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Joining of SiC Ceramics by the Flash-Bonding Technique
Department of Life Environment and Applied Chemistry, Fukuoka Institute of Technology, Fukuoka, Japan
Department of Life Environment and Applied Chemistry, Fukuoka Institute of Technology, Fukuoka, Japan
Department of Life Environment and Applied Chemistry, Fukuoka Institute of Technology, Fukuoka, Japan
- 1 Department of Life Environment and Applied Chemistry, Fukuoka Institute of Technology, Fukuoka, Japan
- 2 Department of Life Environment and Applied Chemistry, Fukuoka Institute of Technology, Fukuoka, Japan
- 3 Department of Life Environment and Applied Chemistry, Fukuoka Institute of Technology, Fukuoka, Japan
Journal of Materials Science and Chemical Engineering·Volume 08 (2020)·Pages 52–65·Published 5 March 2020·DOI10.4236/msce.2020.83004
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Abstract
Because Silicon carbide (SiC) ceramics have various excellent properties, the demand for larger and complicated shapes has been increasing. This paper introduces an innovative method that would not require a large furnace, and further, would minimize the production cost and the thermal history, namely the “flash-bonding” technique. The borosilicate glass with low thermal expansion coefficient, Pyrex glass, was selected as the brazing material. In this work, as-is or surface-oxidized SiC plates were joined using Pyrex glass as brazing material, and the reaction and wetting of Pyrex glass on as-is or surface-oxidized SiC plate were investigated. It was found that the protective film of the surface-oxidized SiC lowered the oxygen partial pressure, and hence, generated many pores in the interface.
KeywordsSilicon CarbideJoiningFlash-BondingBorosilicate Glass
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