Effect of Ru on the Oxidation Behavior of a Ni-Base Single-Crystal Superalloy

doi:10.1166/sam.2017.2819

IMR OpenIR

	Effect of Ru on the Oxidation Behavior of a Ni-Base Single-Crystal Superalloy
	Meng, J.; Jin, T.; Sun, X. F.; Hu, Z. Q.
通讯作者	Meng, J.(jmeng@imr.ac.cn)
	2017-11-01
发表期刊	SCIENCE OF ADVANCED MATERIALS
ISSN	1947-2935
卷号	9 期号:11 页码:1922-1928
摘要	The effect of Ru on the isothermal oxidation of Ni-base single crystal superalloys has been investigated by discontinuous thermogravimetric analysis. The scale structures were analyzed using XRD, SEM and EDX. The kinetic curves of the alloys exposed at 1000 degrees C and 1100 degrees C obeyed the parabolic law, and the addition of Ru had minimal direct effect on the oxide phase types. The scales for three alloys with various Ru additions were mainly composed of an outer (Ni, Co) O layer, a second complex oxides layer, and an inner Al2O3 layer. The spallation of the scale was observed after a long time oxidation at 1000 degrees C and 1100 degrees C. The mass gains of the alloys with Ru addition were higher than those of the alloys without Ru addition when exposed to high temperatures at 1000 degrees C and 1100 degrees C. This showed that the addition of Ru can reduce the oxidation resistance in the alloy oxidation at high temperatures due to Ru inhibiting the formation of Al2O3 layer. Furthermore, the rate of oxidation for the alloy with 3 Ru addition at 1100 degrees C was slower than that of the alloy with 1.5 Ru addition since the weak-bond in NiWO4 was limited by Ru addition. The internal nitride was obtained from the three alloys with Ru addition due to the loose Al2O3 films.
关键词	Isothermal Oxidation Ni-Base Single Crystal Superalloys Ruthenium Oxide Scale
资助者	National Basic Research Program (973 Program) of China ; National Natural Science Foundation of China
DOI	10.1166/sam.2017.2819
收录类别	SCI
语种	英语
资助项目	National Basic Research Program (973 Program) of China[2010CB631206] ; National Natural Science Foundation of China[51101153] ; National Natural Science Foundation of China[51401210]
WOS研究方向	Science & Technology - Other Topics ; Materials Science ; Physics
WOS类目	Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied
WOS记录号	WOS:000419754900007
出版者	AMER SCIENTIFIC PUBLISHERS
引用统计	被引频次：1[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/321006/127244
专题	中国科学院金属研究所
通讯作者	Meng, J.
作者单位	Chinese Acad Sci, Inst Met Res, Dept Superalloy, Shenyang 110016, Liaoning, Peoples R China
推荐引用方式 GB/T 7714	Meng, J.,Jin, T.,Sun, X. F.,et al. Effect of Ru on the Oxidation Behavior of a Ni-Base Single-Crystal Superalloy[J]. SCIENCE OF ADVANCED MATERIALS,2017,9(11):1922-1928.
APA	Meng, J.,Jin, T.,Sun, X. F.,&Hu, Z. Q..(2017).Effect of Ru on the Oxidation Behavior of a Ni-Base Single-Crystal Superalloy.SCIENCE OF ADVANCED MATERIALS,9(11),1922-1928.
MLA	Meng, J.,et al."Effect of Ru on the Oxidation Behavior of a Ni-Base Single-Crystal Superalloy".SCIENCE OF ADVANCED MATERIALS 9.11(2017):1922-1928.