酒によるステンレス鋼ろう付継手の腐食

書誌事項

タイトル別名
  • Silver-Brazed Joint of Stainless Steel Corroded with Saké
  • サケ ニ ヨル ステンレス コウロウズケ ツギテ ノ フショク
  • Silver-Brazed Joint of Stainless Steel Corroded with Saké

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説明

In saké, silver-brazed joints of stainless steel have corroded preferentially at the interface of stainless steel and filler metal, thereby exfoliated at that interface. The α-Cu phase in the filler metal and sensitized grain boundary of the steel were anodic to α1-Ag phase in the filler metal. Therefore, corrosion in the interface of steel and filler metal progressed. In anodic polarization and immersion tests, it was found that copper and stainless steel were easily corroded in saké, and eluted Fe ions accelerated greatly discoloration of saké.

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