Fabrication of ZrO2-Ti Composites by Slip Casting Method

• Autorzy: Łada P. , Falkowski P. , Miazga A. , Konopka K. , Szafran M.

Identyfikatory

DOI

10.1515/amm-2016-0184

• Języki publikacji: EN

Abstrakty

EN

Slip casting is one of the most popular shaping method in ceramic technology which allows producing a large number of elements in small period of time. This shaping technique gives a possibility to fabricate ceramic or composite materials such as ZrO_2-Ti. Ti with its properties (low density, high melting point, high-temperature strength, good corrosion resistance and others) combine with ZrO₂ (high flexure strength, high compression resistance and very high K_IC) can be considered for different applications as constructional and functional materials. For the preparation of such composite nanometric zirconium oxide powder stabilized by 3 mol% Y₂O₃ and micrometric titanium powder were used. Water-based slurries with 35, 40, 45 and 50 vol.% solid phase content were prepared with 3, 10 and 15 vol.% addition of titanium powder. Zeta potential and pH of prepared slurries were considered. The pH changes were tested as a function of Ti content. The viscosity of the prepared slurries was measured. The sedimentation tests for selected slurries were performed. The casting rate for slurry of 35% solid phase with 10 vol.% Ti was examined. These measurements showed good stability of slurries. With the increasing of the solid phase concentration the density of the green bodies increased. However, the increase of the content of Ti powder reduced the density of green body samples. For selected samples the SEM observations was carried out. Composites produced by slip casting were characterized by a homogenous distribution of Ti particles in the ZrO₂ matrix.

Słowa kluczowe

EN

ceramic-metal composite; titanium; zirconium oxide; slip-casting

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2016
• Tom: Vol. 61, iss. 2B
• Strony: 1095--1100
• Opis fizyczny: Bibliogr. 17 poz., rys., tab., wykr., wzory

Twórcy

autor

Łada P.

• Faculty of Materials Science and Engineering, Warsaw University of Technology, 141 Woloska Str., Warsaw, Poland

autor

Falkowski P.

• Faculty of Chemistry, Warsaw University of Technology, 3 Noakowskiego Str., Warsaw, Poland

autor

Miazga A.

• Faculty of Materials Science and Engineering, Warsaw University of Technology, 141 Woloska Str., Warsaw, Poland

autor

Konopka K.

• Faculty of Materials Science and Engineering, Warsaw University of Technology, 141 Woloska Str., Warsaw, Poland

autor

Szafran M.

• Faculty of Chemistry, Warsaw University of Technology, 3 Noakowskiego Str., Warsaw, Poland

Bibliografia

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Uwagi

EN

The work was done in frame of the project financed by National Center of Science (NCN), project DEC-2013/11/B/ST8/00309

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę