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Statements

Subject Item
n2:RIV%2F00216305%3A26210%2F14%3APU110425%21RIV15-MSM-26210___
rdf:type
n19:Vysledek skos:Concept
dcterms:description
Total hip replacement is one of the most successful surgical treatments of modern medicine. Typically, at present, hard-on-hard bearing surfaces are widely used for components of artificial hip joints. Hard-on-hard means that both components have high modulus of elasticity in range of hundreds of GPa. However, these materials suffer from relatively high friction and wear rate. This is connected especially with occurring lubrication regime. To approach conditions presented in natural joints, it is necessary to think about artificial cartilage. One of the antici-pated materials for artificial cartilage is polyvinyl alcohol (PVA) hydrogel. PVA hydrogel has water content about 85% and its elastic modulus is approximately E = 1.2 MPa, which is similar to natural cartilage. The main disadvantage of PVA hydrogel is its lower strength. In this study, commercial mini traction machine (MTM) was used to determine friction coefficient for various slide-to-roll ratios (SRR). Bovine serum was used as a lubricant an Total hip replacement is one of the most successful surgical treatments of modern medicine. Typically, at present, hard-on-hard bearing surfaces are widely used for components of artificial hip joints. Hard-on-hard means that both components have high modulus of elasticity in range of hundreds of GPa. However, these materials suffer from relatively high friction and wear rate. This is connected especially with occurring lubrication regime. To approach conditions presented in natural joints, it is necessary to think about artificial cartilage. One of the antici-pated materials for artificial cartilage is polyvinyl alcohol (PVA) hydrogel. PVA hydrogel has water content about 85% and its elastic modulus is approximately E = 1.2 MPa, which is similar to natural cartilage. The main disadvantage of PVA hydrogel is its lower strength. In this study, commercial mini traction machine (MTM) was used to determine friction coefficient for various slide-to-roll ratios (SRR). Bovine serum was used as a lubricant an
dcterms:title
Frictional Properties of PVA Hydrogel Frictional Properties of PVA Hydrogel
skos:prefLabel
Frictional Properties of PVA Hydrogel Frictional Properties of PVA Hydrogel
skos:notation
RIV/00216305:26210/14:PU110425!RIV15-MSM-26210___
n3:aktivita
n20:P
n3:aktivity
P(LO1202)
n3:dodaniDat
n13:2015
n3:domaciTvurceVysledku
n9:2728281 n9:8892822 n9:6220991 n9:7016514 n9:4455282
n3:druhVysledku
n21:D
n3:duvernostUdaju
n15:S
n3:entitaPredkladatele
n16:predkladatel
n3:idSjednocenehoVysledku
17525
n3:idVysledku
RIV/00216305:26210/14:PU110425
n3:jazykVysledku
n4:eng
n3:klicovaSlova
Biotribology, PVA Hydrogel, Compliant, Friction
n3:klicoveSlovo
n14:PVA%20Hydrogel n14:Friction n14:Compliant n14:Biotribology
n3:kontrolniKodProRIV
[7FDFB12CE877]
n3:mistoKonaniAkce
Beroun
n3:mistoVydani
Neuveden
n3:nazevZdroje
55th International Conference of Machine Design Departments
n3:obor
n18:JR
n3:pocetDomacichTvurcuVysledku
5
n3:pocetTvurcuVysledku
8
n3:projekt
n17:LO1202
n3:rokUplatneniVysledku
n13:2014
n3:tvurceVysledku
Nečas, David Šperka, Petr Křupka, Ivan Hartl, Martin Vrbka, Martin
n3:typAkce
n10:WRD
n3:zahajeniAkce
2014-09-09+02:00
s:numberOfPages
6
n7:hasPublisher
Neuveden
n8:isbn
978-80-01-05542-7
n12:organizacniJednotka
26210