Detail publikace
Development of lubrication film and influence on friction in a total knee replacement during a gait cycle
ODEHNAL, L. RANUŠA, M. WIMMER, M. VRBKA, M. KŘUPKA, I.
Anglický název
Development of lubrication film and influence on friction in a total knee replacement during a gait cycle
Typ
článek v časopise ve Web of Science, Jimp
Jazyk
en
Originální abstrakt
The presented study dealt with the experimental analysis of friction and lubrication mechanism observed with fluorescent microscopy in total knee replacement represented by CoCrMo wheel and PMMA plate. Model synovial fluid with marked constituents was used as test lubricant. The experiments investigated three main parameters. Slide-roll-ratio (SRR) showed the greatest influence on lubrication film formation. Friction coefficient was mostly influenced by axial load; its increase led to a decrease in friction. Relative speed was manifested for SRR 1.25 and higher where its increase caused a decrease in friction. The complex experiment showed a development of friction coefficient and lubrication film along the whole gait cycle. The results of this experiment correspond with the initial results concerning the influences of parameters.
Anglický abstrakt
The presented study dealt with the experimental analysis of friction and lubrication mechanism observed with fluorescent microscopy in total knee replacement represented by CoCrMo wheel and PMMA plate. Model synovial fluid with marked constituents was used as test lubricant. The experiments investigated three main parameters. Slide-roll-ratio (SRR) showed the greatest influence on lubrication film formation. Friction coefficient was mostly influenced by axial load; its increase led to a decrease in friction. Relative speed was manifested for SRR 1.25 and higher where its increase caused a decrease in friction. The complex experiment showed a development of friction coefficient and lubrication film along the whole gait cycle. The results of this experiment correspond with the initial results concerning the influences of parameters.
Klíčová slova anglicky
Total knee replacement; Friction coefficient; Lubrication film development; Fluorescent microscopy
Vydáno
01.02.2023
Nakladatel
Elsevier
ISSN
0301-679X
Ročník
178
Číslo
Únor
Strany od–do
108073–108073
Počet stran
9
BIBTEX
@article{BUT180063,
author="Lukáš {Odehnal} and Matúš {Ranuša} and Markus A. {Wimmer} and Martin {Vrbka} and Ivan {Křupka},
title="Development of lubrication film and influence on friction in a total knee replacement during a gait cycle",
year="2023",
volume="178",
number="Únor",
month="February",
pages="108073--108073",
publisher="Elsevier",
issn="0301-679X"
}