Application of levitation melting to the separation of oxide inclusions from nitrides and carbides in Ni-based superalloyXiaoyong Gao, Lin Zhang, Xuanhui Qu, Yifeng Luan and Xiaowei ChenMetall. Res. Technol., 117 2 (2020) 206DOI: https://doi.org/10.1051/metal/2020015