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Anglický jazyk
Nickel base Superalloys for High Efficiency Power Plant
Autor: Ram Krishna
Nickel-based superalloys are currently being investigated for high-temperature applications in advanced steam power plant operating at temperatures of 700°C and above. Three nickel-based superalloys Inconel 617, Inconel 625 and Nimonic 263 alloys, which... Viac o knihe
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O knihe
Nickel-based superalloys are currently being investigated for high-temperature applications in advanced steam power plant operating at temperatures of 700°C and above. Three nickel-based superalloys Inconel 617, Inconel 625 and Nimonic 263 alloys, which are of primary interest for boiler technology components such as furnace walls, superheater tubes, header and steam pipes, etc and for steam turbine technology components such as HP &IP cylinders, rotor forgings, casing and valve chest, blading, etc., have been evaluated for long and short term creep performance. Creep deformation processes occurring at high temperatures and stresses lead to the evolution of microstructures in the form of precipitation, precipitate coarsening and recovery effects. The deterioration in mechanical properties as a result of this microstructural change has been evaluated by hardness testing. This work discusses the microstructural evolution occurring in alloys in samples that have been creep-exposed at a series of temperatures from 650°C to 775°C and for durations from 1000 to 45,000 hours using advanced FEGSEM, TEM, XRD and phase extraction techniques. The fractions and morphology of different phases,
- Vydavateľstvo: LAP LAMBERT Academic Publishing
- Rok vydania: 2021
- Formát: Paperback
- Rozmer: 220 x 150 mm
- Jazyk: Anglický jazyk
- ISBN: 9786200501509
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