Influence of variable operating modes of a steam turbine on the growth of creep cracks in the metal of shell parts made of austenitic steel

Results obtained from assessing the crack resistance of type EI-612 VDP steel by testing notched cylindrical samples under the temperature and stress conditions simulating the loading of metal in shell parts in variable operating modes of a steam turbine are presented. Recommendations for conducting...

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Bibliographic Details
Published in:Thermal engineering 2011, Vol.58 (9), p.719-725
Main Author: Gladshtein, V. I.
Format: Article
Language:English
Subjects:
Engineering
Engineering Thermodynamics
Heat and Mass Transfer
Online Access:Get full text
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Summary:Results obtained from assessing the crack resistance of type EI-612 VDP steel by testing notched cylindrical samples under the temperature and stress conditions simulating the loading of metal in shell parts in variable operating modes of a steam turbine are presented. Recommendations for conducting variable operating modes and for the time of carrying out operational checks are given taking into account the influence of cyclic loading on the growth of cracks.
ISSN:0040-6015
1555-6301
DOI:10.1134/S0040601511090059