The composition of an Nb-Cr based multi-element alloy was designed. The master alloy ingot was prepared by vacuum non-consumable arc-melting and then vacuum consumable arc-melting method.

• 本文设计了Nb-Cr-Ti-Hf-B-Y的多元合金，采用真空非自耗电弧熔炼然后真空自耗电弧熔炼的方法制备了母合金锭。