A surprising proliferation of detwinning in β-tin at extreme loading rates

Integrating data from dynamic compression experiments of condensed matter across three national laboratories has led to insight and quantitative calibration of materials strength over decades of loading rate. For many materials, a single strength model (such as PTW) is sufficient to capture the flow-stress strain rate relationship which is monotonic. We show here that β -tin, a tetragonal metal, exhibits dramatic deviations from this behavior. Naive fitting to a single PTW model is insufficient to capture the behavior; indeed, such resulting inferred flow stress versus strain exhibits a non-monotonic behavior. We suggest a resolution to this by proposing that in β -tin there are important Bauschinger effects arising from favorable conditions for twinning and detwinning. A simple yield surface model when paired with PTW hardening captures the experimental data.

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Publication Details

Journal
Scripta Materialia
Published
2025-04-28
DOI
https://doi.org/10.1016/j.scriptamat.2025.116727
Citations
2
Primary Topic
Metal and Thin Film Mechanics
Type
article
Field-Weighted Citation Impact
1.73

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article

A surprising proliferation of detwinning in β-tin at extreme loading rates

Saryu Fensin, Jonathan Lind, William J. Schill, Kathleen Schmidt et al.
2 citations
Scripta Materialia
Metal and Thin Film Mechanics
1.73
article

A surprising proliferation of detwinning in β-tin at extreme loading rates

Saryu Fensin, Jonathan Lind, William J. Schill, Kathleen Schmidt, Justin Brown, Thao Nguyen, Matthew Nelms, Nathan R. Barton, Michael B. Prime, Daniel T. Martinez, Joshua Dyer, J. Matthew D. Lane, David R. Jones, C.C. Bataile
article en
2 citations

Abstract

Integrating data from dynamic compression experiments of condensed matter across three national laboratories has led to insight and quantitative calibration of materials strength over decades of loading rate. For many materials, a single strength model (such as PTW) is sufficient to capture the flow-stress strain rate relationship which is monotonic. We show here that β -tin, a tetragonal metal, exhibits dramatic deviations from this behavior. Naive fitting to a single PTW model is insufficient to capture the behavior; indeed, such resulting inferred flow stress versus strain exhibits a non-monotonic behavior. We suggest a resolution to this by proposing that in β -tin there are important Bauschinger effects arising from favorable conditions for twinning and detwinning. A simple yield surface model when paired with PTW hardening captures the experimental data.

Scripta MaterialiaVol. 264
Lawrence Livermore National Laboratory (US), Los Alamos National Laboratory (US), Sandia National Laboratories California (US), Sandia National Laboratories (US)
U.S. Department of Energy, Washington State University, Office of Science, National Nuclear Security Administration, Argonne National Laboratory, Lawrence Livermore National Laboratory, Los Alamos National Laboratory
Openalex Percentile: Top 18%
Metal and Thin Film Mechanics
1.73
DOIOpen Access PDFOpenAlex
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