Influence of sealing treatment on the corrosion behavior of HVAF sprayed Al-based amorphous/nanocrystalline coating

doi:10.1016/j.surfcoat.2018.08.086

IMR OpenIR

	Influence of sealing treatment on the corrosion behavior of HVAF sprayed Al-based amorphous/nanocrystalline coating
	Zhang, L. M.1,2; Zhang, S. D.3; Ma, A. L.1; Hu, H. X.1; Zheng, Y. G.1; Yang, B. J.3; Wang, J. Q.3
通讯作者	Zheng, Y. G.(ygzheng@imr.ac.cn) ; Wang, J. Q.(jqwang@imr.ac.cn)
	2018-11-15
发表期刊	SURFACE & COATINGS TECHNOLOGY
ISSN	0257-8972
卷号	353 页码:263-273
摘要	Al-based amorphous/nanocrystalline coating with a low porosity (0.42%) and a high amorphous content (80.3%) was fabricated by high velocity air-fuel spraying on aluminum alloy 2024. This thin amorphous/nanocrystalline coating with alpha-Al nanocrystals precipitated in amorphous matrix displays good short-term corrosion resistance, while the corrosion resistance decreases rapidly with increased immersion time. Sealing treatment can effectively close the connecting pores and reduce the porosity defects of coating, thereby improving the corrosion resistance. Among the three selected sealants, stearic acid exhibits the best sealing effect on Al-based amorphous/nanocrystalline coating due to its good impermeability and hydrophobicity, followed by potassium dichromate and nickel acetate. The sealing mechanisms of the three sealants are discussed in terms of reactions at the coating/sealant interface and hydrophobicity of stearic acid.
关键词	Al-based amorphous/nanocrystalline coating Sealing treatment Polarization EIS XPS Corrosion resistance
资助者	National Key Research and Development Program of China ; Civil Aircraft Project of Ministry of Industry and Information Technology ; National Natural Science Foundation of China
DOI	10.1016/j.surfcoat.2018.08.086
收录类别	SCI
语种	英语
资助项目	National Key Research and Development Program of China[2018YFC0808503] ; Civil Aircraft Project of Ministry of Industry and Information Technology[MJ2015F022] ; National Natural Science Foundation of China[51471166] ; National Natural Science Foundation of China[51131006]
WOS研究方向	Materials Science ; Physics
WOS类目	Materials Science, Coatings & Films ; Physics, Applied
WOS记录号	WOS:000447117400030
出版者	ELSEVIER SCIENCE SA
引用统计	被引频次：37[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/321006/129880
专题	中国科学院金属研究所
通讯作者	Zheng, Y. G.; Wang, J. Q.
作者单位	1.Chinese Acad Sci, Inst Met Res, CAS Key Lab Nucl Mat & Safety Assessment, 62 Wencui Rd, Shenyang 110016, Liaoning, Peoples R China 2.Univ Sci & Technol China, Sch Mat Sci & Engn, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China 3.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China
推荐引用方式 GB/T 7714	Zhang, L. M.,Zhang, S. D.,Ma, A. L.,et al. Influence of sealing treatment on the corrosion behavior of HVAF sprayed Al-based amorphous/nanocrystalline coating[J]. SURFACE & COATINGS TECHNOLOGY,2018,353:263-273.
APA	Zhang, L. M..,Zhang, S. D..,Ma, A. L..,Hu, H. X..,Zheng, Y. G..,...&Wang, J. Q..(2018).Influence of sealing treatment on the corrosion behavior of HVAF sprayed Al-based amorphous/nanocrystalline coating.SURFACE & COATINGS TECHNOLOGY,353,263-273.
MLA	Zhang, L. M.,et al."Influence of sealing treatment on the corrosion behavior of HVAF sprayed Al-based amorphous/nanocrystalline coating".SURFACE & COATINGS TECHNOLOGY 353(2018):263-273.