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Meeting 2017 TMS Annual Meeting & Exhibition
Symposium 2017 Technical Division Young Professional Poster Competition
Presentation Title YP-10: Effect of Neutron Irradiation on Friction Stir Processed ODS Alloys (MA956 and MA754)
Author(s) Ramprashad Prabhakaran, Yaqiao Wu, Jatu Burns, James Cole, Indrajit Charit, Rajiv S Mishra, KL Murty, TS Byun
On-Site Speaker (Planned) Ramprashad Prabhakaran
Abstract Scope Efforts are ongoing to examine the feasibility of using oxide dispersion strengthened (ODS) alloys in advanced nuclear reactors. Conventional fusion welding of ODS alloys could cause various undesirable effects such as the coalescence of oxide dispersoids and generation of significant porosity. Hence, friction stir welding (FSW) was used to weld iron-based MA956 plates and nickel-based MA754 alloys separately in a bead-on-plate configuration. Higher weld efficiencies were achieved in both alloys. Microhardness and mini-tensile testing of the parent and processed materials were carried out to evaluate the mechanical properties. EBSD, TEM and APT were used to evaluate the microstructural characteristics of the parent and processed materials. Both parent and processed specimens were irradiated in the Advanced Test Reactor (ATR) for 1 and 2 dpa. The irradiated materials were characterized using microhardness testing, EBSD and TEM analyses.
Proceedings Inclusion? Undecided

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

YP-10: Effect of Neutron Irradiation on Friction Stir Processed ODS Alloys (MA956 and MA754)
YP-11: In Situ Ion Irradiation of Multilayer (TiN, TiAlN) Ceramic Coating for Accident Tolerant Zr-alloy Fuel Claddings
YP-12: Study of Magneto-optical Characteristics of Cerium Substituted Yttrium Iron Garnet Thin Films on Quartz Substrates
YP-1: Influence of Dissolved Oxygen Content on the Oxidation Behavior of Ni-based Alloys in High Temperature Water Vapor
YP-2: Isothermal and Non-isothermal Studies of Pt-Rh Thermocouple Failure Caused by Two Phosphorus Diffusion Mechanisms
YP-3: Effect of Hot Extrusion on Mechanical and Corrosion Properties of a MgCaSr Alloy
YP-4: Increased Shear Deformation through Friction Stir Back Extrusion of Mg AZ31B: Textural Evolution and Its Relationship to Mechanical Properties
YP-5 A Study of Brittle Fracture Mechanism of Non-quenched and Tempered N80 Tubing Used in Gas and Oil Well
YP-6: Commercial-ready Large Scale Manufacturing of Light-weight Aluminum Metal Matrix Composite
YP-7: Octo-Strain: A Novel Multiaxial Loading Device for In-situ Stress Measurements through Neutron Diffraction
YP-8: The Materials Science behind Ice Cream Making
YP-9: Body-centered Phase of Shock Loaded Single Crystal Copper

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