The Relation between the Composition and Aging Characteristics of Cu-Ni-Si Alloys (First Report)

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  • Cu-Ni-Si三元合金の組成と時効性(第1報)
  • Preparation of 5 Hydroxy 4 Pentanolide

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Abstract

Some 55 copper alloys, containing Nickel and Silicon varying up to 5 percent. by weight of each metal, were cast and rolled into rods, and then, the effect of composition on the hot or cold working and the relation between composition and aging capacity by heat-treatments were investigated. The microstractures of several alloys after heat-treatments were also examined. These experimental results showed that Coper alloys containing nickel and silicon in the approximate ratio of 4:1 have Opptimum aging capacity, e. i. maximum in electrical conductivity and hardness.

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