ZrO2 and Y2O3-stablized ZrO2 coatings deposited using an arc ion plating technique

被引：0

作者：

Wang, Qi Min ^{[1
,2
]}

Gong, Jun ^{[1
]}

Sun, Chao ^{[1
]}

Lee, Hyung Woo ^{[2
]}

Kim, Kwang Ho ^{[2
]}

机构：

[1] Acad Sinica, Inst Met Res, Div Surface Engn Mat, Shenyang 110015, Peoples R China

[2] Pusan Natl Univ, Natl Core Res Ctr Hybrid Mat Solut, Pusan 609735, South Korea

来源：

JOURNAL OF CERAMIC PROCESSING RESEARCH | 2011年 / 12卷 / 03期

基金：

美国国家科学基金会;

关键词：

ZrO2; coating; Arc ion plating; Phase structure; Thermal stability; Thermal shock resistance; THERMAL BARRIER COATINGS; CHEMICAL-VAPOR-DEPOSITION; THIN-FILMS; ZIRCONIA; MICROSTRUCTURE; PLASMA; OXYGEN;

D O I：

暂无

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

ZrO2 and Y2O3-stablixed ZrO2 (YSZ) coatings were deposited on NiCoCrAlY coated superalloys using an arc ion plating system. The crystalline structure, chemical composition, and morphology of the coatings were systematically investigated using X-ray diffraction, X-ray photoelectron spectroscopy, as well as scanning electron microscopy. The thermal stability of YSZ coatings were investigated by oxidation and thermal shock tests. The results showed that near-stoichiometric ZrO2 coatings can be obtained at a relatively large range of O-2 flow rates (134-400 sccm), with the main phase of monolithic zirconia being identified. YSZ coatings exhibited excellent thermal stability in the oxidation and thermal shock tests. Before and after thermal tests, only the tetragonal zirconia (t-ZrO2) phase was identified in the YSZ coatings.

引用

页码：259 / 264

页数：6

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