| GROWTH OF Nb_3Sn TRANSFORMED FROM Nb_6 Sn_5 |
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| 引用本文： | LOU Le HU Suhui Shanghai Institute of Metallurgy,Academia Smica,Shanghai,China Shanghai Institute of Metallurgy,Academia Sinica,Shanghai,China. GROWTH OF Nb_3Sn TRANSFORMED FROM Nb_6 Sn_5[J]. 金属学报(英文版), 1989, 2(7): 33-40 |
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| 作者姓名： | LOU Le HU Suhui Shanghai Institute of Metallurgy Academia Smica Shanghai China Shanghai Institute of Metallurgy Academia Sinica Shanghai China |
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| 作者单位： | LOU Le HU Suhui Shanghai Institute of Metallurgy，Academia Smica，Shanghai，China Shanghai Institute of Metallurgy，Academia Sinica，Shanghai，China |
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| 摘 要： | The diffusion process of Sn in the transformation of Nb_6Sn_5 to Nb_3Sn has been studied.Theexperimental results show that the growth of Nb_3Sn laver is controlled by two processes,i.e.the short range diffusion of Sn which is responsihle for the inner layer with large grains,andthe long,range diffusion of Sn which results in the outer layer with fine grains.It was foundthai grain size depends on the reaction temperature.A model of Nb_3Sn growth based on theabove processes was established and its solution was found to be in good agreement with ex-perimental results.
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| 收稿时间： | 1989-07-11 |
| 修稿时间： | 1989-07-11 |
GROWTH OF Nb_3Sn TRANSFORMED FROM Nb_6 Sn_5 |
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| LOU Le HU Suhui. GROWTH OF Nb_3Sn TRANSFORMED FROM Nb_6 Sn_5[J]. Acta Metallurgica Sinica(English Letters), 1989, 2(7): 33-40 |
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| Authors: | LOU Le HU Suhui |
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| Affiliation: | LOU Le HU Suhui Shanghai Institute of Metallurgy,Academia Smica,Shanghai,China Shanghai Institute of Metallurgy,Academia Sinica,Shanghai,China |
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| Abstract: | The diffusion process of Sn in the transformation of Nb_6Sn_5 to Nb_3Sn has been studied.The experimental results show that the growth of Nb_3Sn laver is controlled by two processes,i.e. the short range diffusion of Sn which is responsihle for the inner layer with large grains,and the long,range diffusion of Sn which results in the outer layer with fine grains.It was found thai grain size depends on the reaction temperature.A model of Nb_3Sn growth based on the above processes was established and its solution was found to be in good agreement with ex- perimental results. |
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| Keywords: | diffusion growth microstructure Nb_3Sn Nb_6Sn_5 |
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