High-temperature oxidation of NiCrAlY/(ZrO2-Y2O3 and ZrO2-CeO2-Y2O3) composite coatings

被引：12

作者：

Lee, DB ^{[1
]}

Lee, C

机构：

[1] Sungkyunkwan Univ, Ctr Adv Plasma Surface Technol, Suwon 440746, South Korea

[2] Hanyang Univ, Div Mat Sci & Engn, Seoul 133791, South Korea

来源：

SURFACE & COATINGS TECHNOLOGY | 2005年 / 193卷 / 1-3期

关键词：

air plasma spray; coating; NiCrAlY; zirconia; oxidation;

D O I：

10.1016/j.surfcoat.2004.08.140

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Metal/ceramic coatings of Ni-22Cr-10Al-1Y/ZrO2-8Y(2)O(3) and Ni-22Cr-10Al-1Y/ZrO2-25CeO(2)-2.5Y(2)O(3), which were prepared by the air plasma spray method, were oxidized at 900, 1000, and 1100 degrees C in air. The major oxidation product was alpha-Al2O3, which was formed by the reaction of inwardly penetrating oxygen ions with Al at the metal/ceramic phase boundaries. The oxidation of Ni and, moreover, Cr also occurred to a certain extent. (c) 2004 Elsevier B.V. All rights reserved.

引用

页码：239 / 242

页数：4

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