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物理学报 1981
THE MECHANISM OF THE GRAIN GROWTH OF SUPERCONDUCTING COMPOUND Nb3Sn
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Abstract:
本文研究了Nb/固态Cu-Sn和Nb/液态Cu-Sn界面上Nb3Sn晶粒的生长。实验表明:固态-固态界面上生长的晶粒尺寸虽小(约0.1μm),但Nb3Sn晶粒的长大仍符合通常的固态晶粒长大规律;固态-液态界面上生长的Nb3Sn分成两层,靠近Nb的内层晶粒细小,排列致密,外层晶粒粗大,分布零散,后者是前者经过溶解/沉积过程引起的,晶体形貌大多数呈菱形十二面体,部分呈正交平行六面体,说明Nb3Sn的{110},{100}面
