The microscopic scanning of the fracture shows that the fracture is not a brittle one, and the qualitative analysis of the inclusions points to the absence of nitrides and carbonitrides in the incl...

通过断口的微观扫描及夹杂物定性分析发现，断口未出现脆性断裂的特征以及夹杂物分析未发现有氮化物和碳氮化物存在。