アンモニア性クエン酸塩浴からの鉄族金属-Wめっきの電析挙動とその皮膜特性

DOI Web Site Web Site 被引用文献1件 参考文献34件

書誌事項

タイトル別名
  • Electrodeposition Behavior and Properties of Iron-group Metal Alloys with W from Ammoniacal Citrate Baths
  • 表面処理・腐食 アンモニア性クエン酸塩浴からの鉄族金属-Wめっきの電析挙動とその皮膜特性
  • ヒョウメン ショリ フショク アンモニアセイ クエン サンエンヨク カラ ノ テツゾク キンゾク Wメッキ ノ デンセキキョドウ ト ソノ ヒマク トクセイ

この論文をさがす

抄録

Electrodeposition behavior of iron-group metal alloys with W was studied in ammoniacal citrate baths of various compositions at 50°C under galvanostatic conditions. The wear and corrosion resistances of iron-group metal alloys with W were also investigated by sliding wear test of ring-on-plate type at 300°C and dipping test in HNO3, H2SO4 and HF solutions. The results obtained were as follows:<BR>(1) The relationship between the alloy composition and the cathode current efficiency showed the existence of two characteristic alloy compositions, i.e., the one appeared at a maximum partial current efficiency of W and the other corresponded to the limiting W content.<BR>(2) Electrodeposition behavior of iron-group metal alloys with W was explainable by the mechanism that the intermediate W4+ oxide electrochemically formed was reduced by atomic hydrogen held on freshly deposited iron-group metals.<BR>(3) The wear resistance of iron-group metal alloys with W was improved with increasing W content in the deposit and showed the best performance at 3040 mass% W. When W content in the deposit was high, hardness of the film was increasaed to prevent adhesive wear between the film and press ring. Hardening of the film due to the frictional heat also seemed to be contributed to the improvement of wear resistance.<BR>(4) The corrosion resistances of the films were improved with increasing W content in the deposit, especially in HNO3 solutions.

収録刊行物

  • 鉄と鋼

    鉄と鋼 86 (2), 116-122, 2000

    一般社団法人 日本鉄鋼協会

被引用文献 (1)*注記

もっと見る

参考文献 (34)*注記

もっと見る

キーワード

詳細情報 詳細情報について

問題の指摘

ページトップへ