Abstract
Waspaloy is a typical Ni-based superalloy that widely used for flue gas turbine blades, and its strengthening phase is Ni3(Al,Ti). Laser cladding is one of the most effective methods for repairing damaged gas turbine blades. TiC particulate reinforced Ni3(Si,Ti) intermetallic matrix composites (IMC) were laser cladded on Waspaloy using Ni-Si-Ti-C powder. The oxidation tests were performed at 1100 °C for 48 h and 95 h in air. The specimens before and after oxidation tests were studied using scanning electron microscopy (SEM), X-ray diffraction (XRD), and electron probe microanalysis (EPMA). Based on SEM and XRD results, the mechanisms of oxidation for the coatings were discussed.Waspaloy is a typical Ni-based superalloy that widely used for flue gas turbine blades, and its strengthening phase is Ni3(Al,Ti). Laser cladding is one of the most effective methods for repairing damaged gas turbine blades. TiC particulate reinforced Ni3(Si,Ti) intermetallic matrix composites (IMC) were laser cladded on Waspaloy using Ni-Si-Ti-C powder. The oxidation tests were performed at 1100 °C for 48 h and 95 h in air. The specimens before and after oxidation tests were studied using scanning electron microscopy (SEM), X-ray diffraction (XRD), and electron probe microanalysis (EPMA). Based on SEM and XRD results, the mechanisms of oxidation for the coatings were discussed.
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.
