Zn-0.6Cu-0.10Ti合金の棒および線材の性質について

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  • Properties of Zn-0.6Cu-0.10Ti Rod and Wire
  • Zn-0.6 Cu-0.10 Ti ゴウキン ノ ボウ オヨビ センザイ ノ セイシツ ニ ツイテ

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Mechanical properties of Zn-0.6Cu-0.10Ti rod and wire, fabricated by hot extruding and subsequently by cold rolling or drawing, were mainly investigated. The experimental results were as follows; (1) Tensile strength of the hot-extruded rod showed, independently of the extruding ratio, 26∼30 kg/mm2 which exceeded the value of rolled strip, but the tensile elongation and hardness were almost the same as those of the strip and the annealing temperature had a little effect on these properties. (2) When the rod was cold-reduced, the strength and hardness were decreased and the elongation was increased with increasing reduction. (3) The tensile strength and hardness of rod and wire were increased after low-temperature annealing, when the cold reduction exceeded about 75% for the tensile strength and about 50% for the hardness. And the almost same values as the extruded ones could be obtained by annealing of more than 90% reduction. (4) The most suitable annealing temperature to get the maximum strength for the highly cold-reduced wire was over the range from 150° to 200°C.

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