Ti-Al-Co 3元合金の時効挙動と機械的性質について

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タイトル別名
  • On the Aging Behaviour and Mechanical Properties in Ti-Al-Co Alloys
  • Ti-Al-Co3ゲン ゴウキン ノ ジコウ キョドウ ト キカイテキ セイシツ ニ ツイテ

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抄録

The aging behaviour and mechanical properties in Ti-2∼8 pct.Al-2∼8 pct.Co were investigated by tensile test, hardness measurement, microscopic observation and X-ray diffraction techniques. The results obtained were as follows: (1) The quenched β phase of Ti-Al-Co alloys is hardened by aging treatment. The age-hardening is maintained for long period in alloys containing large quantities of Al and Co. (2) Some specimens quenched and aged have excellent tensile properties. The tensile properties of aged specimens are influenced markedly by quenching temperature. (3) At aging, the extinction process of β phase in specimens containing β phase only is dissimilar to that in specimens containing α+β phase. The difference of the process is considered to be due to the difference of the nucleation and growth process of α phase.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 26 (4), 224-228, 1962

    公益社団法人 日本金属学会

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