Srovnání struktury a otěruvzdornosti nástřiků Al2O3-13 wt%TiO2 vytvořených plazmovými technikami GSP and WSP z dvou rozdílných výchozích prášků

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389021%3A_____%2F08%3A00310212" target="_blank" >RIV/61389021:_____/08:00310212 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Comparison of the structure and wear resistance of Al2O3 -13 wt%TiO2 coatings made by GSP and WSP plasma process with two different powders

Popis výsledku v původním jazyce

The goal of this study is to compare two Atmospheric Plasma Spraying (APS) systems for elaborating alumina/titania coatings with good wear resistance. Both torches used were a common d.c. current Gas-Stabilized Plasma gun (GSP) with argon and hydrogen asplasma forming gases, and a Water-Stabilized high-throughput Plasma gun (WSP) working with water as plasma forming substance. The feedstock were either cladded alumina/titania powder or a mixture of conventional fused & crushed Al2O3 powder with agglomerated TiO2 nanometric particles, the resulting mean size in both cases being about 50 ?m. Feedstock material phases were alumina and anatase titanium dioxide and the composition of both powders was 13 wt% of TiO2 in Al2O3. Coatings obtained were analyzedby scanning electron microscopy (SEM). They presented lamellar structures with titania uniformly distributed in the alumina matrix, for both spray techniques. XRD showed that anatase phase of titania was converted into rutile phase.

Název v anglickém jazyce

Comparison of the structure and wear resistance of Al2O3 -13 wt%TiO2 coatings made by GSP and WSP plasma process with two different powders

Popis výsledku anglicky

The goal of this study is to compare two Atmospheric Plasma Spraying (APS) systems for elaborating alumina/titania coatings with good wear resistance. Both torches used were a common d.c. current Gas-Stabilized Plasma gun (GSP) with argon and hydrogen asplasma forming gases, and a Water-Stabilized high-throughput Plasma gun (WSP) working with water as plasma forming substance. The feedstock were either cladded alumina/titania powder or a mixture of conventional fused & crushed Al2O3 powder with agglomerated TiO2 nanometric particles, the resulting mean size in both cases being about 50 ?m. Feedstock material phases were alumina and anatase titanium dioxide and the composition of both powders was 13 wt% of TiO2 in Al2O3. Coatings obtained were analyzedby scanning electron microscopy (SEM). They presented lamellar structures with titania uniformly distributed in the alumina matrix, for both spray techniques. XRD showed that anatase phase of titania was converted into rutile phase.

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

JH - Keramika, žáruvzdorné materiály a skla

OECD FORD obor

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Projekt

<a href="/cs/project/1QS200430560" target="_blank" >1QS200430560: Progresivní žárové nástřiky odolné proti otěru</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Rok uplatnění

2008

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Surface and Coatings Technology

ISSN

0257-8972

e-ISSN

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Svazek periodika

202

Číslo periodika v rámci svazku

18

Stát vydavatele periodika

CH - Švýcarská konfederace

Počet stran výsledku

7

Strana od-do

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Kód UT WoS článku

000257520700009

EID výsledku v databázi Scopus

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