CO2 laser cutting of a carbon/carbon multi-lamelled plain-weave structure

F. A. Al-Sulaiman; B. S. Yilbas; M. Ahsan

doi:10.1016/j.jmatprotec.2005.12.004

CO₂ laser cutting of a carbon/carbon multi-lamelled plain-weave structure

F. A. Al-Sulaiman
, B. S. Yilbas^*
, M. Ahsan

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

75 Scopus citations

Abstract

Laser cutting of composite structure consisting of 64 layers of plain-weave carbon/carbon fibers with 0° orientation is carried out. The influence of laser power on the kerf size is examined experimentally as well as analytically. The scale law analysis is introduced to predict the kerf width. The striation formation on the kerf edges is examined using a scanning electron microscopy (SEM). It is found that kerf width size increases with increasing laser power intensity. The orientation of the carbon fiber axis relative to the axis of workpiece movement during cutting has significant effect on the kerf size. Use of nitrogen as assisting gas suppresses the oxidation reactions taking place in the cutting section. This, in turn, minimizes the side ways burning and edge irregularities in the cutting section.

Original language	English
Pages (from-to)	345-351
Number of pages	7
Journal	Journal of Materials Processing Technology
Volume	173
Issue number	3
DOIs	https://doi.org/10.1016/j.jmatprotec.2005.12.004
State	Published - 20 Apr 2006

Bibliographical note

Funding Information:
The authors acknowledge the support of King Fahd University of Petroleum and Minerals Dhahran Saudi Arabia due to analytical tools for material characterization, and Karmetal due to laser cutting process.

Keywords

Carbon/carbon fibers
Cutting
Kerf width size

ASJC Scopus subject areas

Ceramics and Composites
Computer Science Applications
Metals and Alloys
Industrial and Manufacturing Engineering

Access to Document

10.1016/j.jmatprotec.2005.12.004

Cite this

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title = "CO2 laser cutting of a carbon/carbon multi-lamelled plain-weave structure",

abstract = "Laser cutting of composite structure consisting of 64 layers of plain-weave carbon/carbon fibers with 0° orientation is carried out. The influence of laser power on the kerf size is examined experimentally as well as analytically. The scale law analysis is introduced to predict the kerf width. The striation formation on the kerf edges is examined using a scanning electron microscopy (SEM). It is found that kerf width size increases with increasing laser power intensity. The orientation of the carbon fiber axis relative to the axis of workpiece movement during cutting has significant effect on the kerf size. Use of nitrogen as assisting gas suppresses the oxidation reactions taking place in the cutting section. This, in turn, minimizes the side ways burning and edge irregularities in the cutting section.",

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note = "Funding Information: The authors acknowledge the support of King Fahd University of Petroleum and Minerals Dhahran Saudi Arabia due to analytical tools for material characterization, and Karmetal due to laser cutting process. ",

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AU - Al-Sulaiman, F. A.

AU - Yilbas, B. S.

AU - Ahsan, M.

N1 - Funding Information: The authors acknowledge the support of King Fahd University of Petroleum and Minerals Dhahran Saudi Arabia due to analytical tools for material characterization, and Karmetal due to laser cutting process.

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N2 - Laser cutting of composite structure consisting of 64 layers of plain-weave carbon/carbon fibers with 0° orientation is carried out. The influence of laser power on the kerf size is examined experimentally as well as analytically. The scale law analysis is introduced to predict the kerf width. The striation formation on the kerf edges is examined using a scanning electron microscopy (SEM). It is found that kerf width size increases with increasing laser power intensity. The orientation of the carbon fiber axis relative to the axis of workpiece movement during cutting has significant effect on the kerf size. Use of nitrogen as assisting gas suppresses the oxidation reactions taking place in the cutting section. This, in turn, minimizes the side ways burning and edge irregularities in the cutting section.

AB - Laser cutting of composite structure consisting of 64 layers of plain-weave carbon/carbon fibers with 0° orientation is carried out. The influence of laser power on the kerf size is examined experimentally as well as analytically. The scale law analysis is introduced to predict the kerf width. The striation formation on the kerf edges is examined using a scanning electron microscopy (SEM). It is found that kerf width size increases with increasing laser power intensity. The orientation of the carbon fiber axis relative to the axis of workpiece movement during cutting has significant effect on the kerf size. Use of nitrogen as assisting gas suppresses the oxidation reactions taking place in the cutting section. This, in turn, minimizes the side ways burning and edge irregularities in the cutting section.

KW - Carbon/carbon fibers

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KW - Kerf width size

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