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Article

Preparation and Characteristics of High-Performance, Low-Density Metallo–Ceramics Composite

by
Vitalijs Abramovskis
1,*,
Reinis Drunka
2,
Štefan Csáki
3,4,
František Lukáč
5,
Jakub Veverka
5,
Ksenia Illkova
5,
Pavels Gavrilovs
1 and
Andrei Shishkin
1,*
1
Laboratory of Ecological Solutions and Sustainable Development of Materials, Faculty of Materials Science and Applied Chemistry, Institute of General Chemical Engineering, Riga Technical University, Pulka 3, K-3, LV-1007 Riga, Latvia
2
Institute of Materials and Surface Technologies, Riga Technical University, P. Valdena iela 7, LV-1048 Riga, Latvia
3
Department of Physics, Faculty of Natural Sciences and Informatics, Constantine the Philosopher University in Nitra, Tr. A. Hlinku 1, 949 01 Nitra, Slovakia
4
Department of Horticultural Machinery, Mendel University in Brno, Valtická 337, 691 44 Lednice, Czech Republic
5
Institute of Plasma Physics of the Czech Academy of Sciences, U Slovanky 2525/1a, 182 00 Prague, Czech Republic
*
Authors to whom correspondence should be addressed.
Materials 2023, 16(24), 7523; https://doi.org/10.3390/ma16247523
Submission received: 9 November 2023 / Revised: 29 November 2023 / Accepted: 1 December 2023 / Published: 6 December 2023
(This article belongs to the Special Issue Advanced Materials – Microstructure, Manufacturing and Analysis)
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Abstract

By applying the physical vapour deposition method, hollow ceramic microspheres were coated with titanium, and subsequently, they were sintered using the spark plasma sintering technique to create a porous ceramic material that is lightweight and devoid of a matrix. The sintering process was carried out at temperatures ranging from 1050 to 1200 °C, with a holding time of 2 min. The samples were subjected to conventional thermal analyses (differential scanning calorimetry, thermogravimetry, dilatometry), oxidation resistance tests, and thermal diffusivity measurements. Phase analysis of the samples was performed using the XRD and the microstructure of the prepared specimens was examined using electron microscopy. The titanium coating on the microspheres increased the compressive strength and density of the resulting ceramic material as the sintering temperature increased. The morphology of the samples was carefully examined, and phase transitions were also identified during the analysis of the samples.
Keywords: cenospheres; syntactic foam; titanium coating; spark plasma sintering; physical vapor deposition cenospheres; syntactic foam; titanium coating; spark plasma sintering; physical vapor deposition

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MDPI and ACS Style

Abramovskis, V.; Drunka, R.; Csáki, Š.; Lukáč, F.; Veverka, J.; Illkova, K.; Gavrilovs, P.; Shishkin, A. Preparation and Characteristics of High-Performance, Low-Density Metallo–Ceramics Composite. Materials 2023, 16, 7523. https://doi.org/10.3390/ma16247523

AMA Style

Abramovskis V, Drunka R, Csáki Š, Lukáč F, Veverka J, Illkova K, Gavrilovs P, Shishkin A. Preparation and Characteristics of High-Performance, Low-Density Metallo–Ceramics Composite. Materials. 2023; 16(24):7523. https://doi.org/10.3390/ma16247523

Chicago/Turabian Style

Abramovskis, Vitalijs, Reinis Drunka, Štefan Csáki, František Lukáč, Jakub Veverka, Ksenia Illkova, Pavels Gavrilovs, and Andrei Shishkin. 2023. "Preparation and Characteristics of High-Performance, Low-Density Metallo–Ceramics Composite" Materials 16, no. 24: 7523. https://doi.org/10.3390/ma16247523

APA Style

Abramovskis, V., Drunka, R., Csáki, Š., Lukáč, F., Veverka, J., Illkova, K., Gavrilovs, P., & Shishkin, A. (2023). Preparation and Characteristics of High-Performance, Low-Density Metallo–Ceramics Composite. Materials, 16(24), 7523. https://doi.org/10.3390/ma16247523

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