PREDICTING THE LIFE OF HIGH-TEMPERATURE STRUCTURAL COMPONENTS IN POWER-PLANTS

被引：5
|
作者：
LIAW, PK
SAXENA, A
SCHAEFER, J
机构：
[1] GEORGIA INST TECHNOL,SCH LIFE SCI,ATLANTA,GA 30332
[2] DETROIT EDISON CO,DETROIT,MI
来源：
JOM-JOURNAL OF THE MINERALS METALS & MATERIALS SOCIETY | 1992年 / 44卷 / 02期
关键词：
D O I：
10.1007/BF03222770
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The concept of time-dependent fracture mechanics has been used to develop the quantitative life-prediction methodology and inspection criteria for high-temperature structural components. As an example, the methodology was applied to steam pipes. Leak-before-break analyses were utilized to determine the flaw inspection criteria of steam pipes. Both static and cyclic loading conditions were included in the life-prediction analyses. Increasing the frequency of shut-downs was found to decrease the remaining life. The effects of operating pressures and temperatures and material properties on the life of steam pipes were quantified.
引用
收藏
页码：43 / 48
页数：6
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