经验分析和实验研究都表明,在Nb-CuSn合金的固-固扩散中,固态CuSn合金中的Sn原子单方面地向Nb扩散,而Nb原子向CuSn合金的扩散可以忽略。扩散处理后,仅有Nb_3Sn相形成,而且十分稳定。在此基础上,讨论了固-固扩散中Nb_3Sn的形成过程。最后还简要讨论了固-液扩散中Nb-3Sn相形成的有关问题。
Both empirical analysis and experimental investigation of the Nb-CuSn solidsolid diffusion couple arc shown that the Sn atoms in solid CuSn alloy diffuse into Nb lattice alone, but the diffusion of Nb atoms into CuSn alloy can be neglected. The only Nb_3Sn phase is formed with superior stability after diffusion. On the basis above mentioned, the discussion about the formation of Nb_3Sn during diffusion of solid-solid system was made. Furthermore, certain allied topics on that during solid-liquid diffusion were also interpreted briefly.
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| [12] | 木村锡一 |
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