Cyclic oxidation of Ti3AlC2 at 1000-1300 °C in air

被引：57
作者：
Qian, X. K. [1 ,2 ]
He, X. D. [1 ]
Li, Y. B. [1 ]
Sun, Y. [1 ]
Li, H. [2 ]
Xu, D. L. [2 ]
机构：
[1] Harbin Inst Technol, Ctr Composite Mat & Struct, Harbin 150080, Peoples R China
[2] Xian Univ Architecture & Technol, Sch Mat Sci & Engn, Xian 710055, Peoples R China
来源：
CORROSION SCIENCE | 2011年 / 53卷 / 01期
基金：
美国国家科学基金会;
关键词：
Ceramic; SEM; XRD; Oxidation; Interfaces; HIGH-TEMPERATURE; ISOTHERMAL OXIDATION; BEHAVIOR; TI3SIC2; ALLOYS; 1200-DEGREES-C; 900-DEGREES-C; ADHESION;
D O I：
10.1016/j.corsci.2010.09.033
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The cyclic-oxidation behavior of Ti3AlC2 was investigated at 1000-1300 degrees C in air for up 40 cycles It was revealed that Ti3AlC2 had excellent resistance to thermal cycling The cyclic oxidation of Ti3AlC2 basically obeyed a parabolic law In all cases the scales were dense resistant to spalling and highly stratified The inner continuous alpha-Al2O3 layer was well adhesive while the outermost layer changed from rutile TiO2 at temperatures below 1100 degrees C to Al2TiO5 at 1200 and 1300 degrees C respectively At 1300 degrees C a mechanical-keying structure of inner Al2O3 to the Ti3AlC2 substrate formed which improved the resistance to scale-spallation (C) 2010 Elsevier Ltd All rights reserved
引用
收藏
页码：290 / 295
页数：6
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