|About this Abstract
||2016 TMS Annual Meeting & Exhibition
||Materials in Clean Power Systems IX: Durability of Materials
||M-1: Effect of High Temperature Cyclic Oxidation on the Deformation of ODS and Cast FeCrAlY Alloys
||Josh Turan, , Michael J Lance, Bruce A Pint
|On-Site Speaker (Planned)
FeCrAlY alloys are of interest for high temperature applications due to their superior oxidation resistance at temperatures exceeding 1200°C. In addition, oxide dispersion strengthened (ODS) FeCrAlY alloys exhibit exceptional high temperature creep properties. 3 ODS and 4 cast FeCrAlY(+Hf) alloys have been cycled at 1200°C with a 1h hold time for the purpose of following 3D deformation and mass gain with time. The evolution of surface roughness, oxide scale adhesion and stress in the oxide scale was also investigated. The two cast FeCrAlHf alloys experienced significantly more deformation than the cast FeCrAlY and ODS FeCrAlY alloys. However, early signs of spallation were observed on the commercial ODS MA956 and PM2000 specimens. The impact of alloy creep strength on specimen deformation and scale adhesion will be discussed.
Research sponsored by the Crosscutting Research Program, Office of Fossil Energy, U.S. Department of Energy.
||Planned: A print-only volume