The internal oxidation of ternary alloys. VIII: The transition from the internal to the external oxidation of the two most-reactive components under high-oxidant pressures

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	The internal oxidation of ternary alloys. VIII: The transition from the internal to the external oxidation of the two most-reactive components under high-oxidant pressures
	Y. Niu; F. Gesmundo
	2006
发表期刊	Oxidation of Metals
ISSN	0030-770X
卷号	65 期号:5-6 页码:329-355
摘要	Ternary A-B-C alloys, where A is the most-noble and C the most-reactive component, exposed to oxygen pressures above the stability of the least stable oxide AO (high-oxidant pressures) may present two different types of internal oxidation, i.e. either a coupled internal oxidation of both B and C beneath an external AO scale or a single internal oxidation of C beneath an external scale of the oxide of B. This paper examines the conditions required to avoid the coupled internal oxidation of B plus C beneath external AO scales, considering both the case of formation of a single and a double front of internal oxidation. The analysis, based on an extension to ternary alloys of the criterion defined by Wagner for the transition between the internal and external oxidation of the most-reactive component of binary alloys, shows that the addition of B to binary A-C alloys is very effective in reducing the C content needed for this transition in comparison with binary A-C alloys. This results provides a basis for a possible explanation of the third-element effect. However, the actual possibility of its occurrence depends also on the ability to avoid other oxidation modes, not examined here.
部门归属	chinese acad sci, inst met res, state key lab corros & protect, shenang 110016, peoples r china. dlchepuniv genova, i-16129 genoa, italy.;niu, y (reprint author), chinese acad sci, inst met res, state key lab corros & protect, wencui rd 62, shenang 110016, peoples r china;yniu@imr.ac.cn
关键词	Ternary Alloys Transition To The External Oxidation High-oxidant Pressures 2-phase Binary-alloys Cr-al Alloys High-temperature Oxidation Forming Insoluble Oxides Possible Scaling Modes Fe-cu Alloys Air Oxidation Approximate Analysis H-2-h2s Mixtures Diffusion
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WOS记录号	WOS:000241356600003
引用统计	被引频次：17[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/34411
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	Y. Niu,F. Gesmundo. The internal oxidation of ternary alloys. VIII: The transition from the internal to the external oxidation of the two most-reactive components under high-oxidant pressures[J]. Oxidation of Metals,2006,65(5-6):329-355.
APA	Y. Niu,&F. Gesmundo.(2006).The internal oxidation of ternary alloys. VIII: The transition from the internal to the external oxidation of the two most-reactive components under high-oxidant pressures.Oxidation of Metals,65(5-6),329-355.
MLA	Y. Niu,et al."The internal oxidation of ternary alloys. VIII: The transition from the internal to the external oxidation of the two most-reactive components under high-oxidant pressures".Oxidation of Metals 65.5-6(2006):329-355.