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用扫描电镜和电子探针研究了08Al,08AlRE、16Mn、16MnRE 四种连铸钢坯中稀土对中心偏析显微形态的影响,查明其中心偏析的实质並初步探讨稀土改善中心偏析的原因。
The effects of rare earth on the central segregation microstructure of 08Al, 08AlRE, 16Mn and 16MnRE billets were investigated by scanning electron microscopy and electron probe. The center segregation was analyzed and the reasons for the segregation of rare earth were analyzed.