On the accuracy of monitoring inter-fibre fractures in composites using passive infrared thermography extended by microscopic analysis
On the accuracy of monitoring inter-fibre fractures in composites using passive infrared thermography extended by microscopic analysis
复制标题
利用微观分析扩展的被动红外热成像技术监测复合材料中纤维间断裂的准确性
DOI:
10.1080/10589759.2021.1874377
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发表时间:
2021
影响因子:
2.6
通讯作者:
R. Lammering
中科院分区:
文献类型:
--
作者:
M. Linke;S. Chakraborty;H. Göbel;R. Lammering
This work deals with the accuracy of a non-destructive testing methodology to monitor the evolution of inter-fibre fractures incross-ply carbon fibre-reinforced polymer laminates. Specimens are subjected to a continuous 3-point bending test. The locations of local energy releases corresponding to inter-fibre fractures are recorded during the experiment using passive infrared thermography. They are correlated to reference positions from an optical microscopic analysis in a post-processing step. The absolute difference between both positions is a measure for the accuracy of the passive infrared thermography. A correction function for the infrared data as well as criteria for the correlation and test execution are derived. The correlation allows the introduced methodology for low error localisation of inter-fibre fractures providing temporal and spatial information. The resulting temporal error is in the range of milliseconds, the spatial error in the range of microns.
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DOI:
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发表时间:
2013
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影响因子:
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DOI:
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发表时间:
2013
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