Model of the rapid stage of the catastrophic oxidation of metals

被引：16

作者：

Belousov, VV

Bokshtein, BS

机构：

[1] Inst Steel, Moscow 127411, Russia

[2] Moscow Steel & Alloys Inst, Moscow 117936, Russia

来源：

OXIDATION OF METALS | 1998年 / 50卷 / 5-6期

关键词：

catastrophic oxidation; liquid-channel grain-boundary structure; liquid layer; kinetics; hot corrosion;

D O I：

10.1023/A:1018852708009

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

It is known that the catastrophic oxidation of metals (COM) is comprized of two stages. rapid and super rapid. The present work is devoted to a theoretical analysis of the rapid stage. A model based on the concept of a liquid-channel grain-boundary structure (LGBS) is proposed. This model allows one to obtain a parabolic rate law of oxidation, which was observed experimentally. Calculated values of various kinetics parameters are given and compared to experimental data, which makes it possible to judge the applicability of the model.

引用

页码：389 / 397

页数：9

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