CN 120843851 A

Abstract

本发明涉及超导材料技术领域，具体涉及一种基于电子束熔炼超导铌锭产生的二次物料制备铌锭的方法，该方法包括：收集二次物料，进行氢化处理，得到氢化物料；对粉末状氢化物料在第二预设温度范围内进行脱氢处理，得到脱氢后的粉末状二次物料；将粉末状二次物料与纯度为4N级以上的高纯铌粉按照预定比例在预设混料时间下混合均匀后，得到预制料，并将预制料经油压机压制成型后，得到预制条，并将预制条在高温还原炉中进行烧结，得到预结条；对预结条进行熔炼，得到二次物料铌板，对二次物料铌板进行二次熔炼，得到高纯度铌锭，高纯度铌锭的纯度≥99.99%。本发明降低了铌锭资源浪费，保证了资源循环利用，有效提高了铌锭资源的综合利用率。

English (machine translation): The invention relates to the technical field of superconducting materials, in particular to a method for preparing a niobium ingot based on secondary materials generated by electron beam smelting of a superconducting niobium ingot, which comprises the steps of collecting the secondary materials, and carrying out hydrogenation treatment to obtain hydrogenated materials; the preparation method comprises the steps of carrying out dehydrogenation treatment on a powdery hydrogenation material within a second preset temperature range to obtain a dehydrogenated powdery secondary material, uniformly m…

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