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Real-time X-ray microradiographic imaging and image correlation for local strain mapping in single trabecula under mechanical load
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SYSNO ASEP 0367264 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Real-time X-ray microradiographic imaging and image correlation for local strain mapping in single trabecula under mechanical load Author(s) Doktor, Tomáš (UTAM-F) RID, SAI, ORCID
Jiroušek, Ondřej (UTAM-F) RID, SAI
Kytýř, Daniel (UTAM-F) SAI, RID, ORCID
Zlámal, Petr (UTAM-F) RID, SAI, ORCID
Jandejsek, Ivan (UTAM-F) RID, SAINumber of authors 5 Source Title Journal of Instrumentation. - : Institute of Physics Publishing - ISSN 1748-0221
Roč. 6, č. 11 (2011), s. 7-12Number of pages 6 s. Publication form on- line www - on- line www Action International workshop on radiation imaging detectors /13./ Event date 03.07.2011-07.07.2011 VEvent location Zurich Country CH - Switzerland Event type WRD Language eng - English Country GB - United Kingdom Keywords pixelated detectors and associated VLSI electronics ; X-ray radiography and digital radiography ; digital image correlation ; human trabecula Subject RIV JJ - Other Materials R&D Projects GAP105/10/2305 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z20710524 - UTAM-F (2005-2011) UT WOS 000298320400007 EID SCOPUS 82955201714 DOI 10.1088/1748-0221/6/11/C11007 Annotation X-ray microradiography was used to quantify the strains in loaded human trabecula. Samples of isolated trabeculae from human proximal femur were extracted and glued in a loading machine specially designed for testing of small specimens. The samples were then tested in tension and three-point bending until complete fracture occured. Real-time microradiography in conjunction with digital image correlation has been employed. The samples were irradiated continuously by X-rays. Radiographs were acquired using 0.25s exposure time with hybrid single-photon counting silicon pixel detector Medipix2. Design of the loading device enables for precise control of the applied displacement which is important for the post-yield behavior assessment. 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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