0.06%C鋼面上のW-Co鍍金層の構造について

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タイトル別名
  • The Study on the Structure of W-Co Layer Electrodeposited on 0.06%C Steel
  • 0.06 C コウメン ジョウ ノ W-Co メッキソウ ノ コウゾウ ニ ツイテ

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W-Co (45 wt%W) layer electrodeposited on 0.06%C steel underwent various heat treatments and its structure was examined by X-ray diffraction. The results obtained were as follows: (1) The deposited layer consisted of hexagonal α-Co the lattice of which was expanded by two percent. (2) The hardness of the deposit was abnormally increased at about 600°C when it was annealed in hydrogen stream. This increase is conceived to be caused by precipitation of Co3W. (3) Carburization in cracked town gas was applied to the specimen to incease its hardness and the maximum value of 1350 Hv was obtained. In this case the precipitation of WC was found to take place in β-Co. (4) The adhesion between the deposit and the substrate was considerably improved by application of an intermediate coating of Ni followed by vacuum annealing.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 23 (2), 132-134, 1959

    公益社団法人 日本金属学会

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