In-situ characterization of impact damage in carbon fibre reinforced polymers using infrared thermography

被引：16
作者：
Popow, Vitalij [1 ]
Vogtmann, Julia [1 ]
Gurka, Martin [1 ]
机构：
[1] Leibniz Inst Verbundwerkstoffe GmbH, Erwin Schrodinger Str 58, D-67663 Kaiserslautern, Germany
来源：
INFRARED PHYSICS & TECHNOLOGY | 2022年 / 122卷
关键词：
infrared thermography; passive thermography; impact testing; quantification; carbon fiber; composite; LOW-VELOCITY IMPACT; NONDESTRUCTIVE EVALUATION; ACOUSTIC-EMISSION; CFRP; COMPOSITES;
D O I：
10.1016/j.infrared.2022.104074
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Passive Infrared Thermography (pIRT) was evaluated for its capability for in situ monitoring of impact events in thin-walled fiber reinforced polymer composites. Low velocity impact events with low impact energy lead to barely visible, or even invisible from the outside damages in fiber reinforced polymer composites, severly limiting its light weight construction potential. A new method for evaluation of thermograms of pIRT in the frequency domain is proposed to gain insight in the dynamic of crack formation as well as precise quantification of damage extent in situ during impact testing. Results on aircraft grade carbon fiber reinforced composites illustrates the potential of this method.
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页数：13
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