By means of chemical composition analysis, hardness testing, non-metallic inclusion examination, metallographic examination, macro and micro-fractography fracture analysis were conducted.
By means of chemical composition analysis, hardness testing, non-metallic inclusion examination, metallographic examination, macro and micro-fractography fracture analysis were conducted.
对剃齿刀断口进行了宏、微观检验、化学成分分析、硬度测试和非金属夹杂物及显微组织检验。