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Competitive life time assessment of SrO-ZTA/SrO-ZTA and CoCrMo/UHMWPE hip prosthesis bearings
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SYSNO ASEP 0546057 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Competitive life time assessment of SrO-ZTA/SrO-ZTA and CoCrMo/UHMWPE hip prosthesis bearings Author(s) Basra, S.A. (IN)
Sarkar, Debasish (FZU-D)Number of authors 2 Article number 2050009 Source Title Journal of Mechanics in Medicine and Biology. - : World Scientific Publishing - ISSN 0219-5194
Roč. 20, č. 3 (2020)Number of pages 15 s. Language eng - English Country SG - Singapore Keywords transient dynamic analysis ; Von Mises stress ; wear depth ; wear volume Subject RIV BH - Optics, Masers, Lasers OECD category Optics (including laser optics and quantum optics) Method of publishing Limited access Institutional support FZU-D - RVO:68378271 UT WOS 000535288700004 EID SCOPUS 85084924699 DOI 10.1142/S0219519420500098 Annotation Hip joint failure leads to the replacement of the hip joint prosthesis.This work focuses on the proper selection of bearing couple materials for the hip joint to improve the performance and life.The stress and deformation of different bearing couple materials are analysed in the perspective of transient dynamic analysis under jogging load cycle.Selective hip joint bearing (femoral head-liner) couples are SS316L on UHMWPE (MoP), CoCrMo on UHMWPE(MoP),Ti6Al4V on SrO-ZTA(MoC),SrO-ZTA on UHMWPE(CoP) and SrO-ZTA on SrO-ZTA(CoC) encountered, respectively.The SrO-ZTA on SrO-ZTA(CoC) bearing couple generates the less Von Mises stress of 180.88 MPa.Load bearing pressure and Archard law predict the wear depth of CoCrMo on UHMWPE(MoP) and SrO-ZTA on SrO-ZTA(CoC) bearing couples are 0.141 mm/year and 0.031 mm/year,respectively.In simultaneous,the theoretical wear volume for CoCrMo on UHMWPE(MoP) and SrO-ZTA on SrO-ZTA(CoC) bearing couples are found as 35.46mm3/year and 2.62mm3/year,respectively. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2022 Electronic address https://doi.org/10.1142/S0219519420500098
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