Abstract
The creep and fatigue life testing was carried for the powder metallurgical (PM) alloy FGH95 at 550, 600 and 650 °C. The creep life and the fatigue life at different stress and strain level are obtained from the experiment data. By taking the uncertainty of the mechanical behavior into consideration, the probability density function curves of creep life and fatigue life are provided by statistical method. Then the curve of the creep life-stress is fitted at different temperature for the given confident level, and that of the fatigue life-stress range is fitted as well. The finite element method is employed to calculate the actual stress at the most dangerous point of the PM turbine disc applied by the cyclic working load. The safe life of the powder metallurgy turbine disc with the given confident level is obtained by the above fitted experimental life curves at different temperature.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
