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  • 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.
  • 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. (en)
  • 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. (cs)
Title
  • Influence of Spraying Conditions on FatigueBehaviour of Hydroxyapatite Coatings
  • Vliv podmínek nanášení na únavové chování hydroxyapatitových nástřiků (cs)
  • Influence of Spraying Conditions on FatigueBehaviour of Hydroxyapatite Coatings (en)
skos:prefLabel
  • Influence of Spraying Conditions on FatigueBehaviour of Hydroxyapatite Coatings
  • Vliv podmínek nanášení na únavové chování hydroxyapatitových nástřiků (cs)
  • Influence of Spraying Conditions on FatigueBehaviour of Hydroxyapatite Coatings (en)
skos:notation
  • RIV/68407700:21340/07:04134908!RIV08-GA0-21340___
http://linked.open.../vavai/riv/strany
  • 205;215
http://linked.open...avai/riv/aktivita
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  • P(GA106/05/0483)
http://linked.open...iv/cisloPeriodika
  • 3
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  • 426401
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  • RIV/68407700:21340/07:04134908
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  • coatings; fatigue test; fractographic analysis; hydroxyapatite; implants; plasma spraying; residual stress; scanning electron microscopy (en)
http://linked.open.../riv/klicoveSlovo
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  • CZ - Česká republika
http://linked.open...ontrolniKodProRIV
  • [12F00DE797E8]
http://linked.open...i/riv/nazevZdroje
  • Acta Technica ČSAV
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http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 52
http://linked.open...iv/tvurceVysledku
  • Siegl, Jan
  • Čížek, Jan
  • Bensch, Jan
  • Khor, K. A.
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  • 0001-7043
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  • 21340
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