Enhanced 2D finite element model and its application in laser cutting of carbon fiber reinforced plastic composites

被引：3
|
作者：
Lu, Y. A. O. [1 ,2 ]
Gao, P. E. I. Y. I. N. G. [3 ]
Xu, J. I. A. N. A. N. [1 ]
Wang, Y. A. N. G. [3 ]
Yang, L. I. J. U. N. [3 ]
机构：
[1] Harbin Engn Univ, Coll Mech & Elect Engn, Harbin 150001, Peoples R China
[2] Univ Alberta, Dept Elect & Comp Engn, Edmonton, AB 619, Canada
[3] Harbin Inst Technol, Sch Mechatron Engn, Harbin 150001, Peoples R China
来源：
APPLIED OPTICS | 2022年 / 61卷 / 28期
关键词：
NUMERICAL-SIMULATION; CFRP; PREDICTION; PROPERTY; STRENGTH;
D O I：
10.1364/AO.472141
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A tailored 2D finite element model (FEM) is proposed to describe the temperature distribution and stress distribution by the UV nanosecond pulsed laser cutting of carbon fiber reinforced plastic (CFRP) composites. This model coupled thermodynamic and thermal stress and considers the heat conduction, thermal stress, and heat flux effects during the UV laser cutting of CFRP composites. In this study, the main mechanism of UV laser cutting of CFRP is elucidated, such as pressure gradient, plasma, and vaporization effects. The temperature field and stress field in a single pulse period are successfully simulated based on these theoretical models. We believe that this research will supply a theoretical reference for the UV laser cutting of CFRP composites and pave the way for applications in the aerospace industry in the future. (c) 2022 Optica Publishing Group
引用
收藏
页码：8533 / 8539
页数：7
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