Ni-Mo合金の耐食性および機械的性質におよぼすFeの影響

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タイトル別名
  • Effect of Fe on Corrosion Resistance and Mechanical Properties of Ni-Mo Alloys
  • Ni-Mo ゴウキン ノ タイショクセイ オヨビ キカイテキ セイシツ ニ オヨボス Fe ノ エイキョウ

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抄録

Effect of Fe (0∼10%) on the properties of Ni-Mo alloys was investigated by hardness, tensile, microscopic and corrosion tests. The following results were obtained. (1) With increasing content of Fe, both the corrosion loss and the strength of solution-treated Ni-Mo alloys increased, but the elongation lowered remarkably. (2) When air-cooled from annealing temperature of 700°C, the lower Fe contents, the more appreciably deteriorated the corrosion resistance and the elongation. This may be attributable to the procipitation of carbide on grain boundaries, the amount of which suppressed by the addition of Fe. Therefore, the minimum corrosion loss of the alloys annealed at 700°C was obtained by the consistent Fe content, which depended on the holding time at the annealing temperature. (3) With increasing content of Fe, the hardness aged at 700°C decreased, but at 850°C increased. It may be deduced that the addition of Fe to Ni-Mo alloys varys the form the precipitation of β phase at 700°C and favours the precipitation of γ phase at 850°C.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 27 (6), 293-298, 1963

    公益社団法人 日本金属学会

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