Oxidation behavior of NiAl-30.9Cr-3Mo-0.1Dy alloy at high temperature

IMR OpenIR

	Oxidation behavior of NiAl-30.9Cr-3Mo-0.1Dy alloy at high temperature
	Zhang, GY ; Zhang, H ; Wang, ZS ; Guo, JT ; Zhou, LZ
通讯作者	Zhang, GY(zhangguangye7411@163.com)
	2006-05-01
发表期刊	RARE METAL MATERIALS AND ENGINEERING
ISSN	1002-185X
卷号	35 期号:5 页码:719-723
摘要	The isothermal oxidation behavior of NiAl-30.9Cr-Wo-0.1Dy alloy at temperature range of 1300 K similar to 1500 K in air atmosphere has been investigated in this paper. The results reveal that the oxidation resistance is much better than that of NiAl-31Cr-3Mo alloy and the adherence of Al2O3 film can greatly improved due to the formation of continuous and dense layer of Al2O3 formed on the surface of NiAl-30.9Cr-Wo-0.1Dy alloy and the formation of Cr layer between Al2O3 and substrate. The kinetics of isothermal oxidation of NiAl-30.9Cr-Wo-0.1Dy alloy obeys a parabolic rule at 1500 K, and follows the quintic equation at 1300 K and the cubic relation at 1350 K similar to 1450 K. The small amount of Dy doped in NiAl-31Cr-3Mo alloy retards the. transformation of theta-Al2O3 phase into alpha-Al2O3 phase, and decreases the amount of Al2O3 on NiAl phase. The mechanism of oxidation has been also discussed.
关键词	intermetallics NiAl high-temperature oxidation
收录类别	SCI
语种	英语
WOS研究方向	Materials Science ; Metallurgy & Metallurgical Engineering
WOS类目	Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS记录号	WOS:000238275000012
出版者	NORTHWEST INST NONFERROUS METAL RESEARCH
引用统计	被引频次：4[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/321006/85946
专题	中国科学院金属研究所
通讯作者	Zhang, GY
作者单位	1.Hunan Univ Sci & Technol, Sch Electromechanism Engn, Xiangtan 411201, Peoples R China 2.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
推荐引用方式 GB/T 7714	Zhang, GY,Zhang, H,Wang, ZS,et al. Oxidation behavior of NiAl-30.9Cr-3Mo-0.1Dy alloy at high temperature[J]. RARE METAL MATERIALS AND ENGINEERING,2006,35(5):719-723.
APA	Zhang, GY,Zhang, H,Wang, ZS,Guo, JT,&Zhou, LZ.(2006).Oxidation behavior of NiAl-30.9Cr-3Mo-0.1Dy alloy at high temperature.RARE METAL MATERIALS AND ENGINEERING,35(5),719-723.
MLA	Zhang, GY,et al."Oxidation behavior of NiAl-30.9Cr-3Mo-0.1Dy alloy at high temperature".RARE METAL MATERIALS AND ENGINEERING 35.5(2006):719-723.