Ni-Al<SUB>2</SUB>O<SUB>3</SUB>型分散強化合金の機械的性質に対する組織と加工の影響

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タイトル別名
  • Structures and Effect of Cold Working on the Creep Rupture Properties of Dispersion Strengthened Ni-Al<SUB>2</SUB>O<SUB>3</SUB> Alloys
  • Ni-Al2O3型分散強化合金の機械的性質に対する組織と加工の影響
  • Ni-Al2O3ガタ ブンサン キョウカ ゴウキン ノ キカイテキ セイシツ ニ タイスル ソシキ ト カコウ ノ エイキョウ

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In Nickel-Alumina dispersion strengthened alloys produced by hot extrusion, [100] fiber texture are formed to the extrusion direction.<BR>With the increase of the alumina content in nickel, the fiber texture of the extruded specimens becomes more stable at high temperature annealing.<BR>Creep resistance at a high temperature was controlled by the stable structure due to dispersion strengthening and by the stored energy during the working process of alloys, and the extruded specimens improved by cold work showed more strength. Dependence of the steady state creep rate on stress at 800°C was influenced by the dispersion state of particles and by working, and then the steady-state creep rate for some specimens was proportionate to about 12 power of stress.

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  • 日本金属学会誌

    日本金属学会誌 28 (6), 334-340, 1964

    公益社団法人 日本金属学会

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