The microstructures and growth mechanism of various forms of graphite precipitated in rare-earth nodular cast iron are discussed after what is inside the graphite is displayed by ionic etching and what is outside observed by SEM with deep etched specimen.
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- 本文对稀土球墨铸铁中出现的各类石墨；用离子腐蚀的方法显示其内部结构;同时在扫描电镜下观察深腐蚀后试样中所暴露的石墨晶体外形；以探讨石墨晶体的生长机理.
