Oxidation of Zr(2) Al(Si) (4)C(5) and Zr(3) Al(Si) (4)C(6) in air

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	Oxidation of Zr(2) Al(Si) (4)C(5) and Zr(3) Al(Si) (4)C(6) in air
	L. F. He; Y. W. Bao; M. S. Li; J. Y. Wang; Y. C. Zhou
	2008
发表期刊	Journal of Materials Research
ISSN	0884-2914
卷号	23 期号:12 页码:3339-3346
摘要	The oxidation behavior of Zr(2)[Al(Si)](4)C(5) and Zr(3)[Al(Si)](4)C(6) in air has been investigated. The oxidation kinetics of bulk Zr(2)[Al(Si)](4)C(5) and Zr(3)[Al(Si)](4)C(6) at 900-1300 degrees C generally follow a parabolic law at a very short initial stage and then a linear law for a long period with the activation energy of 237.9 and 226.8 kJ/mol, respectively. The oxide scales have a duplex structure, consisting of mainly an outer porous layer of ZrO(2), Al(2)O(3), and aluminosilicate/mullite, and a thin inner compact layer of these oxides plus remaining carbon. The oxidation resistance of Zr(2)[Al(Si)](4)C(5) and Zr(3)[Al(Si)](4)C(6) has been improved compared with Zr(2)Al(3)C(4), and is much better than Zr(3)[Al(Si)](4)C(6) to larger fraction of protective oxidation products, Al(2)O(3) and aluminosilicate/mullite.
部门归属	[he, l. f.; bao, y. w.; li, m. s.; wang, j. y.; zhou, y. c.] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. [he, l. f.] chinese acad sci, grad sch, beijing 100039, peoples r china.;zhou, yc (reprint author), chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china;yczhou@imr.ac.cn
关键词	Single-crystals Thermoelectric Properties Zrc/zro2 Interface Zirconium Carbide High-temperatures Bulk Zr2al3c4 Carbon Mullite Microstructure Ceramics
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文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/32800
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	L. F. He,Y. W. Bao,M. S. Li,et al. Oxidation of Zr(2) Al(Si) (4)C(5) and Zr(3) Al(Si) (4)C(6) in air[J]. Journal of Materials Research,2008,23(12):3339-3346.
APA	L. F. He,Y. W. Bao,M. S. Li,J. Y. Wang,&Y. C. Zhou.(2008).Oxidation of Zr(2) Al(Si) (4)C(5) and Zr(3) Al(Si) (4)C(6) in air.Journal of Materials Research,23(12),3339-3346.
MLA	L. F. He,et al."Oxidation of Zr(2) Al(Si) (4)C(5) and Zr(3) Al(Si) (4)C(6) in air".Journal of Materials Research 23.12(2008):3339-3346.