Relationship between microstructure of pearlitic rail steels and mechanical properties, and the effects of alloying elements are subject, which people have always been studying.

珠光体钢轨钢的组织与性能之间的关系、合金元素的作用机理一直是人们不断研究的课题。

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The microstructure and fracture process of an eutectoid pearlitic steel have been observation and analysed by means of electron-diffraction-contrast technique and SEM.

应用电子衍衬技术和扫描电镜等手段，对共析珠光体轨钢的微观结构和断裂过程，进行了观察和分析。

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The microstructure evolution of pearlitic steel in ECAP was investigated by means of transmission electron microscope and scanning electron microscope.

并用透射电镜、扫描电镜研究了珠光体组织的演变特点和渗碳体的变形。

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