The method of grain refining on K 418 super alloy is discussed.

介绍K418高温合金晶粒细化的方法.

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The grain refining efficiency of grain - refining aluminium ingots is studied.

研究了电解法生产的细晶铝锭的晶粒细化能力.

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A kind of new grain refinement method by grain - refining aluminium ingots was related at last.

最后阐述了细晶铝锭熔铸铝锰合金的新型细化方法.

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The results show that secondary normalizing can remove the wustite structure and make grain refining.

通过对几种细化晶粒方法的比较,提出采用二次正火可细化晶粒并消除魏氏组织.

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OM 、 SEM 、 EDS 、 MEF 3 were used to analyse microstructure and grain refining of Al - Ti - C master alloys.

通过XRD、 OM、SEM、EDS等检测手段分析了Al-Ti-C中间合金的微观组织及细化后的晶粒大小.

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