PREDICTION OF THE CORROSION CRACKING OF STRUCTURES UNDER THE CONDITIONS OF HIGH-TEMPERATURE CREEP

被引：0

作者：

Morachkovskii, O. K. ^{[1
]}

Romashov, Yu. V. ^{[1
]}

机构：

[1] Natl Tech Univ, Kharkov Polytech Inst, Kharkov, Ukraine

来源：

MATERIALS SCIENCE | 2011年 / 46卷 / 05期

关键词：

corrosion cracking; creep; damageability; Bubnov-Galerkin method; pipe under the action of internal pressure;

D O I：

10.1007/s11003-011-9331-7

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

On the basis of the continual model of corrosion crack growth proposed earlier and the well-known incremental-type creep theory, we make an attempt to predict the corrosion cracking of structures under the conditions of high-temperature creep. We propose the mathematical statement of the problem taking into account the influence on corrosion cracking of the properties of corrosive media and the redistribution of stresses in time caused by creep. The Bubnov-Galerkin method is applied for the solution of this problem. An example of prediction of the phenomenon of corrosion cracking in the case of creep of a pipe under the action of internal pressure is analyzed.

引用

页码：613 / 618

页数：6

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