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Statements

Subject Item
n2:RIV%2F68407700%3A21340%2F07%3A04134908%21RIV08-GA0-21340___
rdf:type
n16:Vysledek skos:Concept
dcterms:description
Plasma spray deposition of low carbon steel specimens was carried out under three different conditions (denoted HA-1, HA-2, HA-3). To determine the influence of hydroxyapatite (HA) coatings on fatigue lives of machined low carbon steel specimens, fatigue experiments using a symmetrical cyclical bending load were carried out. It was found out, all HA coatings led to prolongation of the fatigue lives as compared to specimens without coatings (by 43%, 23%, and 38%, respectively). Subsequent fractographic analysis confirmed that the fracture micromorphology of individual HA coatings is influenced by the different spraying conditions and fatigue cracks in coated bodies initiate underneath the coatings, i.e., on the steel substrate surface. Změna parametrů plazmového nanášení umožnila připravit tři odlišné vrstvy hydroxyapatitu na ocelovém substrátu (ozn. HA-1, HA-2, HA-3). Únavové zkoušky prokázaly, že v důsledku vrstev se prodlužuje únavový život nastříkaných těles o 43%, 23 respektive 38% ve srovnání s tělesy bez úprav. Následná fraktografická analýza potvrdila, že únavové trhliny iniciují pod vrstvou, tj. na povrchu ocelového substrátu. Dále bylo zjištěno, že změna parametrů nanášení vede ke změně mikromorfologie lomu. Plasma spray deposition of low carbon steel specimens was carried out under three different conditions (denoted HA-1, HA-2, HA-3). To determine the influence of hydroxyapatite (HA) coatings on fatigue lives of machined low carbon steel specimens, fatigue experiments using a symmetrical cyclical bending load were carried out. It was found out, all HA coatings led to prolongation of the fatigue lives as compared to specimens without coatings (by 43%, 23%, and 38%, respectively). Subsequent fractographic analysis confirmed that the fracture micromorphology of individual HA coatings is influenced by the different spraying conditions and fatigue cracks in coated bodies initiate underneath the coatings, i.e., on the steel substrate surface.
dcterms:title
Influence of Spraying Conditions on FatigueBehaviour of Hydroxyapatite Coatings Influence of Spraying Conditions on FatigueBehaviour of Hydroxyapatite Coatings Vliv podmínek nanášení na únavové chování hydroxyapatitových nástřiků
skos:prefLabel
Influence of Spraying Conditions on FatigueBehaviour of Hydroxyapatite Coatings Influence of Spraying Conditions on FatigueBehaviour of Hydroxyapatite Coatings Vliv podmínek nanášení na únavové chování hydroxyapatitových nástřiků
skos:notation
RIV/68407700:21340/07:04134908!RIV08-GA0-21340___
n3:strany
205;215
n3:aktivita
n17:P
n3:aktivity
P(GA106/05/0483)
n3:cisloPeriodika
3
n3:dodaniDat
n4:2008
n3:domaciTvurceVysledku
n9:2956314 n9:2644657 n9:7600224
n3:druhVysledku
n6:J
n3:duvernostUdaju
n15:S
n3:entitaPredkladatele
n12:predkladatel
n3:idSjednocenehoVysledku
426401
n3:idVysledku
RIV/68407700:21340/07:04134908
n3:jazykVysledku
n5:eng
n3:klicovaSlova
coatings; fatigue test; fractographic analysis; hydroxyapatite; implants; plasma spraying; residual stress; scanning electron microscopy
n3:klicoveSlovo
n10:scanning%20electron%20microscopy n10:residual%20stress n10:fatigue%20test n10:hydroxyapatite n10:fractographic%20analysis n10:coatings n10:implants n10:plasma%20spraying
n3:kodStatuVydavatele
CZ - Česká republika
n3:kontrolniKodProRIV
[12F00DE797E8]
n3:nazevZdroje
Acta Technica ČSAV
n3:obor
n8:JL
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
4
n3:projekt
n18:GA106%2F05%2F0483
n3:rokUplatneniVysledku
n4:2007
n3:svazekPeriodika
52
n3:tvurceVysledku
Bensch, Jan Khor, K. A. Čížek, Jan Siegl, Jan
s:issn
0001-7043
s:numberOfPages
11
n13:organizacniJednotka
21340