The research contents are included as follows: metallurgical effect of electromagnetic stirring; inclusion, macrograph, segregation of composition; properties of final rolled steel products.
其内容包括：电磁搅拌的冶金效果、铸坯的低倍组织、非金属夹杂物、成分偏析及钢材性能。
2
In this paper, the chemical contents, microstructure, inclusion, grain size and fracture analysis of the second grade gas turbine blade were investigated.