Mechanical Properties of Uranium Silicides by Nanoindentation and Finite Elements Modeling

Carvajal Nunez, Ursula; Elbakhshawan, Mohamed S.; White, Joshua Taylor; Mara, Nathan Allan; Nelson, Andrew Thomas

doi:10.1007/s11837-017-2667-1

Title: Mechanical Properties of Uranium Silicides by Nanoindentation and Finite Elements Modeling

Journal Article · Mon Dec 04 00:00:00 EST 2017 · JOM. Journal of the Minerals, Metals & Materials Society

DOI:https://doi.org/10.1007/s11837-017-2667-1· OSTI ID:1430006

^[1]; Elbakhshawan, Mohamed S. ^[2]; White, Joshua Taylor ^[1];

^[1];

^[1]

Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Brookhaven National Lab. (BNL), Upton, NY (United States)

Three methods were used to measure the mechanical properties of U₃Si, U₃Si₂, and USi. Quasi-static and continuous stiffness measurement nanoindentation were used to determine hardness and Young’s modulus, and microindentation was used to evaluate the bulk hardness. Hardness and Young’s modulus of the three U-Si compounds were both observed to increase with Si content. In conclusion, finite elements modelling was used to validate the nanoindentation data calculated for U₃Si₂ and estimate its yield strength.

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Research Organization:: Los Alamos National Laboratory (LANL), Los Alamos, NM (United States); Brookhaven National Laboratory (BNL), Upton, NY (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Nuclear Physics (NP)

Grant/Contract Number:: AC52-06NA25396; SC0012704

OSTI ID:: 1430006

Alternate ID(s):: OSTI ID: 1412788

Report Number(s):: LA-UR-17-28196; BNL-114812-2017-JA

Journal Information:: JOM. Journal of the Minerals, Metals & Materials Society, Vol. 70, Issue 2; ISSN 1047-4838

Publisher:: SpringerCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 10 works

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References (11)

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Title: Mechanical Properties of Uranium Silicides by Nanoindentation and Finite Elements Modeling

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