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DOE OSTI · 3021572

An accelerated framework for predicting creep rupture lifetimes in engineering alloys

Hoang, Minh-Tam [Univ. of Minnesota, Minneapolis, MN (United States)] (ORCID:0000000283317681)·Joy, Jobin [Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)] (ORCID:000000025251763X)·Hintsala, Eric [Bruker NANO, Eden Prairie, MN (United States)]·Schmalbach, Kevin [Bruker NANO, Eden Prairie, MN (United States)] (ORCID:0000000248249900)·Stauffer, Douglas D. [Bruker NANO, Eden Prairie, MN (United States)]·Talapatra, Anjana Anu [Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)] (ORCID:0000000264462437)·Sau, Moujhuri [Univ. of Minnesota, Minneapolis, MN (United States)]·Cheng, Justin Y. [Univ. of Minnesota, Minneapolis, MN (United States)]·Yamamoto, Yukinori [Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)] (ORCID:0000000345744890)·Eftink, Benjamin P. [Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)] (ORCID:0000000203089368)·Capolungo, Laurent [Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)] (ORCID:0000000180797790)·Mara, Nathan A. [Univ. of Minnesota, Minneapolis, MN (United States)] (ORCID:0000000291354693)
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Abstract

Confidently predicting high-temperature deformation, including creep and creep rupture, is paramount for the design and commercialization of candidate materials for advanced nuclear energy systems. To accelerate creep quantification, we introduce a framework that enables rapid, cost-effective, and reliable prediction of creep rupture lifetimes, minimizing reliance on time-intensive bulk creep testing. Unlike conventional creep analysis, which requires extensive time and resources, our method leverages a maximum of four short-term bulk creep tests as training data for prediction. This framework combines high-throughput nanoindentation up to 700 °C with these targeted bulk tests to inform our creep rupture model in order to predict rupture lifetimes. The strong agreement between our predictions and conventional experimental data demonstrates the effectiveness of our approach for accelerated creep analysis and lifetime prediction of structural components in high-temperature applications. Our multi-pronged approach motivates further integration of computational tools and advanced instrumentation to establish a universal framework for understanding high-temperature material responses.

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36 MATERIALS SCIENCECreep ruptureDeformation mechanismLifetime predictionNanoindentationNuclear alloysPower-law creep

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Hoang, Minh-Tam [Univ. of Minnesota, Minneapolis, MN (United States)] (ORCID:0000000283317681), Joy, Jobin [Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)] (ORCID:000000025251763X), Hintsala, Eric [Bruker NANO, Eden Prairie, MN (United States)], Schmalbach, Kevin [Bruker NANO, Eden Prairie, MN (United States)] (ORCID:0000000248249900), Stauffer, Douglas D. [Bruker NANO, Eden Prairie, MN (United States)], Talapatra, Anjana Anu [Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)] (ORCID:0000000264462437), Sau, Moujhuri [Univ. of Minnesota, Minneapolis, MN (United States)], Cheng, Justin Y. [Univ. of Minnesota, Minneapolis, MN (United States)], Yamamoto, Yukinori [Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)] (ORCID:0000000345744890), Eftink, Benjamin P. [Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)] (ORCID:0000000203089368), Capolungo, Laurent [Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)] (ORCID:0000000180797790), Mara, Nathan A. [Univ. of Minnesota, Minneapolis, MN (United States)] (ORCID:0000000291354693). 2025-12-10. An accelerated framework for predicting creep rupture lifetimes in engineering alloys. https://doi.org/10.1016/j.matdes.2025.115308

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