High temperature oxidation in the context of life assessment and microstructural degradation of weldments of 2.25Cr-1Mo steel

被引：0
|
作者：
Raman, RKS [1 ]
Muddle, BC [1 ]
机构：
[1] Monash Univ, Sch Phys & Mat Engn, Clayton, Vic 3800, Australia
来源：
INTERNATIONAL JOURNAL OF PRESSURE VESSELS AND PIPING | 2002年 / 79卷 / 8-10期
关键词：
life assessment; oxide scales; steam environment; 2.25%Cr-1%Mo steels;
D O I：
10.1016/S0308-0161(02)00093-5
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The prevalence of in-service failures in the welds of chromium-molybdenum ferritic steels causes great concern in steam generating/handling systems of power plants, and components of petroleum/petrochemical industries. This paper is a review of the nonuniform scaling behaviour across microstructural gradients in weldnients of pressure vessel steels in order to develop a global model for life-assessment by relating oxide scale thickness with time-temperature history of in-service components. The paper also investigates gaseous corrosion-assisted deterioration of the weldment microstructure. (C) 2002 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：585 / 590
页数：6
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