are identified. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：68 / 75
页数：8
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