SEM-EDS Analysis of Composite Al2O3-ZrO2 Ceramics Eroded with SiC Particles (CROSBI ID 215480)
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Grilec, Krešimir ; Ćurković, Lidija ; Majić Renjo, Marijana ; Jakovljević, Suzana ; Sakoman, Matija ; Sladojević, Milan
engleski
SEM-EDS Analysis of Composite Al2O3-ZrO2 Ceramics Eroded with SiC Particles
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.
Al2O3 ; Al2O3–t-ZrO2 ; slip casting ; solid particle erosion
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Povezanost rada
Kemijsko inženjerstvo, Strojarstvo