メカニカルグラインディングしたNi基複合粉末による鋳鉄への表面被覆層形成

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タイトル別名
  • Formation of Surface Coating with Mechanically Ground Ni Matrix Composite Powder on Iron Castings
  • メカニカルグラインディング シタ Niキ フクゴウ フンマツ ニ ヨル チュウテツ エ ノ ヒョウメン ヒフクソウ ケイセイ

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抄録

  The coating on iron castings was prepared using mechanically ground (MG) composite powder consisting of Ni powder and low melting point Ni-P powder as the coating powder with no segregation of the compositions on the mold. Several properties of the coated iron castings obtained were tested. The main results are as follows :<br>(1) Only when the MG time exceeds 36ks, the composite powder becomes even, and use of this powder produces a coating with no segregation of Ni and P. <br>(2) Compared with mixed powder, the composite powder dissolves the castings less. This enable the formation of a Ni rich coating layer with smaller amounts of powder in 10 mm thin castings. This coating showed good performance in salt spray corrosion test.

収録刊行物

  • 鋳造工学

    鋳造工学 72 (10), 652-656, 2000

    公益社団法人 日本鋳造工学会

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