Influence of laser process on mechanical behavior during cutting of carbon fiber reinforced plastic composites

Yoshihisa Harada, Mayu Muramatsu, Takayuki Suzuki, Michiteru Nishino, Hiroyuki Niino

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

Carbon fiber-reinforced plastics (CFRP) composite is most attractive materials to reduce the weight of transportations. To increase the production volume and the efficiency in the field of CFRP component, fast, highly precise and cost-efficient technologies are required. Although laser cutting meets these requirements, it is not used because of insufficient knowledge about the effect of thermal damage on the material behavior. In this study, the effect of several cutting processes on the static tensile strength and the fatigue strength was evaluated for CFRP consisting of thermoset resin matrix and carbon fibers. The CFRP was cut using two different-type of lasers; a CO2 gas laser and single-mode fiber lasers, and a conventional mechanical tool. The mechanical cutting specimen produced a cut of high quality. While, the laser cutting specimens clearly showed a heat-affected zone (HAZ). The static tensile strength and the fatigue strength by laser cutting specimens clearly decreased in comparison with mechanical cutting specimen. The laser cutting specimen exhibited a linear dependency of the tensile strength on the HAZ, indicating that the main effect resulted from thermal destruction of CFRP within the HAZ.

Original languageEnglish
Title of host publicationTHERMEC 2013
EditorsB. Mishra, Mihail. Ionescu, T. Chandra
PublisherTrans Tech Publications Ltd
Pages1518-1523
Number of pages6
ISBN (Print)9783038350736
DOIs
Publication statusPublished - 2014 Jan 1
Externally publishedYes
Event8th International Conference on Processing and Manufacturing of Advanced Materials, THERMEC 2013 - Las Vegas, NV, United States
Duration: 2013 Dec 22013 Dec 6

Publication series

NameMaterials Science Forum
Volume783-786
ISSN (Print)0255-5476
ISSN (Electronic)1662-9752

Other

Other8th International Conference on Processing and Manufacturing of Advanced Materials, THERMEC 2013
CountryUnited States
CityLas Vegas, NV
Period13/12/213/12/6

Keywords

  • CFRP
  • Fatigue
  • Fiber laser
  • Heat-affected zone
  • Laser process
  • Tensile

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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  • Cite this

    Harada, Y., Muramatsu, M., Suzuki, T., Nishino, M., & Niino, H. (2014). Influence of laser process on mechanical behavior during cutting of carbon fiber reinforced plastic composites. In B. Mishra, M. Ionescu, & T. Chandra (Eds.), THERMEC 2013 (pp. 1518-1523). (Materials Science Forum; Vol. 783-786). Trans Tech Publications Ltd. https://doi.org/10.4028/www.scientific.net/msf.783-786.1518