Effect of WB on oxidation behavior and microstructure evolution of ZrB2-SiC coating

被引：28

作者：

Li, Chong ^{[1
,2
]}

Niu, Yaran ^{[1
]}

Liu, Tao ^{[1
,2
]}

Huang, Liping ^{[1
]}

Zhong, Xin ^{[1
]}

Zheng, Xuebin ^{[1
]}

Ding, Chuanxian ^{[1
]}

机构：

[1] Chinese Acad Sci, Shanghai Inst Ceram, Key Lab Inorgan Coating Mat CAS, Shanghai 200050, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

来源：

CORROSION SCIENCE | 2019年 / 155卷

关键词：

ZrB2-SiC composite coating; WB; Vacuum plasma spray; Oxidation behavior; Microstructure; HIGH TEMPERATURE CERAMICS; ZIRCONIUM DIBORIDE; RESISTANCE; COMPOSITES; CARBIDE; TRANSITION;

D O I：

10.1016/j.corsci.2019.04.034

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this work, different contents (5, 10, 15 mol.%) of WB were introduced into ZrB2-SiC coatings which were fabricated by vacuum plasma spray technique. The oxidation resistant property of the ZrB2-SiC-WB ternary composite coatings was evaluated in static air at 1500 degrees C. The results showed that appropriate amount of WB addition significantly improved the oxidation resistance of ZrB2-SiC coating, as proved by the reduced weight gain and increased thickness of the liquid layer. The influence of WB and its oxidation product WO3 were analyzed based on the microstructure changes and thermodynamic calculations in detail.

引用

页码：155 / 163

页数：9

共 36 条

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