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本文用扫描电镜等方法确定了铌在高铬铸铁中存在的状态,并进一步阐明铌细化高铬铸铁的组织、提高机械性能和耐磨性的原因。
In this paper, the existence of niobium in high-chromium cast iron has been determined by scanning electron microscopy and other methods to further clarify the niobium refinement of high-chromium cast iron organization to improve the mechanical properties and wear resistance reasons.