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Preparation of Ni-W-10Y203 refiner and refinement mechanism in a superalloy
Alternative TitlePreparation of Ni-W-10Y203 refiner and refinement mechanism in a superalloy
Jiang Weiguo; Yang Mingchuan; Lou Langhong; Hou Fenghua; Hu Zhuangqi
2011
Source PublicationActa Metallurgica Sinica(English Letters)
ISSN1006-7191
Volume24Issue:5Pages:365-372
AbstractA novel grain refiner composed of nickel, tungsten and yttria was prepared by the powder metallurgy way. The microstructure of the refiner alloy was studied by optical microscope (OM), scanning electron microscope (SEM) and energy dispersive spectroscopy (EDS). The refinement process was simplized. It was shown that the alloy grains could be refined by addition of the refiners apparently even at high pouring temperature. The average grain size of the refiner free alloy was 4 mm, and 0.4 mm for the refined alloy. The fine-grain superalloy has excellent mechanical properties at intermediate temperature. The refinement mechanism was discussed.
Other AbstractA novel grain refiner composed of nickel, tungsten and yttria was prepared by the powder metallurgy way. The microstructure of the refiner alloy was studied by optical microscope (OM), scanning electron microscope (SEM) and energy dispersive spectroscopy (EDS). The refinement process was simplized. It was shown that the alloy grains could be refined by addition of the refiners apparently even at high pouring temperature. The average grain size of the refiner free alloy was 4 mm, and 0.4 mm for the refined alloy. The fine-grain superalloy has excellent mechanical properties at intermediate temperature. The refinement mechanism was discussed.
KeywordSuperalloy Refiner Grain refinement Microstructure
Indexed ByCSCD
Language英语
CSCD IDCSCD:4344282
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/149701
Collection中国科学院金属研究所
Affiliation中国科学院金属研究所
Recommended Citation
GB/T 7714
Jiang Weiguo,Yang Mingchuan,Lou Langhong,et al. Preparation of Ni-W-10Y203 refiner and refinement mechanism in a superalloy[J]. Acta Metallurgica Sinica(English Letters),2011,24(5):365-372.
APA Jiang Weiguo,Yang Mingchuan,Lou Langhong,Hou Fenghua,&Hu Zhuangqi.(2011).Preparation of Ni-W-10Y203 refiner and refinement mechanism in a superalloy.Acta Metallurgica Sinica(English Letters),24(5),365-372.
MLA Jiang Weiguo,et al."Preparation of Ni-W-10Y203 refiner and refinement mechanism in a superalloy".Acta Metallurgica Sinica(English Letters) 24.5(2011):365-372.
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