含銅クローム鑄鉄の製造に關する硏究

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書誌事項

タイトル別名
  • Study on the Manufacture of Cu-Cr Cast Iron
  • 含銅クローム鑄鉄の製造に関する研究
  • ガン ドウ クローム チュウテツ ノ セイゾウ ニ カンスル ケンキュウ

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抄録

  Generally Ni or Cr is used to improve the mechanical properties-especially the property of resisting wear- of cast iron products.</br>  We performed a few experiments on the cast irons of Cu and Cu-Cr which have the nearlly same properties to that of a cast iron with Ni, because the supply of Ni is decreased recently and also we must cut down the production cost. The results of the experiments are as follows:</br>  (1) The graphitization of Cu is weaker than that of Ni.</br>  (2) There is no segregation of Cu up to about 2%.</br>  (3) Copper reduces its fluidity, but there is no great influence at the casting temperature about 1350°C.</br>  (4) The mechanical properties of them are equal to that of Ni-Crcast iron.</br>  (5) Like a Ni-Cr cast iron, the micro-structure of a Cu-Cr cast iron makes its pearlite fine.</br>  We used them for a dryer-gear in conformity with these actual results. The results of them are as follows.</br>  (1) As for a mould or a design, they are as good as a Ni-Cr cast iron.</br>  (2) The blow hole does not arise in products and the castability is good.</br>  (3) The machinability is good.

収録刊行物

  • 鋳物

    鋳物 23 (4), 1-9, 1951

    公益社団法人 日本鋳造工学会

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