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Nanoindentation and contact-mode imaging at high temperatures

  • Christopher A. Schuh (a1), Corinne E. Packard (a1) and Alan C. Lund (a1)
Abstract

Technical issues surrounding the use of nanoindentation at elevated temperatures are discussed, including heat management, thermal equilibration, instrumental drift, and temperature-induced changes to the shape and properties of the indenter tip. After characterizing and managing these complexities, quantitative mechanical property measurements are performed on a specimen of standard fused silica at temperatures up to 405 °C. The extracted values of hardness and Young's modulus are validated against independent experimental data from conventional mechanical tests, and accuracy comparable to that obtained in standard room-temperature nanoindentation is demonstrated. In situ contact-mode images of the surface at temperature are also presented.

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a) Address all correspondence to this author. e-mail: schuh@mit.edu
References
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5. A.C. Fischer-Cripps : Nanoindentation (Springer, New York, 2002).

34. T.W. Clyne , P.J. Withers : An Introduction to Metal Matrix Composites (Cambridge University Press, Cambridge, UK, 1993).

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Journal of Materials Research
  • ISSN: 0884-2914
  • EISSN: 2044-5326
  • URL: /core/journals/journal-of-materials-research
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