The effect of grain refinement on the oxidation and phase transformation of alumina scale on Ni(2)Al(3 )coating

doi:10.1016/j.intermet.2022.107571

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	The effect of grain refinement on the oxidation and phase transformation of alumina scale on Ni(2)Al(3 )coating
	Khan, A.1,2; Ullah, Ihsan 1; Ullah, A.1; Shah, S. S. A.2; Zhang, S. H.2; Song, G. S.2
刊名	INTERMETALLICS
	2022-07-01
卷号	146 页码:10
关键词	Ni 2 Al 3 coating Grain refinement SEM TEM Raman spectroscopy Oxidation Alumina scale formation
ISSN号	0966-9795
DOI	10.1016/j.intermet.2022.107571
通讯作者	Khan, A.(azim@alum.imr.ac.cn) ; Song, G. S.(song_ahut@163.com)
英文摘要	An ultrafine-grained (UFG) and coarse-grained (CG) Ni2Al3 coating were prepared by aluminizing pure nickel substrate with and without nanocrystalline Ni film using an aluminization pack cementation process at 620 degrees C for 5 h. The oxidation kinetics and cyclic oxidation result show that the UFG-Ni2Al3 coating significantly enhances the oxidation-resistant with respect to the CG-Ni2Al3 coating in air at 900 degrees C. The SEM/EDS results confirmed that the microstructure of two 8-Ni2Al3 coatings is free of pores, cracks, and voids. The UFG-Ni2Al3 coating promotes the phase transformation with respect to the CG-Ni2Al3 coating after oxidation for various times were investigated by using photo-stimulated luminescence spectroscopy (PSLS) analysis. The experimental result also confirmed that the UFG-Ni2Al3 coating, on which an adherent alumina scale grew, can significantly control the formation of cavities at the scale/coating interface.
资助项目	Research funds for interna-tional young Scientist the National Natural Science Foundation of China[52150410429] ; Key laboratory of Green Fabrication and Surface Technology of Advanced Metals Materials[GFST2022ZR12]
WOS研究方向	Chemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
语种	英语
出版者	ELSEVIER SCI LTD
WOS记录号	WOS:000796768900001
资助机构	Research funds for interna-tional young Scientist the National Natural Science Foundation of China ; Key laboratory of Green Fabrication and Surface Technology of Advanced Metals Materials
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/174053]
专题	金属研究所_中国科学院金属研究所
通讯作者	Khan, A.; Song, G. S.
作者单位	1.Chinese Acad Sci, Inst Met Res, 62 Wencui Rd, Shenyang 110016, Peoples R China 2.Anhui Univ Technol, Sch Mat Sci & Engn, Key Lab Green Fabricat & Surface Technol Adv Met M, Minist Educ, Maanshan 243000, Peoples R China
推荐引用方式 GB/T 7714	Khan, A.,Ullah, Ihsan,Ullah, A.,et al. The effect of grain refinement on the oxidation and phase transformation of alumina scale on Ni(2)Al(3 )coating[J]. INTERMETALLICS,2022,146:10.
APA	Khan, A.,Ullah, Ihsan,Ullah, A.,Shah, S. S. A.,Zhang, S. H.,&Song, G. S..(2022).The effect of grain refinement on the oxidation and phase transformation of alumina scale on Ni(2)Al(3 )coating.INTERMETALLICS,146,10.
MLA	Khan, A.,et al."The effect of grain refinement on the oxidation and phase transformation of alumina scale on Ni(2)Al(3 )coating".INTERMETALLICS 146(2022):10.