研究了经过1000℃/10 h热处理的Nb/Ti、Nb/Ta、Ti/Ta扩散偶样品所形成合金层的成分分布,以及Ti/Ta扩散偶经过850℃、700℃、550℃、400℃5 h热处理后淬火与随炉冷却形成的TiTa合金微观组织的区别,并研究了复合体中Nb片、Ti片、Ta的排列方式对NbTiTa超导线材微观结构和扩散工艺的影响.
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