In order to improve the inner quality of superalloy master ingots, a technology of vacuum electromagnetic casting (V-EMC) was developed for the superalloy, i.

• 为了提高高温合金母合金锭的内在质量,提出了在高温合金真空熔铸的凝固过程,施加电磁搅拌的真空电磁铸造技术。