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Temperature-dependent nanoindentation response of materials

Published online by Cambridge University Press:  20 February 2018

Saeed Zare Chavoshi Open the ORCID record for Saeed Zare Chavoshi [Opens in a new window]  and
Shuozhi Xu Open the ORCID record for Shuozhi Xu [Opens in a new window]
Saeed Zare Chavoshi*
Affiliation:
Department of Mechanical Engineering, Imperial College London, London SW7 2AZ, UK
Shuozhi Xu
Affiliation:
California NanoSystems Institute, University of California, Santa Barbara, Santa Barbara, CA 93106-6105, USA
*
Address all correspondence to Saeed Zare Chavoshi at s.zare@imperial.ac.uk
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Abstract

It is of the uttermost interest to understand the mechanical performance and deformation mechanisms contributing to small-scale plasticity of materials in micro/nanoelectromechanical systems at their service temperatures, which are usually above room temperature. In recent years, high-temperature nanoindentation experiments have emerged as a reliable approach to characterize the deformation behavior of materials at the nano and submicron scale. In this review, we highlight the role of the temperature in nanoindentation response of a wide variety of materials, with a particular focus on the thermally-activated deformation mechanisms in crystalline and non-crystalline materials under the indenter, e.g., dislocation processes, shear transformation zone, and phase transformations. A brief survey of the temperature-dependent nanoindentation elastic modulus, hardness, and creep behavior of materials is also provided. We also discuss experimental methods for correctly measuring the mechanical properties of materials at high temperatures.

Type
Prospective Articles
Information
MRS Communications , Volume 8 , Issue 1 , March 2018 , pp. 15 - 28
Copyright
Copyright © Materials Research Society 2018 

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