The observation and analysis for the tensile fracture of hot rolled plate by SEM and EDS is a valid method to discover the influence of the inclusions in the plate on the elongation.

• 应用扫描电子显微镜及能谱仪对热轧中板拉伸断口进行形貌观察和夹杂物类型分析,以探讨热轧中板中夹杂物对其伸长率的影响。