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Corrosion resistance of layer-by-layer assembled polyvinylpyrrolidone/polyacrylic acid and amorphous silica films on AZ31 magnesium alloys
Cui, Lan-Yue; Zeng, Rong-Chang; Li, Shuo-Qi; Zhang, Fen; Han, En-Hou; Zeng, RC; Li, SQ (reprint author), Shandong Univ Sci & Technol, Coll Mat Sci & Engn, Qingdao 266590, Peoples R China.; Li, SQ (reprint author), Shandong Univ Sci & Technol, State Key Lab Min Disaster Prevent & Control Cofo, Qingdao 266590, Peoples R China.
2016
Source PublicationRSC ADVANCES
ISSN2046-2069
Volume6Issue:68Pages:63107-63116
AbstractA layer-by-layer (LbL)-assembled composite coating containing SiO2 and a biocompatible polyvinylpyrrolidone (PVP) and polyacrylic acid (PAA) multi-layer, designated as SiO2/(PVP/PAA)(5), was prepared on AZ31 Mg alloy via dip-coating. The surface morphology, microstructure and chemical composition of the coating were investigated using FE-SEM, FT-IR, XRD and XPS. The physical properties of the coating were characterized by scratch testing. The results demonstrated that the coating was amorphous and remarkably soft. PVP and PAA promoted the formation of Ca-P precipitates, and the amorphous silica film further enhanced corrosion resistance. The SiO2/(PVP/PAA)(5) coating may be a promising surface modification for degradable Mg cardiovascular stents.
description.department[cui, lan-yue ; zeng, rong-chang ; li, shuo-qi ; zhang, fen] shandong univ sci & technol, coll mat sci & engn, qingdao 266590, peoples r china ; [cui, lan-yue ; zeng, rong-chang ; li, shuo-qi ; zhang, fen] shandong univ sci & technol, state key lab min disaster prevent & control cofo, qingdao 266590, peoples r china ; [han, en-hou] chinese acad sci, inst met res, natl engn ctr corros control, shenyang 110016, peoples r china
Subject AreaChemistry
Funding OrganizationNational Natural Science Foundation of China [51571134]; Scientific Research Foundation of Shandong University of Science and Technology (SDUST) for Recruited Talents [2013RCJJ006]; SDUST Research Fund [2014TDJH104]
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/75952
Collection中国科学院金属研究所
Corresponding AuthorZeng, RC; Li, SQ (reprint author), Shandong Univ Sci & Technol, Coll Mat Sci & Engn, Qingdao 266590, Peoples R China.; Li, SQ (reprint author), Shandong Univ Sci & Technol, State Key Lab Min Disaster Prevent & Control Cofo, Qingdao 266590, Peoples R China.
Recommended Citation
GB/T 7714
Cui, Lan-Yue,Zeng, Rong-Chang,Li, Shuo-Qi,et al. Corrosion resistance of layer-by-layer assembled polyvinylpyrrolidone/polyacrylic acid and amorphous silica films on AZ31 magnesium alloys[J]. RSC ADVANCES,2016,6(68):63107-63116.
APA Cui, Lan-Yue.,Zeng, Rong-Chang.,Li, Shuo-Qi.,Zhang, Fen.,Han, En-Hou.,...&Li, SQ .(2016).Corrosion resistance of layer-by-layer assembled polyvinylpyrrolidone/polyacrylic acid and amorphous silica films on AZ31 magnesium alloys.RSC ADVANCES,6(68),63107-63116.
MLA Cui, Lan-Yue,et al."Corrosion resistance of layer-by-layer assembled polyvinylpyrrolidone/polyacrylic acid and amorphous silica films on AZ31 magnesium alloys".RSC ADVANCES 6.68(2016):63107-63116.
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