書誌事項
- タイトル別名
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- Control of Zinc Concentration and Growth Rate of Beta Phase in Copper-Zinc Alloy by Heating Pure Copper in Zinc Vapor
- アエン ジョウキチュウ カネツ ニ ヨル ドウ チュウ ノ アエン ノウド ト
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We attempted to precisely control the zinc concentration in copper alloys by regulating the heating temperatures of pure copper and the molten zinc source placed in a closed vessel independently.<BR>In this experiment, the diffusion phenomena in a solid copper-zinc vapor diffusion couple were investigated. The results obtained are as follows: (1) The smaller was the difference in heating temperature between copper plates and molten zinc more zinc diffused into the copper plate. (2) The zinc concentration on the surface of the copper plates laid only in the single alpha, beta and gamma phase regions in the copper-zinc binary phase diagram and kept constant values even when the heating time changed. (3) It was found that the activity of zinc in copper depended on the temperature. (4) The interdiffusion coefficient in the beta phase was about 500 times larger than that in the alpha phase, and the growth rate of the beta phase layer formed on the surface was mainly controlled by the diffusion rate of zinc in the beta phase.
収録刊行物
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- 日本金属学会誌
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日本金属学会誌 57 (4), 440-444, 1993
公益社団法人 日本金属学会
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詳細情報 詳細情報について
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- CRID
- 1390001206489737728
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- NII論文ID
- 130007340532
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- NII書誌ID
- AN00187860
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- ISSN
- 18806880
- 24337501
- 00214876
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- NDL書誌ID
- 3826983
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- NDL
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