Ni-Mo合金の耐食性および機械的性質におよぼすCの影響

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タイトル別名
  • Effect of Carbon Contents 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 C ノ エイキョウ

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抄録

Effect of carbon contents on the properties of Ni-Mo alloys has been investigated by hardness, tensile, microscopic and corrosion tests. The corrosion tests were carried out on specimens in boiling 20%HCl for 24 hours. The following results have been obtained. (1) With increasing content of carbon, both the weight loss by corrosion and the hardness of solution-treated Ni-Mo alloys have been increased, but the elongation was lowered. This may be attributable to the increase of the eutectic carbide (M6C, a=11.09 Å), the amount of which increased by addition of carbon. (2) When air-cooled from annealing temperature of 700°C, the elongation decreased rapidly, and the higher the carbon contents, the more appreciably deteriorated the corrosion resistance due to the continious precipitation of M6C (a=10.92 Å) on grain boundaries.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 25 (6), 406-410, 1961

    公益社団法人 日本金属学会

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