Influence of sintering temperature and CrB2 addition on properties of titanium diboride produced by spark plasma sintering

• Autorzy: Sulima I. , Jaworska J. , Pałka P. , Hyjek P. , Kurtyka P.

Warianty tytułu

PL

Wpływ temperatury spiekania oraz dodatku CrB2 na właściwości dwuborku tytanu otrzymanego metodą plazmowego spiekania iskrowego

• Języki publikacji: EN

Abstrakty

EN

The effect of a 5 vol.% chromium diboride addition on the microstructure and properties of sintered titanium diboride was investigated. The preliminary results of studies of TiB2-5CrB2 composites sintered by SPS were discussed. The density, Young's modulus and Vickers hardness of the obtained sinters were examined. Microstructural examinations were carried out by SEM. It was found that sintering TiB2 ceramics by SPS at temperatures of 2000 and 2200°C for 10 minutes is not sufficient. The results of testing the physical and mechanical properties of TiB2-5CrB2 composites have shown that the use of CrB2 may be a good way to obtain a composite material for high performance applications. The best properties were obtained by the composite materials sintered at 2200°C. The results will serve as a basis for further optimization of the SPS process for composite fabrication.

PL

W pracy zbadano wpływ dodatku dwuborku chromu w ilości 5% obj. na mikrostrukturę oraz właściwości spiekanego dwuborku tytanu. Praca przedstawia wstępne wyniki badań dotyczące spiekania kompozytów TiB2-5CrB2 metodą iskrowego spiekania plazmowego (SPS). Dla porównania wytworzono ceramikę TiB2 bez stosowania dodatków do spiekania. Proces spiekania przeprowadzono w temperaturach 2000 oraz 2200°C w czasie 10 minut. Dla otrzymanych spieków przeprowadzono badania gęstości, modułu Younga oraz twardości metodą Vickersa. Przeprowadzono również obserwacje mikrostrukturalne, stosując skaningową mikroskopię elektronową (SEM). Stwierdzono, że spiekanie ceramiki TiB2 metodą SPS w temperturach 2000 oraz 2200°C w czasie 10 min jest niewystarczające. Wyniki badań właściwości fizycznych i mechanicznych kompozytów TiB2-5CrB2 wykazały, że zastosowanie CrB2 może być dobrą drogą do otrzymania materiału kompozytowego o wysokich właściwościach. Dla kompozytów TiB2-5CrB2 spiekanych w 2200°C uzyskano najlepsze właściwości. Otrzymane wyniki będą stanowić podstawę do optymalizacji warunków procesu SPS dla kompozytów TiB2-5CrB2.

Słowa kluczowe

EN

spark plasma sintering; SPS; composites; titanium diboride; TiB2; chromium diboride; CrB2

PL

iskrowe spiekanie plazmowe; SPS; kompozyty; dwuborek tytanu; TiB2; dwuborek chromu; CrB2

• Wydawca: Polskie Towarzystwo Materiałów Kompozytowych
• Czasopismo: Composites Theory and Practice
• Rocznik: 2016
• Tom: R. 16, nr 1
• Strony: 30--36
• Opis fizyczny: Bibliogr. 36 poz., rys., tab.

Twórcy

autor

Sulima I.

• Pedagogical University of Krakow, Institute of Technology, ul. Podchorążych 2, 30-084 Krakow, Poland

autor

Jaworska J.

• Pedagogical University of Krakow, Institute of Technology, ul. Podchorążych 2, 30-084 Krakow, Poland

autor

Pałka P.

• AGH - University of Science and Technology, Faculty of Non-Ferrous Metals, al. A. Mickiewicza 30, 30-059 Krakow, Poland

autor

Hyjek P.

• Pedagogical University of Krakow, Institute of Technology, ul. Podchorążych 2, 30-084 Krakow, Poland

autor

Kurtyka P.

• Pedagogical University of Krakow, Institute of Technology, ul. Podchorążych 2, 30-084 Krakow, Poland

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Uwagi

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