A Study on Large Area Laser Cutting of High Strength Laminated Fiber Composites

Yiyu, 沈一愚 Shen; Zhaohua, 姜兆华 Jiang; Jun, 陈俊 Chen; Yong, 潘涌 Pang; Gongxu, 骆公序 Luo; Zaimin, 汤在敏 Tang; Boyan, 安博言 An

doi:10.3788/al20123203.0188

应用激光

2012

DOI: 10.3788/al20123203.0188

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A Study on Large Area Laser Cutting of High Strength Laminated Fiber Composites

沈一愚 Shen Yiyu¹,

姜兆华 Jiang Zhaohua²,

陈俊 Chen Jun³

et al.

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2014

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Study on UV Laser Cutting Carbon Fibre Reinforced Composites

Hou

Zhang³

et al. 2014

AMM

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Obtaining narrower kerf and smaller heat affected zone (HAZ) is a difficulty in laser cutting carbon fiber reinforced plastic (CFRP) composites. In order to solve this problem, the experiments used a semiconductor UV laser to cut CFRP have been done and how laser parameters (include pulse power, repetition frequency, cutting speed and direction) influent the width and HAZ of kerf have been achieved. In the meantime, compared with infrared laser cutting CFRP, the quality of CFRP cut by different wavelength laser has been investigated. The results show that owing to CFRP has the characteristic of anisotropy, laser cutting direction is the most significant factor that affects the quality of kerf cut by UV laser. The study also found that owing to high single photon energy, the narrower kerf and smaller HAZ around kerf can be get by UV laser cutting CFRP, nevertheless, it can’t be achieved by infrared laser cutting CFRP.

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Study on UV Laser Cutting Carbon Fibre Reinforced Composites

Hou

Zhang³

et al. 2014

AMM

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Study on Laser Cutting Carbon Fibre Reinforced Composites

Hou

Chen³

et al. 2014

MSF

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In order to solve the problem that delamination and bur will be easily produced in the process of the carbon fiber reinforced plastic (CFRP) composites, the cutting experiment of CFRP machined by pulsed Nd:YAG laser has been carried out. In the meantime, this paper investigates the mechanism of interaction between infrared laser and CFRP composite material and the quality of kerf influenced by different laser parameters and cutting directions. The study found that choosing appropriate laser parameters and cutting direction are effective means to get smaller heat affected zone (HAZ). This paper analysis the cross section morphology of kerf .The results show that the cross section does not appear stratified phenomenon and the surface is smooth, so the feasibility that infrared laser can be used to cut CFRP composites is verified.

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A Study on Large Area Laser Cutting of High Strength Laminated Fiber Composites

Cited by 2 publications

References 0 publications

Study on UV Laser Cutting Carbon Fibre Reinforced Composites

Study on UV Laser Cutting Carbon Fibre Reinforced Composites

Study on Laser Cutting Carbon Fibre Reinforced Composites

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