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Evaluation of sample preparation procedures for micro-mechanical testing of trabecular bone
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SYSNO ASEP 0359883 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Evaluation of sample preparation procedures for micro-mechanical testing of trabecular bone Author(s) Kytýř, Daniel (UTAM-F) SAI, RID, ORCID
Valach, Jaroslav (UTAM-F) SAI, ORCID, RID
Doktor, Tomáš (UTAM-F) RID, SAI, ORCID
Jiroušek, Ondřej (UTAM-F) RID, SAI
Zlámal, Petr (UTAM-F) RID, SAI, ORCID
Kostelecká, M. (CZ)Number of authors 6 Source Title 10th Youth Symposium on Experimental Solid Mechanics. - Chemnitz : Chemnitz University of Technology, 2011 / Stockmann Martin ; Kretzschmar Jenz - ISBN 978-3-941003-34-7 Pages s. 71-72 Number of pages 2 s. Publication form usb - usb Action Youth Symposium on Experimental Solid Mechanics /10./ Event date 25.05.2011-28.05.2011 VEvent location Chemnitz Country DE - Germany Event type EUR Language eng - English Country DE - Germany Keywords micro-mechanical testing ; sample preparation ; trabecular bone Subject RIV JJ - Other Materials R&D Projects GAP105/10/2305 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z20710524 - UTAM-F (2005-2011) Annotation Assessment of material properties of isolated human trabeculae is highly influenced by precision of the sample preparation. Article deals with describing of the pre-testing procedure for the uniaxial testing, nanoindentation and finite element modeling of single trabeculae. The first part is focused on the specimen resection, delipidation and fixation in a novel high precision experimental device which enables to measure the strains optically using a high-resolution CCD camera. The second part deals with the development of the volumetric model of the trabecula required for numerical analysis. The last part is dedicated to optimization of polishing procedure used sample surface preparation for nanoindentation. Effect of the grain size, load and duration time of the grinding on final surface roughness was analyzed. Workplace Institute of Theoretical and Applied Mechanics Contact Kulawiecová Kateřina, kulawiecova@itam.cas.cz, Tel.: 225 443 285 Year of Publishing 2012
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