Effect of ply scheme on ablation characteristics of carbon fiber composites under CW laser irradiation

Pengyu Nan; Xiao Li; Zhonghua Shen; Xiaowu Ni

doi:10.1117/12.2524089

29 March 2019 Effect of ply scheme on ablation characteristics of carbon fiber composites under CW laser irradiation

Pengyu Nan, Xiao Li, Zhonghua Shen, Xiaowu Ni

Proceedings Volume 11046, Fifth International Symposium on Laser Interaction with Matter; 110460U (2019) https://doi.org/10.1117/12.2524089
Event: Fifth International Symposium on Laser Interaction with Matter, 2018, Changsha, China

Abstract

The irradiation effects are studied, of continuous wave (CW) laser on five types of laminated carbon fiber composites (CFRP), [0/90/0/90], [0/90/90/0], [0/45/90/135], 1.5K-Textile ([1.5K/0°/90°/1.5K]) and 3K-Textile ([3K/0°/3K]). The ply scheme of CFRP is especially considered in the proposed 3D model. The numeirical results show that the structure of CFRP has significant influences on the temperature evolution and the heat affect zone (HAZ). The non-monotonic temperature rising at the material surface exposed to the laser radiation are associated with the heat flux in the laminated structure. The HAZ in the adjacent layers is discontinuous. The pyrolysis inside the CFRP is more serious than the one on the laser irradiation surface. The numerical predictions indicate that the material with [0/45/90/135] has the optimum thermal insulation performance. This kind of ply scheme could promote lateral heat transfer and weaken longitudinal heat transfer. 3K-Textile has optimal ablation resistance. It is associated with the 3K-Textile layer having the maximum longitudinal thermal conductivity.

Citation Download Citation

Pengyu Nan, Xiao Li, Zhonghua Shen, and Xiaowu Ni "Effect of ply scheme on ablation characteristics of carbon fiber composites under CW laser irradiation", Proc. SPIE 11046, Fifth International Symposium on Laser Interaction with Matter, 110460U (29 March 2019); https://doi.org/10.1117/12.2524089

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