ベリリウムおよびニッケルを含む高導電Cu合金の最適成分について

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タイトル別名
  • On the Optimum Chemical Composition of High Conductivity Copper Alloys Containing Beryllium and Nickel
  • ベリリウム オヨビ ニッケル オ フクム コウドウデン Cu ゴウキン ノ サイテキ セイブン ニ ツイテ

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抄録

Recently, alloy materials for resistance welding or commutators are required to stand operation under conditions of increasing severity. Copper alloys containing nickel and beryllium possess not only high electrical conductivity but also enough mechanical strength at elevated temperature consideration of these merits, nickel-beryllium-copper ternary alloys were studied in the authors’ laboratory. In this report, the results of basic experiments on the optimum composition and the effect of additional elements to the alloys are described. First, the specimens of nickel-beryllium-copper ternary alloys containing various quantities of nickel and beryllium were prepared to detect their optimum composition. The experiment showed that these alloys showed the most superior properties in the region of 0.2∼0.3%Be and 1.2∼1.5%Ni, where its hardness became more than 200 (Vickers numbers) and its electrical conductivity more than 50% (IACS). Moreover 5 kinds of metals including chrome, iron, zinc, aluminium and cobalt were added to the ternary alloy containing 0.14∼0.30%Be, and their effect on the mechanical and electrical properties was investigated. These additional metals gave an unfavourable effect on the electrical conductivity, but addition of chrome, iron and cobalt promoted age-hardening of this alloy.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 24 (5), 285-289, 1960

    公益社団法人 日本金属学会

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