SEM-EDS Analysis of Composite Al2O3-ZrO2 Ceramics Eroded with SiC Particles

Kresimir Grilec; Lidija Curkovic; Marijana Majic Renjo; Suzana Jakovljevic; Matija Sakoman; Milan Sladojevic

doi:10.4028/www.scientific.net/AMM.729.27

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 729SEM-EDS Analysis of Composite Al2O3-ZrO2 Ceramics...

SEM-EDS Analysis of Composite Al₂O₃-ZrO₂ Ceramics Eroded with SiC Particles

Abstract:

In this paper, composite Al₂O₃–t-ZrO₂ ceramics (composition: 95 wt. % Al₂O₃ – 5 wt. % t-ZrO₂ and 90 wt. % Al₂O₃ – 10 wt. % t-ZrO₂) was formed by slip casting in plaster mould. After drying, green bodies were sintered in laboratory electric kiln under air environment at a temperature of 1650 °C.Erosive wear resistance of sintered monolithic Al₂O₃ and composite Al₂O₃–t-ZrO₂ ceramics was determined by SEM analysis of the sample surface morphology before and after erosion at impact angle of 90° and SiC as erodent particles. Surface morphology analysis after erosion showed that wear scars were significantly larger on Al₂O₃ than on Al₂O₃–t-ZrO₂ samples. All conducted tests showed that tribological properties of monolithic Al₂O₃ can be improved with the addition of t-ZrO₂.

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Periodical:

Applied Mechanics and Materials (Volume 729)

Pages:

27-31

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.729.27

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Online since:

January 2015

Authors:

Kresimir Grilec*, Lidija Curkovic, Marijana Majic Renjo, Suzana Jakovljevic, Matija Sakoman, Milan Sladojevic

Keywords:

Al₂O₃, Al₂O₃–t-ZrO₂, Slip Casting, Solid Particle Erosion

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