Study on the sensitivity of temperature to laminated structure under laser irradiation of CFRPs

SUN Jiaxin; CHEN Zhongquan; YANG Xinrui; NAN Pengyu; SHEN Zhonghua

doi:10.7510/jgjs.issn.1001-3806.2021.03.002

LASER TECHNOLOGY > 2021 > 45(3): 280-285. > DOI: 10.7510/jgjs.issn.1001-3806.2021.03.002

SUN Jiaxin, CHEN Zhongquan, YANG Xinrui, NAN Pengyu, SHEN Zhonghua. Study on the sensitivity of temperature to laminated structure under laser irradiation of CFRPs[J]. LASER TECHNOLOGY, 2021, 45(3): 280-285. DOI: 10.7510/jgjs.issn.1001-3806.2021.03.002

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Study on the sensitivity of temperature to laminated structure under laser irradiation of CFRPs

School of Science, Nanjing University of Science and Technology, Nanjing 210094, China

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Received Date: July 07, 2020
Revised Date: September 03, 2020
Published Date: May 24, 2021

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Abstract

In order to study the influence of laminated structures of carbon fiber reinforced polymer (CFRP) on the temperature under continuous wave (CW) laser irradiation, the ablation processes of five typical laminated CFRPs irradiated by CW laser were simulated by using finite element software COMSOL. The temperature distribution and evolution of five typical laminated composites were obtained by the temperature deviation of the material surface. Meanwhile, based on analyzing the overall temperature distribution of the materials statistically, the variations of the temperature uniformity of the materials with the laser irradiation time were obtained. The results show that the surface temperature near the edge of the spot is most sensitive to the laminated structure in unidirectional ply CFRPs and the temperature curve is non-monotonic. Moreover, the temperature uniformity of CFRP with 45° angle laminated structure is the best in the five types. The results of this work can be referenced for the study of thermomechanics damage of CFRP induced by laser.
- laser technique,
- temperature evolution,
- the ablation model,
- carbon fiber reinforced polymer,
- laminated structure

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