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Proceedings Paper

Applications of excimer lasers for machining of fiber-reinforced plastics
Author(s): Mikio Mori; Yoichi Kemmochi; Shigeru Yamaguchi; Kazuo Sekine
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Paper Abstract

Machining characteristics of Fiber Reinforced Plastics (FRPs) using excimer laser have been examined at three wavelengths 193 (ArF), 248 (KrF), and 308 (XeCl) nm in the fluence ranges up to 80 J/cm2. At 308 nm, a maximum removal rate was measured to be as high as 15 micrometers /pulse for the plastics with glass fiber and epoxy matrix (glass/epoxy). Irrespective of fibers and matrix materials, removal rates increased with applying a longer laser wavelength. Complementary studies were also conducted on glass/epoxy at 308 nm to examine the effect of purge gases (He, N2, Ar) to the irradiated area. It was found that Ar and N2 were effective for improvement of the kerf quality and reduction of sooty debris around the irradiated area.

Paper Details

Date Published: 25 May 1994
PDF: 5 pages
Proc. SPIE 2118, Gas, Metal Vapor, and Free-Electron Lasers and Applications, (25 May 1994); doi: 10.1117/12.176669
Show Author Affiliations
Mikio Mori, Ishikawajima-Harima Heavy Industries Co., Ltd. (Japan)
Yoichi Kemmochi, Ishikawajima-Harima Heavy Industries Co., Ltd. (Japan)
Shigeru Yamaguchi, Ishikawajima-Harima Heavy Industries Co., Ltd. (Japan)
Kazuo Sekine, Ishikawajima-Harima Heavy Industries Co., Ltd. (Japan)


Published in SPIE Proceedings Vol. 2118:
Gas, Metal Vapor, and Free-Electron Lasers and Applications
Vern N. Smiley; Frank K. Tittel, Editor(s)

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