Cracks in steam turbine components

被引：5

作者：

Ghosh, SJ ^{[1
]}

Srivastava, A ^{[1
]}

机构：

[1] Bharat Heavy Elect Ltd, Ranipur 249403, Hardwar, India

来源：

RUSSIAN JOURNAL OF NONDESTRUCTIVE TESTING | 2006年 / 42卷 / 02期

关键词：

India; Steam; Structural Material; Specific Location; Site Test;

D O I：

10.1134/S1061830906020112

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Steam turbine components that operate under conditions of high temperatures and/or stresses develop cracks. The tests carried out during residual-life assessment attempt to detect these cracks, so that proper actions can be taken. As the only manufacturer of large steam turbines in India, Bharat Heavy Electricals Ltd. is the major agency carrying out this work. However, as the analysis of RLA data of numerous USSR and KWU design turbines shows, most of the components have certain specific locations, depending on design and unit rating, where cracks occur. The authors suggest that it may be more productive and prudent to concentrate on these locations during site tests.

引用

页码：134 / 146

页数：13

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