Abstract
Abstract Previous studies performed by TEServices, Sulzer and EPRI showed that GTD111 DS metallurgical and mechanical [stress rupture (SR) and low cycle fatigue (LCF)] properties can be restored close to new with and without hot isostatic pressing (HIP) followed by full solution heat treatment (FSHT). Based on this success, a full rejuvenation heat treatment (FRHT) was developed that can obtain GTD 111DS metallurgical condition and mechanical properties which are better than new. This paper will show the metallurgical condition differences between new material, partial solution heat treatment (PSHT), FRHT and the related mechanical (SR and LCF) properties. A mechanical test was developed that varied exposure of FSHT and FRHT specimens between stress (SR) and fatigue (LCF) which is especially important for high starts and relatively low hour gas turbine operation. This study proved that the FRHT provides superior metallurgical and mechanical properties when compared to FSHT and new GTD 111DS.
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.
