真空溶解したNi-AlおよびNi-Ti合金線の諸性質について

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タイトル別名
  • Various Properties of Vacuum-Melted Ni-Al and Ni-Ti Alloys Wires
  • シンクウ ヨウカイ シタ Ni-Al オヨビ Ni-Ti ゴウキンセン ノ ショ セイシツ ニ ツイテ

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抄録

Nickel alloy ingots containing aluminum up to 6% and titanium up to 7.5% respectively, were made by vacuum melting. The alloy ingots were made into 1 mm dia. and 0.5 mm dia. wires by forging and drawing. The changes in tensile strength, elongation and grain size by annealing, the tensile strength at elevated temperature, the anti-corrosion and the anti-oxidation properties were measured. It was disclosed that the tensile strength at moderate temperature of Ni-6%Al alloy and Ni-7.5%Ti alloy was larger than that of special steels and the tensile strength at elevated temperature of these alloys was larger than that of tungsten and molybdenum. The difference between the atomic radii of nickel atom and titanium atom being larger than that between the radii of nickel atom and aluminum atom, titanium addition to nickel was more effective for increasing the strength than aluminum addition. The larger the aluminum content, the slightly larger the anti-corrosion and the anti-oxidation properties, but a special behaviour was disclosed by Ni-4.5%Al alloy, namely that its anti-corrosion and anti-oxidation properties were very small. On the otherhand, the larger the titanium content, the slightly smaller the anti-corrosion property and the slightly larger the anti-oxidation property.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 23 (3), 181-184, 1959

    公益社団法人 日本金属学会

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