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Time-dependent mechanical characteristics measured through the use of a microindentation technique
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SYSNO ASEP 0350945 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Time-dependent mechanical characteristics measured through the use of a microindentation technique Author(s) Minster, Jiří (UTAM-F) RID, SAI
Bláhová, O. (CZ)
Lukeš, J. (CZ)
Němeček, J. (CZ)Number of authors 4 Source Title Mechanics of Time-Dependent Materials - ISSN 1385-2000
Roč. 14, č. 3 (2010), s. 243-251Number of pages 11 s. Publication form on-line www - on-line www Language eng - English Country NL - Netherlands Keywords materials testing ; microindentation ; viscoelastic compliance ; relaxation modulus Subject RIV JI - Composite Materials R&D Projects IAA200710801 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) CEZ AV0Z20710524 - UTAM-F (2005-2011) UT WOS 000279686900002 EID SCOPUS 80052484993 DOI 10.1007/s11043-009-9105-x Annotation Under accepted simplifications about the linear viscoelastic background of the problem and the time-independent value of the Poisson’s ratio, this paper aims to compare the short-term histories of the viscoelastic functions of a common time-dependent material, e.g. viscoelastic compliance and relaxation modulus measured using a microindentation technique, with data derived from standard macro measurements. Two nano/microindenters were used (Hysitron Triboscan and Nano XP Indenter) at two different laboratories. Four special time-dependent loading histories were applied: indentation under a step load, indentation under a constant load rate, indentation with a fixed depth of penetration and indentation under constant rate of penetration. The goal of the study is to assess the potential of this approach. Workplace Institute of Theoretical and Applied Mechanics Contact Kulawiecová Kateřina, kulawiecova@itam.cas.cz, Tel.: 225 443 285 Year of Publishing 2011
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