Rate dependency of depth in nanoindentation of polycrystalline NiTi

Rate dependency of depth in nanoindentation of polycrystalline NiTi

The recent increased use of shape memory alloys (SMAs) for engineering applications manifests the need of checking the aspect of rate in NiTi. The ability of models and experiments to accurately predict the rate dependency of function–rate relationship is important. This paper concentrates on the...

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Main Authors: Sun Q.P., Amini A.
Format: Article
Language:English
Published: EDP Sciences 2010-06-01
Series:EPJ Web of Conferences
Online Access:http://dx.doi.org/10.1051/epjconf/20100629004
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spelling doaj-1bdeaeb1bb584dfc82596761bb1f5eed2021-08-02T01:56:56ZengEDP SciencesEPJ Web of Conferences2100-014X2010-06-0162900410.1051/epjconf/20100629004Rate dependency of depth in nanoindentation of polycrystalline NiTiSun Q.P.Amini A.The recent increased use of shape memory alloys (SMAs) for engineering applications manifests the need of checking the aspect of rate in NiTi. The ability of models and experiments to accurately predict the rate dependency of function–rate relationship is important. This paper concentrates on the rate dependency of depth in nanoindentation of NiTi where different tips have been used. To explain the phenomena, hysteresis damping areas are investigated. The results show decreasing depth at higher rates is due to the amount of latent heat generated from phase transition and relaxation time for heat release. http://dx.doi.org/10.1051/epjconf/20100629004
collection DOAJ
language English
format Article
sources DOAJ
author Sun Q.P.
Amini A.
spellingShingle Sun Q.P.
Amini A.
Rate dependency of depth in nanoindentation of polycrystalline NiTi
EPJ Web of Conferences
author_facet Sun Q.P.
Amini A.
author_sort Sun Q.P.
title Rate dependency of depth in nanoindentation of polycrystalline NiTi
title_short Rate dependency of depth in nanoindentation of polycrystalline NiTi
title_full Rate dependency of depth in nanoindentation of polycrystalline NiTi
title_fullStr Rate dependency of depth in nanoindentation of polycrystalline NiTi
title_full_unstemmed Rate dependency of depth in nanoindentation of polycrystalline NiTi
title_sort rate dependency of depth in nanoindentation of polycrystalline niti
publisher EDP Sciences
series EPJ Web of Conferences
issn 2100-014X
publishDate 2010-06-01
description The recent increased use of shape memory alloys (SMAs) for engineering applications manifests the need of checking the aspect of rate in NiTi. The ability of models and experiments to accurately predict the rate dependency of function–rate relationship is important. This paper concentrates on the rate dependency of depth in nanoindentation of NiTi where different tips have been used. To explain the phenomena, hysteresis damping areas are investigated. The results show decreasing depth at higher rates is due to the amount of latent heat generated from phase transition and relaxation time for heat release.
url http://dx.doi.org/10.1051/epjconf/20100629004
work_keys_str_mv AT sunqp ratedependencyofdepthinnanoindentationofpolycrystallineniti
AT aminia ratedependencyofdepthinnanoindentationofpolycrystallineniti
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