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Temperature dependence of the indentation size effect

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Abstract

The influence of temperature on the indentation size effect is explored experimentally. Copper is indented on a custom-built high-temperature nanoindenter at temperatures between ambient and 200 °C, in an inert atmosphere that precludes oxidation. Over this range of temperatures, the size effect is reduced considerably, suggesting that thermal activation plays a major role in determining the length scale for plasticity.

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Authors and Affiliations

  1. Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts, 02139, USA

    Oliver Franke, Jonathan C. Trenkle & Christopher A. Schuh

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  1. Oliver Franke
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  2. Jonathan C. Trenkle
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  3. Christopher A. Schuh
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Correspondence to Christopher A. Schuh.

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This author was an editor of this journal during the review and decision stage. For the JMR policy on review and publication of manuscripts authored by editors, please refer to http://www.mrs.org/jmr_policy

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Franke, O., Trenkle, J.C. & Schuh, C.A. Temperature dependence of the indentation size effect. Journal of Materials Research 25, 1225–1229 (2010). https://doi.org/10.1557/JMR.2010.0159

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  • DOI: https://doi.org/10.1557/JMR.2010.0159

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