The efficiency of thermal power plants is related to operating steam pressure and temperature. In many countries the need to maximize performance and minimize emissions, provide an incentive to build new power plants. Improvements to design offer important benefits for these generating stations. An enabling technology to greater efficiency is also the development and use of engineering materials with superior properties. The new steels and other alloys offer significant advantages when plants must operate in ‘flexible’ mode. The greater material strength permits components to be made with lower wall thickness. However, it is important that the higher strength is not achieved at the expense of ductility since poor creep ductility is known to be one factor linked to ‘burst’ type fractures. This paper outlines EPRI collaborative work associated with the fabrication and operation of tempered martensitic steel components used in advanced power plant.
- Pressure Vessels and Piping Division
Factors Affecting Cyclic Performance of Tempered Martensitic Steels
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Parker, J. "Factors Affecting Cyclic Performance of Tempered Martensitic Steels." Proceedings of the ASME 2016 Pressure Vessels and Piping Conference. Volume 5: High-Pressure Technology; Rudy Scavuzzo Student Paper Symposium and 24th Annual Student Paper Competition; ASME Nondestructive Evaluation, Diagnosis and Prognosis Division (NDPD); Electric Power Research Institute (EPRI) Creep Fatigue Workshop. Vancouver, British Columbia, Canada. July 17–21, 2016. V005T12A008. ASME. https://doi.org/10.1115/PVP2016-63980
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