銅ジルコニウム合金の時効硬化について

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タイトル別名
  • On the Age-hardening of Copper Alloys Containing Zirconium
  • ドウ ジルコニウム ゴウキン ノ ジコウ コウカ ニ ツイテ

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The influences of various conditions on the aging effects of Cu-Zr binary alloys, such as quenching and aging temperatures, the amount of zirconium as an alloying element and degrees of cold work, have been studied. Zirconium contents of these alloys were in the range of 0.1∼1.0% and the specimens were always melted in vacuum and air. The results are summarised as follows: (1) The higher the quenching temperature is, the better the aging effects are. The quenching temperature in practice lies between 950°C and 970°C. (2) In the aging-treatments for 1 hr at testing temperatures, maximum values of hardness and electrical conductivity apear at 550°C and 600°C respectively. (3) The aging effects are remarkable in alloys cold-worked by more than 60%. (4) The alloys that contain 0.2∼0.3% zirconium have excellent electrical and mechanical properties. (5) The preciptation in Cu-Zr alloys begins at about 550°C and finishes at 650°C or so. (6) These properties are good up to 550°C.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 25 (8), 531-535, 1961

    公益社団法人 日本金属学会

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