Research Article

The Effect of Mullite Addition on Wear Properties of SiO2 Doped ZrO2 Ceramics

Volume: 43 Number: 2 June 29, 2022
EN

The Effect of Mullite Addition on Wear Properties of SiO2 Doped ZrO2 Ceramics

Abstract

Mullite (3Al2O3.2SiO2) and 10 mol% silica added zirconia (10 mol% SiO2 - 90 mol% ZrO2) ceramic powders were synthesized by conventional ceramic processing route. The mixtures were prepared by mechanical alloying method using zirconia ball mill in acetone environment. To synthesize mullite, Al2O3 and SiO2 powders mixture was prepared with stoichiometric proportions and fired it in the air at 1600 oC for 3 h. And the silica added zirconia composites were fired at 1300 oC for 2 h. Thus, silica - zirconia and mullite composite phases were obtained and milling and sieving processes were carried out. Then, mullite-free and 10% by weight mullite reinforced silicon oxide added zirconia mixtures were prepared by powder metallurgy method. The powders were compacted by uniaxial pressing. The formed samples were sintered in a high temperature furnace in air conditions for 1 and 5 h at 1500 and 1600 oC sintering temperatures. Finally, microstructure examinations of the composites with SEM, phase analysis with XRD, hardness, three-point bending and wear tests were performed. In addition, the results of water absorption, porosity and density from physical properties and the effect of mullite additive on the mechanical and especially wear properties of this mixture were investigated.

Keywords

Supporting Institution

Sivas Cumhuriyet Üniversitesi Bilimsel Araştırma Proje Destek Fonu

Project Number

M-767

Thanks

Yazarlar, desteklerinden dolayı Sivas Cumhuriyet Üniversitesi Bilimsel Araştırma Proje Destek Fonu'na teşekkür eder.

References

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Details

Primary Language

English

Subjects

Composite and Hybrid Materials

Journal Section

Research Article

Publication Date

June 29, 2022

Submission Date

October 29, 2021

Acceptance Date

April 18, 2022

Published in Issue

Year 2022 Volume: 43 Number: 2

APA
Hafızoğlu, M. A., Boyraz, T., & Akkuş, A. (2022). The Effect of Mullite Addition on Wear Properties of SiO2 Doped ZrO2 Ceramics. Cumhuriyet Science Journal, 43(2), 257-265. https://doi.org/10.17776/csj.1015872

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