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激光同向切割单层碳纤维复合材料的温度场模拟

Temperature Field Simulation of Single Layer Carbon Fiber Reinforced Plastics in Parallel Laser Cutting

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摘要

为了揭示激光切割碳纤维复合材料(CFRP)时材料对激光能量的吸收和传递机理,分别建立了激光同向切割单丝排列CFRP的三维有限元模型、丝-束直径比例三维模型和纤维-树脂两相三维模型。模拟结果表明,随着丝-束直径比例的减小,切缝宽度从229.45 μm降至95.60 μm,热影响区(HAZ)宽度从172.08 μm降至156.79 μm。试验与模拟结果基本一致,切缝宽度和HAZ宽度的误差分别为5.97%和1.13%。

Abstract

In order to reveal the mechanism of energy absorption and transfer of materials in laser cutting of carbon fiber reinforced plastics (CFRP), a three dimensional finite element model for parallel laser cutting of single-fiber arranged CERP, a three dimensional fiber-spot diameter ratio model and a three dimensional fiber-resin double phase model are established, respectively. Numerical simulation results show that, with the decline of fiber-spot diameter ratio, the kerf width decreases from 229.45 μm to 95.60 μm, while the width of the heat affected zone (HAZ) decreases from 172.08 μm to 156.79 μm. The experimental results agree well with the simulation results, and the errors for the kerf width and the HAZ width are 5.97% and 1.13%, respectively.

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中图分类号:TN249

DOI:10.3788/lop54.041401

所属栏目:激光器与激光光学

基金项目:国家自然科学基金(51375073,51321004)

收稿日期:2016-12-06

修改稿日期:2016-12-13

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作者单位    点击查看

于冬洋:大连理工大学机械工程学院, 辽宁 大连 116024
王续跃:大连理工大学机械工程学院, 辽宁 大连 116024

联系人作者:于冬洋(1374811304@qq.com)

备注:于冬洋(1991-),男,硕士研究生,主要从事激光切割碳纤维复合材料方面的研究。

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引用该论文

Yu Dongyang,Wang Xuyue. Temperature Field Simulation of Single Layer Carbon Fiber Reinforced Plastics in Parallel Laser Cutting[J]. Laser & Optoelectronics Progress, 2017, 54(4): 041401

于冬洋,王续跃. 激光同向切割单层碳纤维复合材料的温度场模拟[J]. 激光与光电子学进展, 2017, 54(4): 041401

被引情况

【1】于冬洋,王续跃. 单层碳纤维复合材料激光多向切割的温度场模拟. 激光与光电子学进展, 2017, 54(11): 111409--1

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