Synthesis and oxidation of Ti2InC, Zr2InC, (Ti0.5,Zr0.5)2InC and (Ti0.5,Hf0.5)2InC in air

被引：22

作者：

Gupta, S. ^{[1
]}

Hoffman, E. N. ^{[1
]}

Barsoum, M. W. ^{[1
]}

机构：

[1] Drexel Univ, Dept Mat Sci & Engn, Philadelphia, PA 19104 USA

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2006年 / 426卷 / 1-2期

关键词：

MAX phases; ternary carbides; oxidation; oxides; In2O3; GRAIN-SIZE; TIN+1ALXN N=1-3; STRAIN-RATE; TEMPERATURE; TI3SIC2; CREEP;

D O I：

10.1016/j.jallcom.2006.02.049

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：

In this paper, we report on the synthesis and oxidation behavior of Ti2InC, Zr2InC, (Ti-0.5,Hf-0.5)(2)InC and (Ti-0.5,Zr-0.5)(2)InC. The oxidation kinetics were studied thermogravimetrically in air in the 400-700 degrees C temperature range. With the exception of Ti2InC, the oxide layers formed failed to offer any oxidation resistance at 400 degrees C or higher temperatures. The reaction products are In2O3, in which some transition metal ions are probably dissolved, and the transition metal oxides. The latter are either amorphous or nanocrystalline. In the case of Ti2InC, a protective oxide was formed at 500 degrees C. However, at higher temperatures, after an incubation period, catastrophic oxidation ensued. In all cases, the oxidation occurred by the inward diffusion of oxygen. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：168 / 175

页数：8

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