Formation of Fusion Zone Produced by Ruby Laser

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概要

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• The laser welding process is investigated, which is conducted by a single pulse of the ruby laser of the average power density 2.5×10^5 W/cm^2, using SUS 304 specimen of 0.30 mm in thickness. Especially the behavior of molten metal during the process is examined through photoelectric observation, so that a model as to the process is built up, which is also consistent with the metallographic section profile of the processed zone (weld). The formation of the fusion zone passes through the following process : a piercing hole is formed in the weld immediately after laser irradiation starts, then molten metal develops, and the growth of the fusion zone begins before laser irradiation terminates.

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著者

• Miyazaki Toshiyuki

  The Institute Of Physical And Chemical Research

• YOSHIOKA Shunro

  Chiba Institute of Technology

• MIYABE Hajimu

  Chiba Institute of Technology

関連論文

• Formation of Fusion Zone Produced by Ruby Laser

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