HOT CORROSION BEHAVIOR OF ARC-ION PLATING Ti-Al-Cr(Si, Y) COATINGS ON Ti60 ALLOY

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	HOT CORROSION BEHAVIOR OF ARC-ION PLATING Ti-Al-Cr(Si, Y) COATINGS ON Ti60 ALLOY
	Yan Wei 2; Sun Fengjiu 2; Wang Qingjiang 1; Liu Jianrong 1; Chen Zhiyong 1; Li Shaoqiang 1
刊名	ACTA METALLURGICA SINICA
	2009-10-11
卷号	45 期号:10 页码:1171-1178
关键词	titanium alloy Ti-Al-Cr(Si, Y) coating hot corrosion
ISSN号	0412-1961
通讯作者	Wang Qingjiang(qjwang@imr.ac.cn)
英文摘要	High-temperature titanium alloys intended for aero engine compressor applications suffer from high-temperature oxidation and environmental corrosion, which prohibit their long-term service at temperatures above 600 degrees C. In an attempt to improve the oxidation resistance and corrosion resistance, Ti-48%Al-12%Cr (0.2%Si, 0.1%Y, atomic fraction) protective coatings were plated on the substrate of alloy Ti60 by arc ion plating (AIP) method. The corrosion behavior of the bare alloys and the protective coatings in Na(2)SO(4) and 75%Na(2)SO(4)+25%K(2)SO(4) (mass fraction) in air was investigated by XRD, SEM and EDS. The results indicate that Ti60 alloy shows a, poor corrosion resistance in the hot corrosion process at 800 and 850 degrees C due to corrosion product scales spalling. Ti-Al-Cr(Si, Y) coated specimens, however exhibited good hot corrosion resistance at 800 and 850 degrees C in sulfate. Corrosion in 75%Na(2)SO(4)+25%K(2)SO(4) is More severe than that in Na(2)SO(4). Ti60 with Ti-Al-Cr-Si coating or Ti-Al-Cr-Si-Y coating has better hot corrosion resistance than that with Ti-Al-Cr coating.
资助项目	National High Technology Research and Development Program of China[2007AA03A224]
WOS研究方向	Metallurgy & Metallurgical Engineering
语种	英语
出版者	SCIENCE PRESS
WOS记录号	WOS:000272062800004
资助机构	National High Technology Research and Development Program of China
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/98792]
专题	金属研究所_中国科学院金属研究所
通讯作者	Wang Qingjiang
作者单位	1.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China 2.Northeastern Univ, Coll Sci, Shenyang 110004, Peoples R China
推荐引用方式 GB/T 7714	Yan Wei,Sun Fengjiu,Wang Qingjiang,et al. HOT CORROSION BEHAVIOR OF ARC-ION PLATING Ti-Al-Cr(Si, Y) COATINGS ON Ti60 ALLOY[J]. ACTA METALLURGICA SINICA,2009,45(10):1171-1178.
APA	Yan Wei,Sun Fengjiu,Wang Qingjiang,Liu Jianrong,Chen Zhiyong,&Li Shaoqiang.(2009).HOT CORROSION BEHAVIOR OF ARC-ION PLATING Ti-Al-Cr(Si, Y) COATINGS ON Ti60 ALLOY.ACTA METALLURGICA SINICA,45(10),1171-1178.
MLA	Yan Wei,et al."HOT CORROSION BEHAVIOR OF ARC-ION PLATING Ti-Al-Cr(Si, Y) COATINGS ON Ti60 ALLOY".ACTA METALLURGICA SINICA 45.10(2009):1171-1178.