University of Nevada, Las Vegas
Las Vegas (Nev.)
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Alloy EP-823 has been developed as a structural material for Lead Bismuth Eutectic (LBE) systems, such as those under development for nuclear transmutation systems, as well as other applications. However, very little data regarding the mechanical properties of this alloy exists in the open literature, particularly in the temperature regime of interest for transmutation systems. To address this need, the UNLV research team, in collaboration with researchers from Los Alamos National Laboratory, has developed a research program to evaluate tensile properties of Alloy EP-823 stainless steel at elevated temperatures, which is not being performed at any other facility to date. Overall, results will lead to the development of a mechanistic understanding of the elevated-temperature deformation processes in this alloy as a function of thermal treatment.
The proposed research program will also generate the following data:
• Uniform elongation vs. temperature;
• Reduction in area vs. temperature;
• Yield strength vs. temperature;
• Ultimate tensile strength vs. temperature;
• Metallurgical microstructure vs. thermal treatment;
• Failure mode (ductile vs. brittle) vs. thermal treatment; and,
• Deformation modes (TEM).
Accelerator-driven systems; Alloy EP-823; Deformations (Mechanics); Metals — Effect of high temperatures on; Nuclear reactors — Materials — Testing; Martensitic stainless steel — Ductility; Strength of materials
Deformations (Mechanics); Metals--Effect of high temperatures on; Nuclear reactors--Materials--Testing
Materials Science and Engineering | Metallurgy | Nuclear Engineering | Oil, Gas, and Energy
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Roy, A. K.,
Development of a Mechanistic Understanding of High-Temperature Deformation of Alloy EP-823.
Available at: https://digitalscholarship.unlv.edu/hrc_trp_sciences_materials/84