Highly improved oxidation resistance of TiC-SKD11 composite by SiC/TiB2 based hybrid coating

被引：10

作者：

Cho, Seungchan ^{[1
]}

Jo, Ilguk ^{[1
]}

Lee, Yeong-Hwan ^{[1
]}

Yoo, Yeon Woo ^{[2
]}

Byon, Eungsun ^{[2
]}

Lee, Sang-Kwan ^{[1
]}

Lee, Sang-Bok ^{[1
]}

机构：

[1] KIMS, Composites Res Div, Chang Won 51508, South Korea

[2] KIMS, Plasma Coating Technol Dept, Chang Won 51508, South Korea

来源：

APPLIED SURFACE SCIENCE | 2018年 / 448卷

关键词：

Titanium diboride (TiB2); Silicon carbide (SiC); Relative volume expansion (RVE); Oxidation; Metal matrix composite; Coating; HIGH-TEMPERATURE; DEGREES-C; STEEL; BEHAVIOR; SURFACE; TIB2; GRAPHITE; STRENGTH; POWDERS; ALLOYS;

D O I：

10.1016/j.apsusc.2018.04.156

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Oxidation resistance of TiC-SKD11 composite has been improved through SiC/TiB2 based hybrid coating by a simple air spray process and subsequent transition to dense and stable phases in oxidation environment. As a result of the oxidation test at 700 degrees C for up to 50 h, the coated TiC-SKD11 composite exhibited excellent oxidation resistance characteristics compared with the uncoated TiC-SKD11 composite, and also compared to SUS431 and 17-4PH. The formation of a thermally stable, volume-expanded SiO2 and TiO2 coating layer with the aid of B2O3 by phase transition of TiB2/SiC based hybrid coating under oxidation atmosphere is the origin of the improved anti-oxidation ability of the TiC-SKD11 composite. (C) 2018 Elsevier B.V. All rights reserved.

引用

页码：407 / 415

页数：9

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