非晶質合金中の擬弾性的構造欠陥の濃度とクリープ変形による配向

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タイトル別名
  • The Concentration of Anelastic Structural Defects in Metallic Glass and Their Polarization by Creep Deformation
  • ヒショウシツ ゴウキンチュウ ノ ギダンセイテキ コウゾウ ケッカン ノ ノウ

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抄録

The effect of annealing and creep deformation on the internal friction of metallic glass wire Pd77.5Cu6Si16.5 was investigated by the inverted torsion pendulum method. It was found that after an extended period of annealing, the glass reaches an internal pseudo-equilibrium state with respect to the internal friction which is a function of the annealing temperature.<BR>Cold rolling of the metallic glass ribbon Fe32Ni36Cr14P12B6 gives no change in the internal friction. And the tensile creep along the wire axis also causes no change in the internal friction of the metallic glass. On the other hand, the torsional creep results in a remarkable increase in the strength of internal friction, and the increased value decreases to the initial level with the recovery of torsional strain by additional annealing. To explain the change in the internal friction with the annealing temperature and tortional creep, a model of anelastic structural defects in the metallic glass is proposed.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 51 (4), 271-277, 1987

    公益社団法人 日本金属学会

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