国産鉄粉より粉末圧延法で製造した薄板の顕微鏡組織

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タイトル別名
  • Microstructure of Iron Strips made from Domestic Iron Powders by the Powder Rolling Method
  • コクサン テップン ヨリ フンマツ アツエンホウ デ セイゾウ シタ ウスイタ ノ ケンビキョウ ソシキ

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抄録

Using the powder rolling method, an attempt has been made to clarify the relationship between the microstructure and the physical and mechanical properties of sintered and cold-rolled strips made from three kinds of domestic iron powders. In the case of sintered strips, the voids in strips were decreased with the increase in powder rolling load and with the decrease in particle size, but the grain size of strips was scarcely affected. The properties of sintered strips were affected mainly by the voids in strips rather than the grain size. In the case of sintered strips, the voids were diminished and the grain size of strips became finer as the powder rolling load increases and the size of powder particles becomes smaller. With the increase in purity of powder, the microstructure of strips showed more distinct polygonal structure, corresponding to the increase in apparent density and elongation of strips. The grain size of sintered strips was finer than original particle size of powder and that of cold-rolled strips was much finer than that of sintered ones. These results suggest that the high purity iron strips containing small grains can be produced by the powder rolling method.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 28 (3), 162-168, 1964

    公益社団法人 日本金属学会

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