Characterization of mechanical properties of barium titanate ceramics with different grain sizes

• Autorzy: Trzepiecinski T. , Gromada M.

Identyfikatory

DOI

10.1515/msp-2018-0009

• Języki publikacji: EN

Abstrakty

EN

In this paper, three BaTiO₃ powders of various particle size distributions were obtained as a result of mechanical activation in the mixer mill. Green barium titanate pellets and cylindrical specimens were fabricated by both uniaxial and isostatic pressing methods. As a result of the application of different maximal sintering temperatures, the obtained materials were characterized by various average grain sizes: 0.8 µm, 20 µm and 31.0 μm. The basic properties of sintered pellets and cylinders were determined and the influence of materials average grain size on their Young’s modulus and compressive strength were determined through compression tests in a uniaxial testing machine, Zwick/Roell Z100. The elastic properties were similar for tested materials with a different grain size. However, the microstructure of BaTiO₃ strongly influenced the compressive strength.

Słowa kluczowe

EN

barium titanate; compression strength; mechanical properties; particle size distribution

• Wydawca: De Gruyter
• Czasopismo: Materials Science Poland
• Rocznik: 2018
• Tom: Vol. 36, No. 1
• Strony: 151--156
• Opis fizyczny: Bibliogr. 19 poz., rys., tab.

Twórcy

autor

Trzepiecinski T.

• Rzeszow University of Technology, Department of Materials Forming and Processing, Al. Powst. Warszawy 8, 35-959 Rzeszów, Poland

autor

Gromada M.

• Institute of Power Engineering, Ceramic Department CEREL, ul. Techniczna 1, 36-040 Boguchwała, Poland

Bibliografia

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).