下釉の耐流れ性に及ぼす母材金属とミル添加ケイ石粉の大きさの影響

概要

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As factors which affect the flow resistance of ground coat glass, the type of base metal and the particle size of the silica powder which is used as mill additive were investigated. Carbon steel(SS400), ferritic stainless steel(SUS430)and austenitic stainless steel(SUS304)were used as base metals. Three types of silica powder of various average particle sizes were used as mill additives. The following results were obtained. The glass flow decreased in the order of SS400, SUS430 and SUS304. The glass flow of SUS304 decreased to approximately one-third that of SS400. The glass flow increased with increasing diffusion length of the Fe ion. A high-Cr-Concentration layer existed between the ground coat layer and the base metal in the cases of SUS430 and SUS304 base metals. The glass flow decreased with increasing average particle size of the silica powder.The glass flow of the sample with the silica powder of 139 μm average particle size decreased to approximately one-third that of the sample with silica powder of 8 μm average particle size.
社団法人日本セラミックス協会の論文
2001-08-01