Erosion Resistance of Slip Cast Composite Al2O3 - ZrO2 Ceramics

Majić Renjo, Marijana and Ćurković, Lidija and Grilec, Krešimir (2015) Erosion Resistance of Slip Cast Composite Al2O3 - ZrO2 Ceramics. = Erosion Resistance of Slip Cast Composite Al2O3 - ZrO2 Ceramics. Procedia Engineering, 100. pp. 1133-1140. ISSN 1877-7058. Vrsta rada: ["eprint_fieldopt_article_type_article" not defined]. . Točan broj autora: 3.

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In this paper, erosion resistance of slip cast monolithic (Al2O3) and composite (Al2O3–t-ZrO2) ceramics was investigated by dry silica sand (SiO2) erodent. The amount of t-ZrO2 in powder mixture of Al2O3–t-ZrO2 was 5 wt. % and 10 wt. %. The erosive wear behaviour was studied at following impact angles of erodent: 30°, 60° and 90°. Erosion mechanisms of all prepared ceramic samples were evaluated by measuring the roughness parameters (Ra, Rz, Rmax) and weight loss, as well as analysis of surface morphology by means of scanning electron microscope (SEM). Obtained results showed that tribological properties of monolithic Al2O3 can be improved with the addition of t-ZrO2. It was also found that erosion resistance increases with the increasing amount of t-ZrO2 in the powder mixture. Generally, for all investigated ceramic samples erosion resistance decreases by the increasing erodent impact angle. Izvorni jezik: ENG

Item Type: Article (["eprint_fieldopt_article_type_article" not defined])
Keywords (Croatian): alumina (Al2O3) ; zirconia (ZrO2) ; Al2O3–ZrO2 composite ceramics ; erosion resistance ; slip casting
Subjects: TECHNICAL SCIENCE > Mechanical Engineering
Divisions: 1000 Department of Materials > 1010 Chair of Materials and Tribology
Date Deposited: 20 Sep 2016 12:36
Last Modified: 20 Sep 2016 12:36

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