Structures and Transitions in BCC Tungsten Grain Boundaries and Their Role in the Absorption of Point Deffects

Technical Report · Mon Aug 20 00:00:00 EDT 2018

DOI:https://doi.org/10.2172/1466123· OSTI ID:1466123

Rudd, R. E. ^[1]; Frolov, Timofey ^[1]

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1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)

The objective of this study is to apply a new computational methodology to predict structure and energies of many tungsten grain boundaries, to inform the search for the high-temperature grain boundary phases. Grain boundary properties are needed for thermomechanical model of recrystallization of tungsten for magnetic fusion applications being developed by the Marian Group at UCLA.

• Research Organization: Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
• Sponsoring Organization: USDOE National Nuclear Security Administration (NNSA)
• DOE Contract Number: AC52-07NA27344
• OSTI ID: 1466123
• Report Number(s): LLNL-TR-754792; 941586
• Country of Publication: United States
• Language: English