EFFECTS OF RARE EARTH ELEMENT Gd ON THE MICROSTRUCTURE AND MECHANICAL PROPERTIES OF NiAl-Cr(Mo)-Hf EUTECTIC ALLOY

doi:10.3724/SP.J.1037.2009.00747

IMR OpenIR

	EFFECTS OF RARE EARTH ELEMENT Gd ON THE MICROSTRUCTURE AND MECHANICAL PROPERTIES OF NiAl-Cr(Mo)-Hf EUTECTIC ALLOY
	Liang Yongchun 2; Guo Jianting 1; Sheng Liyuan 1; Zhou Lanzhang 1
通讯作者	Guo Jianting(jtguo@imr.ac.cn)
	2010-05-11
发表期刊	ACTA METALLURGICA SINICA
ISSN	0412-1961
卷号	46 期号:5 页码:528-532
摘要	The 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.
关键词	NiAl base alloy rare earth Gd intermetallics microstructure mechanical property
DOI	10.3724/SP.J.1037.2009.00747
收录类别	SCI
语种	英语
WOS研究方向	Metallurgy & Metallurgical Engineering
WOS类目	Metallurgy & Metallurgical Engineering
WOS记录号	WOS:000278475200002
出版者	SCIENCE CHINA PRESS
引用统计	被引频次：6[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/102567
专题	中国科学院金属研究所
通讯作者	Guo Jianting
作者单位	1.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
推荐引用方式 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.