The cast iron modified by re offers refined microstructure in which the carbides become blocky or granular, thus increasing the mechanical properties.
经稀土变质处理的铸铁组织细化，其碳化物呈团块状或颗粒状，从而提高了力学性能。
The experiments showed that RE-containing inoculant not only increased mechanical properties of piston rings, but also reduced the consumption of alloying elements and cost of production.
试验结果表明，采用稀土复合孕育剂，不仅可以提高活塞环的机械性能，而且可以减少合金元素用量，降低生产成本。
The effects of RE compound modificator on the mechanical properties and microstructure of high carbon high speed steel used for roller ring were investigated by SEM, EDS and EPMA.
通过扫描电镜、能谱分析仪和电子探针研究了稀土复合变质剂对离心铸造的高碳高速钢轧辊组织和力学性能的影响。
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