Operation Reliability of Bent Elbows of Steam Pipelines


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The number of potentially dangerous equipment that has completed its established operational time, but is still being used, is permanently increasing. Therefore there is a problem of its further operations. A decision to continue to operate power-generating plants, when the initial resource of the equipment’s working time is ended, and its further operation without considerable expenditures on repair and the diagnostic of a metal state is possible only with the help of long-term research of metal in power-generating plants. Only a complex of research techniques can estimate the real state of a construction. In the article problems connected with the definition of operation reliability of steam pipeline elbows are investigated. Different areas of an elbow were researched. Results of a microstructure analysis, and mechanical characteristics (time history) research of an elbow metal are presented. Also results of calculation of an elbow on low - cyclic thermal fatigue are presented.



Solid State Phenomena (Volume 113)

Edited by:

Nin Bizys, Andrejus Henrikas Marcinkevicius






V. Rudzinskas et al., "Operation Reliability of Bent Elbows of Steam Pipelines", Solid State Phenomena, Vol. 113, pp. 577-582, 2006

Online since:

June 2006




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