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Haasen Plot Activation Analysis of Constant-Force Indentation Creep in FCC Systems

Published online by Cambridge University Press:  01 February 2011

Vineet Bhakhri  and
Robert J. Klassen
Vineet Bhakhri
Affiliation:
[email protected], The University of Western Ontario, Mechanical & Materials Engineering, 1151 Richmond Street N, Faculty of Engineering, London, N6A 5B9, Canada
Robert J. Klassen
Affiliation:
[email protected], The University of Western Ontario, Mechanical & Materials Engineering, London, N6A 5B9, Canada
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Abstract

An analysis of the length-scale and temperature dependence of Haasen plots obtained from constant-force nano- and micro-indentation creep tests performed are reported here. The operative deformation mechanism for all the systems studied involved dislocation glide limited by dislocation-dislocation interactions. Our findings illustrate the potential usefulness of Haasen plot activation analysis for interpreting data from constant-force pyramidal indentation creep tests.

Keywords

activation analysisdislocationskinetics
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1049: Symposium AA – Fundamentals of Nanoindentation and Nanotribology IV , 2007 , 1049-AA10-03
Copyright
Copyright © Materials Research Society 2008

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