High temperature oxidation behavior of Ti(Al,Si)(3) diffusion coating on gamma-TiAl by cold spray

IMR OpenIR

	High temperature oxidation behavior of Ti(Al,Si)(3) diffusion coating on gamma-TiAl by cold spray
	Wang, Ji-qiang; Kong, Ling-yan; Li, Tie-fan; Xiong, Tian-ying; Kong, LY (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China.
	2016-04-01
发表期刊	TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA
ISSN	1003-6326
卷号	26 期号:4 页码:1155-1162
摘要	A Ti(Al,Si)(3) diffusion coating was prepared on gamma-TiAl alloy by cold sprayed Al-20Si alloy coating, followed by a heat-treatment. The isothermal and cyclic oxidation tests were conducted at 900 degrees C for 1000 h and 120 cycles to check the oxidation resistance of the coating. The microstructure and phase transformation of the coating before and after the oxidation were studied by SEM, XRD and EPMA. The results indicate that the diffusion coating shows good oxidation resistance. The mass gain of the diffusion coating is only a quarter of that of bare alloy. After oxidation, the diffusion coating is degraded into three layers: an inner TiAl2 layer, a two-phase intermediate layer composed of a Ti(Al,Si)(3) matrix and Si-rich precipitates, and a porous layer because of the inter-diffusion between the coating and substrate.
部门归属	[wang, ji-qiang ; kong, ling-yan ; li, tie-fan ; xiong, tian-ying] chinese acad sci, inst met res, shenyang 110016, peoples r china
关键词	Ti(Al,Si)(3) diffuSion coaTing Gamma-tial Alloy Cold Spray Heat-treatment High Temperature Oxidation
学科领域	Metallurgy & Metallurgical Engineering
资助者	National Natural Science Foundation of China [50971127]
收录类别	sci
语种	英语
WOS记录号	WOS:000375862600030
引用统计	被引频次：16[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/321006/75917
专题	中国科学院金属研究所
通讯作者	Kong, LY (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China.
推荐引用方式 GB/T 7714	Wang, Ji-qiang,Kong, Ling-yan,Li, Tie-fan,et al. High temperature oxidation behavior of Ti(Al,Si)(3) diffusion coating on gamma-TiAl by cold spray[J]. TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,2016,26(4):1155-1162.
APA	Wang, Ji-qiang,Kong, Ling-yan,Li, Tie-fan,Xiong, Tian-ying,&Kong, LY .(2016).High temperature oxidation behavior of Ti(Al,Si)(3) diffusion coating on gamma-TiAl by cold spray.TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,26(4),1155-1162.
MLA	Wang, Ji-qiang,et al."High temperature oxidation behavior of Ti(Al,Si)(3) diffusion coating on gamma-TiAl by cold spray".TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA 26.4(2016):1155-1162.