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New developments in glazing for a better use of solar energy in buildings
Dr. Andreas Gombert
Concentrix Solar GmbH
Library Article
New Method To Strengthen Glass Edges By Co2 Laser Irradiation
Yoshinori Akamatsu, Mizuki Nishi & Kentaro Tsutsumi
Central Glass Co., Ltd.
A new method to strengthen glass edges by CO2 laser irradiation was investigated. Several methods of glass edges processing by CO2 laser have been reported. However, these methods need preliminary heating of glass substrates to avoid from thermal fracture, which was caused by large temperature difference between an irradiated edge and surrounding area.
We found a promising way to make glass edges round by irradiating CO2 laser without any preliminary heating. The 4-point bending strength of the glass with processed edges by this method showed similar to that of a glass with clean-cut edges.
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Full-Text Article [236 KB] |
The Authors
Mr. Yoshinori Akamatsu
group leader of R&D activities Central Glass Co. Ltd Yoshinori Akamatsu is working at Glass Research Center, Central Glass Co., Ltd. for 16 years since 1989. He is now a group leader of R&D activities on functional films for automotive windows by wet co... |
Dr. Mizuki Nishi
Staff Engineer Central Glass Co. Ltd. Mizuki Nishi is a Research Engineer at Glass research center, Central Glass. Co., Ltd. His past publication is Experimental study of glass strength against shock wave loading, J. Ceram. Soc. Jpn(2003)... |
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