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Analysis Of Ni And Fe-Based Alloys For Turbine Seal Ring Applications, Dawei She
Analysis Of Ni And Fe-Based Alloys For Turbine Seal Ring Applications, Dawei She
USF Tampa Graduate Theses and Dissertations
Metal sealing rings have been used widely in compressors, turbines and hydraulic devices. Such rings can extend out due to elasticity, and keep close contact with the valve wall, resulting in the formation of a functional seal under pressure. In this project, the failure of metal sealing rings is considered. Sealing component failure due to stress relaxation can threaten the safety of the whole steam turbine. The object of this study was to examine the stress relaxation response and corresponding changes in microstructure of metal sealing rings used in nuclear steam turbine under high temperature and applied stress. The two …