Ultrahigh-temperature oxidation Zr2Al3C4 via rapid induction heating

被引：31

作者：

He, L. F. ^{[1
,2
]}

Zhong, H. B. ^{[1
,2
]}

Xu, J. J. ^{[1
,2
]}

Li, M. S. ^{[1
]}

Bao, Y. W. ^{[1
]}

Wang, J. Y. ^{[1
]}

Zhou, Y. C. ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China

[2] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

来源：

SCRIPTA MATERIALIA | 2009年 / 60卷 / 07期

关键词：

Zr2Al3C4; ZrO2; Al2O3; Oxidation; Induction heating; AL2O3/ZRO2; COMPOSITES; BULK ZR2AL3C4; GRAIN-GROWTH; ALUMINA; COATINGS; YTTRIA;

D O I：

10.1016/j.scriptamat.2008.12.002

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The oxidation behavior of Zr2Al3C4 at 1600 and 1750 degrees C was studied by means of induction heating. The oxidation kinetics follows a linear law and the interfacial reaction between Zr2Al3C4 and O-2 is the rate-limiting step for scale growth. The microstructure of oxide scales gradually changes from intragranular (small ZrO2 particles embedded in large Al2O3 grains) to an interpenetrating dual-phase form its the exposure time increases, which is ascribed to the temperature decay of the top scale surface with scale growth. (C) 2008 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

引用

页码：547 / 550

页数：4

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