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EFFECTS OF RARE EARTH ELEMENT Gd ON THE MICROSTRUCTURE AND MECHANICAL PROPERTIES OF NiAl-Cr(Mo)-Hf EUTECTIC ALLOY
Liang Yongchun2; Guo Jianting1; Sheng Liyuan1; Zhou Lanzhang1
Corresponding AuthorGuo Jianting(jtguo@imr.ac.cn)
2010-05-11
Source PublicationACTA METALLURGICA SINICA
ISSN0412-1961
Volume46Issue:5Pages:528-532
AbstractThe effects of rare earth element Gd on the microstructure and compressive properties of Ni-33Al-28Cr-5.9Mo-0.1Hf (atomic fraction, %) eutectic alloy at room temperature and 1373 K were studied. Very little amount of Gd dissolved in the NiAl and Cr(Mo) phases, and much more amount of Gd distributed in Heusler phase. Addition of Gd induced the microstructural refinement, including the decrease of the eutectic cell size and the lamellae spacing between the NiAl and Cr(Mo) plates. The proper Gd addition leads to the improvement of the compressive yield strength and ductility of the alloy at room temperature, but Gd has a little effect on the compressive properties at 1373 K. However, the Cr(Mo) phase was coarsened and distributed irregularly when 0.1 Gd (mass fraction, %) was added into the alloy, which resulted in the decrease of compressive properties at the testing temperature.
KeywordNiAl base alloy rare earth Gd intermetallics microstructure mechanical property
DOI10.3724/SP.J.1037.2009.00747
Indexed BySCI
Language英语
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000278475200002
PublisherSCIENCE CHINA PRESS
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/102567
Collection中国科学院金属研究所
Corresponding AuthorGuo Jianting
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
2.Guangdong Power Grid Corp, Elect Power Res Inst, Guangzhou 510080, Peoples R China
Recommended Citation
GB/T 7714
Liang Yongchun,Guo Jianting,Sheng Liyuan,et al. EFFECTS OF RARE EARTH ELEMENT Gd ON THE MICROSTRUCTURE AND MECHANICAL PROPERTIES OF NiAl-Cr(Mo)-Hf EUTECTIC ALLOY[J]. ACTA METALLURGICA SINICA,2010,46(5):528-532.
APA Liang Yongchun,Guo Jianting,Sheng Liyuan,&Zhou Lanzhang.(2010).EFFECTS OF RARE EARTH ELEMENT Gd ON THE MICROSTRUCTURE AND MECHANICAL PROPERTIES OF NiAl-Cr(Mo)-Hf EUTECTIC ALLOY.ACTA METALLURGICA SINICA,46(5),528-532.
MLA Liang Yongchun,et al."EFFECTS OF RARE EARTH ELEMENT Gd ON THE MICROSTRUCTURE AND MECHANICAL PROPERTIES OF NiAl-Cr(Mo)-Hf EUTECTIC ALLOY".ACTA METALLURGICA SINICA 46.5(2010):528-532.
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