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

页码：43 / 48

页数：6

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