高純度70/30黄銅の結晶粒成長に及ぼすチタンおよびジルコニウム添加の影響

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タイトル別名
  • Effect of Titanium and Zirconium on Grain Growth in High Purity 70-30 Brass
  • コウジュンド 70 30 オウドウ ノ ケッショウ リュウ セイチョウ ニ オヨボス チタン オヨビ ジルコニウム テンカ ノ エイキョウ

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抄録

In recent years, the effect of grain size upon such properties as formability, strength and earing tendencies in 70-30 brass has been recognized to be of significant magnitude in our country. The effects of iron and phosphorus as the added elements on the grain growth in high purity brass were described in the 1st report. In the present paper, the effects of small amounts of titanium and zirconium were investigated after annealing for 4,000 sec at various temperatures or rapid short-time heating at temperatures above 700°C. In the case of the ordinary annealing, titanium is more effective than either iron or phosphorus for grain-size control of brass when present at 0.004% or more. But at higher annealing temperatures, the restrictive effect of titanium was found to be weaker. On the other hand, small amounts of zirconium are exceptionally effective in retarding grain growth even at higher annealing temperatures.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 23 (10), 560-564, 1959

    公益社団法人 日本金属学会

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