Oxidation behaviour of zirconium diboride-silicon carbide ceramic composites under low oxygen partial pressure

被引：45
|
作者：
Tian, Chengyi [1 ]
Gao, Dong [1 ]
Zhang, Yue [1 ]
Xu, Chunlai [2 ]
Song, Yang [2 ]
Shi, Xiaobin [2 ]
机构：
[1] Beihang Univ, Sch Mat Sci & Engn, Minist Educ, Key Lab Aerosp Mat & Performance, Beijing 100191, Peoples R China
[2] Natl Key Lab Adv Funct Composite Mat Technol, Beijing 100076, Peoples R China
来源：
CORROSION SCIENCE | 2011年 / 53卷 / 11期
关键词：
Ceramic matrix composites; Oxidation; SEM; HIGH-TEMPERATURE CERAMICS; RESISTANCE; ZRB2;
D O I：
10.1016/j.corsci.2011.07.020
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The oxidation behaviour of ZrB2-based ceramics under low oxygen partial pressure ranged from 0.5 to 1.5 kPa was investigated. Low oxygen partial pressure was found to have remarkable effect on phase composition of the surface and the structures of oxide scale. And the thickness and microstructures of oxide scale was characterized by using scanning electron microscopy and X-ray diffraction analysis. The results indicate that the oxidation mechanism of ZrB2-based ceramics changes under low oxygen partial pressure, and the oxidation resistance increases with the reduction of oxygen partial pressure. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：3742 / 3746
页数：5
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