Zirconium dioxide/tungsten carbide composite - influence of sintering technique on phase composition and microstructure

• Autorzy: Pędzich Zbigniew , Wilmański Alan , Wojteczko Agnieszka , Komarek Sebastian , Kozień Dawid , Klimczyk Piotr

Identyfikatory

DOI

10.62753/ctp.2025.03.1.1

• Języki publikacji: EN

Abstrakty

EN

The paper presents the results of a comparative experiment on sintering a particulate composite in the ZrO2/WC system containing significant amounts of carbide additive (20 or 50% by volume) utilizing spark plasma sintering (SPS) or high pressure high temperature (HPHT) techniques. The experiment was conducted using commercial zirconia and tungsten carbide powders. The main aim of the experiment was to verify if it was possible to use the HTHP technique to manufacture composite parts in order to increase the efficiency of the production process. The obtained results showed that the final microstructures of the composites produced by SPS and HPHT differ significantly in their phase composition and microstructure. The materials received by the HPHT process after consolidation contained a large volume of monoclinic zirconia phase, which was a serious disadvantage of the consolidated material due to strong susceptibility to cracking. Furthermore, the short time of sintering prevented the tungsten carbide grains from modifying their shape during the sintering process. The SPS process took more time, but in result the microstructure of the composites contained a non-transformed tetragonal zirconia phase and the carbide grains transformed their shape into convex and isometric ones.

Słowa kluczowe

EN

particulate composite; zirconia; tungsten carbide; microstructure

PL

kompozyty cząsteczkowe; cyrkonia; węglik wolframu; mikrostruktura

• Wydawca: Polskie Towarzystwo Materiałów Kompozytowych
• Czasopismo: Composites Theory and Practice
• Rocznik: 2025
• Tom: R. 25, nr 1
• Strony: 30--37
• Opis fizyczny: Bibliogr. 20 poz., rys., tab.

Twórcy

autor

Pędzich Zbigniew

• AGH University of Science and Technology, Faculty of Material Science and Ceramics, Mickiewicza 30, 36-040 Krakow, Poland

autor

Wilmański Alan

• AGH University of Science and Technology, Faculty of Material Science and Ceramics, Mickiewicza 30, 36-040 Krakow, Poland

autor

Wojteczko Agnieszka

• AGH University of Science and Technology, Faculty of Material Science and Ceramics, Mickiewicza 30, 36-040 Krakow, Poland

autor

Komarek Sebastian

• AGH University of Science and Technology, Faculty of Material Science and Ceramics, Mickiewicza 30, 36-040 Krakow, Poland

autor

Kozień Dawid

• AGH University of Science and Technology, Faculty of Material Science and Ceramics, Mickiewicza 30, 36-040 Krakow, Poland

autor

Klimczyk Piotr

• Łukasiewicz Research Network, Krakow Institute of Technology, 73 Zakopiańska St., Krakow 30-418, Poland

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr POPUL/SP/0154/2024/02 w ramach programu "Społeczna odpowiedzialność nauki II" - moduł: Popularyzacja nauki (2025).