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Dense yttria-stabilized zirconia coatings fabricated by plasma spray-physical vapor deposition
Shao, Fang; Zhao, Huayu; Liu, Chenguang; Zhong, Xinghua; Zhuang, Yin; Ni, Jinxing; Tao, Shunyan
2017
Source PublicationCeramics International
ISSN02728842
Volume43Issue:2Pages:2305-2313
AbstractPlasma spray-physical vapor deposition (PS-PVD) is a novel technique which can offer new opportunities to obtain advanced microstructures. In this study, dense yttria-stabilized zirconia (YSZ) coatings were deposited using PS-PVD with proper parameters. The dependencies of the microstructure of the as-sprayed coatings on axial spray distance and radial position were discussed. Four typical coatings were selected for the current work. The corresponding microstructures, phase compositions and mechanical properties were studied in detail. These as-sprayed coatings had dense lamellar or lamellar/columnar hybrid microstructures, the lowest porosity was 0.44%. Both monoclinic and tetragonal zirconia were detected in the as-sprayed coatings. The distribution of yttrium was not homogeneous, especially in the coatings deposited at shorter spray distance. Furthermore, oxygen got lost partly during the spraying process with decreasing spray distance. The hardness (H) and Young's modulus (E) of the coatings changed simultaneously with the different microstructures. The maximum values of H and E were 16.6±0.6 and 234.3±10.1 GPa respectively, which were found in the densest coatings. The dense PS-PVD ceramic coatings might be applicable in anti-corrosion fields (such as alkali corrosion, marine corrosion and hot corrosion). © 2016 Elsevier Ltd and Techna Group S.r.l.
DOI10.1016/j.ceramint.2016.11.014
EI Accession Number20165203160997
EI KeywordsSprayed coatings
EI Classification Number471.4 Seawater, Tides and Waves - 804.2 Inorganic Compounds - 813.2 Coating Materials - 931.2 Physical Properties of Gases, Liquids and Solids - 932.3 Plasma Physics - 951 Materials Science
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Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/25830
Collection中国科学院上海硅酸盐研究所
AffiliationThe Key Laboratory of Inorganic Coating Materials CAS, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai; 201899, China
Recommended Citation
GB/T 7714
Shao, Fang,Zhao, Huayu,Liu, Chenguang,et al. Dense yttria-stabilized zirconia coatings fabricated by plasma spray-physical vapor deposition[J]. Ceramics International,2017,43(2):2305-2313.
APA Shao, Fang.,Zhao, Huayu.,Liu, Chenguang.,Zhong, Xinghua.,Zhuang, Yin.,...&Tao, Shunyan.(2017).Dense yttria-stabilized zirconia coatings fabricated by plasma spray-physical vapor deposition.Ceramics International,43(2),2305-2313.
MLA Shao, Fang,et al."Dense yttria-stabilized zirconia coatings fabricated by plasma spray-physical vapor deposition".Ceramics International 43.2(2017):2305-2313.
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