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Materials Science and Engineering
University of Nevada, Las Vegas
Alloys – Corrosion; Alloys – Testing; Chromium alloys – Testing; Chromium alloys – Corrosion; Metallurgy; Molybdenum alloys – Testing; Molybdenum alloys – Corrosion; Nevada – Yucca Mountain; Radioactive waste canisters; Radioactive wastes – Storage – Research; Tungsten alloys – Testing; Tungsten alloys – Corrosion
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Final Report: Phase Stability And Segregation In Alloy 22 Base Metal And Weldments, Jeffrey Lacombe
Final Report: Phase Stability And Segregation In Alloy 22 Base Metal And Weldments, Jeffrey Lacombe
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At the outset of this project, the design of the waste disposal containers relied heavily on encasement in a multi-layered container, featuring a corrosion barrier of Alloy 22, a Ni-Cr- Mo-W based alloy with excellent corrosion resistance over a wide range of conditions. The fundamental concern from the perspective of the Yucca Mountain Project, however, was the inherent uncertainty in the (very) long-term stability of the base metal and welds. Should the properties of the selected materials change over the long service life of the waste packages, it was conceivable that the desired performance characteristics (such as corrosion resistance) would …