Improvement of Copper Alloy Springs. III : Secular Change in Spring Materials of Brass Series
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概要
- 論文の詳細を見る
One of the most unfavorable defects of a spring sheet of brass is that the spring properties change with time even at room temperature after final cold-working or low-temperature annealing. An investigation was made into the possibility to suppress the so-called secular change after low-temperature annealing. The change after low-temperature annealing was considered to be related to that after final cold-rolling. The secular change after cold-rolling showed a tendency to stabilize the spring properties and, when a rolled brass plate was annealed at low-temperature after it was allowed to remain at room temperature for a time long enough for stabilization, the change after low-temperature annealing became less. The secular change in two-phase brass, namely, 60/40 brass could be considered as a combined effect of α- and β-brass, though β-brass showed more complicated change than α-brass. All the experiments were carried out at room temperature and at the constant temperatures of 25°and 40℃.
- 東北大学の論文
- 1957-00-00
著者
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Izumi Osamu
The Research Institute For Iron Steel And Other Metals
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KAWASAKI Masayuki
The Research Institute for Iron, Steel and Other Metals
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Kawasaki Masayuki
The Research Institute For Diseases Of The Chest Faculty Of Medicine Kyushu University
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- Ageing Behaviour of Beryllium-Copper Alloys in Relation to Solution-treatment and Cold-working
- Research on the Structure and Low-Temperature Annealing Effect in Cold-Rolled α-Brass. I : Structure and Change in Hardness
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- Research on the Structure and Low-Temperature Annealing Effect in Cold-Rolled α-Brass. II : Structures Cold-Rolled and Annealed at Low Temperatures
- The Effect of the Low-Temperature Annealing upon the Fibrous Structures of Highly Cold-Worked Copper
- Ageing Characteristics of Some Copper-Beryllium Alloys in Relation to Cold-Working Prior to Ageing Treatment
- Multiplex Heat-treatment-The Possibility for Improving the Treatment of Low-temperature Annealing
- Improvement of Copper Alloy Springs. III : Secular Change in Spring Materials of Brass Series
- Effect of Rolling Method and Low-temperature Annealing on the Structure of Cold-rolled α-Brass
- Anneal-hardening Behaviours in α-Brass Sheets in Relation to Rolling Method
- Rolling Structure and Elastic Anisotropy of Cold-Rolled α Brass
- Effect of Heat-treatment, Especially of Multiplex Heat-treatment on the Elasticity of Cold-rolled Copper Alloys