Non-conventional application of field assisted sintering technique for manufacturing of lightweight materials
Project ID:GA19-11275S
Provider:Czech Science Foundation
Period:Jan 01, 2019 - Dec 31, 2021
Recipient -- coordinator:Faculty of Mathematics and Physics, Charles University, Prague -- RNDr. PhDr. Josef Stráský Ph.D.
Co-recepient(s) / PI(s):Institute of Plasma Physics, Czech Academy of Sciences, Prague -- Ing. Tomáš Chráska, Ph.D.
Co-investigators from IPPF. Lukáč, . Csáki, J. Medřický

Aims of the project: Field assisted sintering technique (FAST) also known as SPS or PECS is routinely used for compaction of metallic or ceramic powders. This pioneering project aims on exploring alternative - non-conventional - applications of FAST. Firstly, processing by FAST can be used as an in-situ annealing treatment to achieve optimal phase composition and, ultimately, favourable mechanical properties. This option will be investigated for aerospace high strength lightweight Ti-based alloy Ti5553. Secondly, enhanced diffusion during FAST allows alloying of complicated alloys from elemental powders. Specialized biomedical Ti-Nb-Zr-O alloy will be prepared by high-temperature sintering. Thirdly, composites prepared by sintering of bulk materials (wires or 3D printed structures) with powder of another material will be manufactured: in particular lightweight Al/Ti composite and high-temperature TiAl/ceramic composite. Advanced experimental techniques will be employed for detailed characterization of manufactured materials.

Results:

Csáki Š., Lukáč F., Veverka J., Chráska T.: Synthesis and oxidation resistance of different Ti3SiC2–TiC composites. Ceramics International 50 [14] (2024) 25052-25059. [ Abstract ] [ Link ]

Csáki Š., Lukáč F., Veverka J., Chráska T.: Preparation of Ti3SiC2 MAX phase from Ti, TiC, and SiC by SPS. Ceramics International 48 [19] (2022) 28391-28395. [ Abstract ] [ Link ]

Kozlík J., Preisler D., Stráský J., Kosutová T., Correa C.A., Veselý J., Bodnárová L., Lukáč F., Chráska T., Janeček M.: Manufacturing of biomedical Ti alloys with controlled oxygen content by blended elemental powder metallurgy. Journal of Alloys and Compounds 905 [June] (2022) č. článku 164259. [ Abstract ] [ Link ]

Veverková A., Kozlík J., Bartha K., Košutová T., Correa C., Becker H., Chráska T., Janeček M., Stráský J.: Preparation of bulk Ti-15Mo alloy using cryogenic milling and spark plasma sintering. Materials Characterization 171 [January] (2021) č. článku 110762. [ Abstract ] [ Link ]

Kozlík J., Preisler D., Stráský J., Veselý J., Veverková A., Chráska T., Janeček M.: Phase transformations in a heterogeneous Ti-xNb-7Zr-0.8O alloy prepared by a field-assisted sintering technique. Materials and Design 198 [January] (2021) č. článku 109308. [ Abstract ] [ Link ]

Kozlík J., Veselý J., Stráský J., Chráska T., Janeček M.: Interface of a al6061/ti composite prepared by field assisted sintering technique. Metals 11 [1] (2021) 1-12, č. článku 73. E. [ Abstract ] [ Link ]