In this paper, effects of Ce, La and nd on graphite morphology and matrix structure in cast iron with various sulphur content and under various cooling rate have been studied.
研究了不同含硫量和不同冷却速度下铈、镧和钕对铸铁石墨形态和基体组织的影响。试验表明，不同的稀土元素在铸铁中的行为是不一样的。同时，硫和冷却速度对稀土元素的作用有重要的影响。
The nodulizing power of the La-Mg nodulizer and its influences on the chilling sensitivity of nodular cast iron and the property of anti-degeneration were studied.
研究了镧镁球化剂的球化能力及其对球墨铸铁白口敏感性和抗衰退性的影响。
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