Cu-Ni-P合金の時効硬化と結晶粒の大きさに及ぼすZrの影響について

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タイトル別名
  • On the Effect of Zirconium upon the Age-Hardening and Grain Size of Cu-Ni-P Alloy
  • Cu-Ni-P ゴウキン ノ ジコウ コウカ ト ケッショウリュウ ノ オオキサ ニ オヨボス Zr ノ エイキョウ ニ ツイテ

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抄録

Effect of zirconium upon the softening, ageing, grain size and micro structure of Cu-1.1%Ni-0.22%P alloy has been investigated.<BR>Age hardenability of copper alloys containing 1.0∼1.2% nickel, 0.20∼0.24% phosphor and 0.1∼0.2% zirconium are large, while grain growth is suppressed.<BR>Grain refinement of Cu-Ni-P alloys by addition of zirconium is due to the presence of precipitate containing zirconium atom.<BR>Relation among volume fraction of precipitate f, mean curvature of precipitate Ri and mean curvature of grain boundary R is given by R⁄Ri=0.15⁄f.<BR>Precipitation has been found in the alloys containing zirconium up to 0.2% at temperatures of 300° and 500°C respectively, but crystal structure of the precipitates can not be identified by X-ray diffraction technique.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 27 (9), 454-459, 1963

    公益社団法人 日本金属学会

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