Al合金の歪時効硬化について

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書誌事項

タイトル別名
  • Strain Age-Hardening of Al Alloys
  • Al ゴウキン ノ ワイ ジコウ コウカ ニ ツイテ

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抄録

The strain age-hardening of Al-Cu, Al-Mg and Al-Si alloys was studied and the results obtained are summarized as follows. (1) The hardening is generally similar in its characteristics to those of carbon steels, copper solid solution alloys and austenitic steels, although its degree is appreciably small. (2) In an Al-4.9%Cu alloy solution-treated and aged, the strain age-hardening and the inelastic effect are less marked in fully age-hardened than in overaged specimens, the difference being probably due to the fact that dislocations pass through the GP zones, while, the θ′ and θ particles act as a barrier against dislocations, forming a large number of pile-up dislocations. (3) The strain age-hardening is generally remarkable only in such an alloy as exhibiting a high rate of work hardening and a marked broadening of X-ray line or, in other words, a high density of dislocations after cold-working, these being generally lower in aluminium alloys.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 26 (8), 479-484, 1962

    公益社団法人 日本金属学会

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