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  • Oxid hlinitý a oxid zirkoničitý byly plazmově nastříkány pomocí WSP zařízení. V případě oxidu hlinitého byly navíc použity dvě různé stříkací vzdálenosti. Poté byly nástřiky povrchově ovlivněny Nd-YAG laserem rozostřeným tak, aby plocha se zvětšila ovlivněná plocha za jednotku času. Laser byl apikován za různých hustot energie a poté byly vzorky studovány z hlediska změn mikrotvrdosti, drsnosti povrchu a odolnosti proti otěru. Bylo ukázáno, jak souvisí míra změn (mikrostruktury a sledovaných vlastností) vyvolaných laserem s optickými vlastnostmi povrchu surového nástřiku při vlnové délce použitého laseru. Byla nalezena rozmezí hustot energie vedoucí k žádoucím změnám a ukázáno, jak jejich překročení vede k nežádoucím změnám daným přehřátím materiálu. (cs)
  • Alumina and stabilized Zirconia were plasma sprayed in air using the water-stabilized plasma torch. In the case of Alumina two different stand-off distances were applied at spraying. Nd-YAG laser was then used for additional treatment of plasma sprayed coatings. The laser was maintained in a quasi-continual regime and defocused from the surface to increase the treated coating's area. Energy density was varied together with the laser scanning velocity to ensure variance in thermal history of the treated surfaces. Microhardness, surface roughness and slurry abrasion resistance (SAR) were measured before and after the laser treatment. Results vary in dependence on the laser treatment's parameters. When the treatment results in substantial changes of the structure (up to a complete re-melting of the surface), enhancement of all measured properties was proven.
  • Alumina and stabilized Zirconia were plasma sprayed in air using the water-stabilized plasma torch. In the case of Alumina two different stand-off distances were applied at spraying. Nd-YAG laser was then used for additional treatment of plasma sprayed coatings. The laser was maintained in a quasi-continual regime and defocused from the surface to increase the treated coating's area. Energy density was varied together with the laser scanning velocity to ensure variance in thermal history of the treated surfaces. Microhardness, surface roughness and slurry abrasion resistance (SAR) were measured before and after the laser treatment. Results vary in dependence on the laser treatment's parameters. When the treatment results in substantial changes of the structure (up to a complete re-melting of the surface), enhancement of all measured properties was proven. (en)
Title
  • Improvement of mechanical properties of Alumina and Zirconia plasma sprayed coatings induced by laser after-treatment
  • Improvement of mechanical properties of Alumina and Zirconia plasma sprayed coatings induced by laser after-treatment (en)
  • Zlepšení mechanických vlastností plazmových nástřiků oxidů hlinitého a zirkoničitého dosažené pomocí dodatečného ovlivnění laserem (cs)
skos:prefLabel
  • Improvement of mechanical properties of Alumina and Zirconia plasma sprayed coatings induced by laser after-treatment
  • Improvement of mechanical properties of Alumina and Zirconia plasma sprayed coatings induced by laser after-treatment (en)
  • Zlepšení mechanických vlastností plazmových nástřiků oxidů hlinitého a zirkoničitého dosažené pomocí dodatečného ovlivnění laserem (cs)
skos:notation
  • RIV/61389021:_____/05:00025702!RIV06-AV0-61389021
http://linked.open.../vavai/riv/strany
  • 1033;1038
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(KSK1010104)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 524416
http://linked.open...ai/riv/idVysledku
  • RIV/61389021:_____/05:00025702
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Mechanical properties; Alumina; Zirconia; plasma spraying; laser after-treatment (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [D6E10D6E110E]
http://linked.open...v/mistoKonaniAkce
  • Basilej
http://linked.open...i/riv/mistoVydani
  • Dusseldorf
http://linked.open...i/riv/nazevZdroje
  • Proceedings of International Thermal Spray Conference 2005
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Ctibor, Pavel
  • Nohava, Jiří
  • Chráska, Pavel
  • Vuoristo, P.
  • Karovičová, I.
  • Tuominen, J.
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
number of pages
http://purl.org/ne...btex#hasPublisher
  • DVS-Verlag, Dusseldorf
https://schema.org/isbn
  • 3-87155-793-5
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