TY  - CONF
AU  - Kromka, František
AU  - Szabó, Juraj
AU  - Milkovič, Ondrej
AU  - Ďurišinová, Katarína
AU  - Labus, Nebojša
PY  - 2023
UR  - https://dais.sanu.ac.rs/123456789/15637
AB  - Nanocomposites are multiphase materials in which at least one of the structural compounds has a size below 100 nm. The subject of this work is creation of a dispersion-strengthened nanocomposite (DSC) with copper matrix. There are many dispersions that are possible to be used in DSC with copper matrix, such as Al2O3, Y3O2, TiO2, and WC. In this work we used Al2O3 due to the possibility of making even dispersion in the material and its economical availability. Such composites exhibit thermal stability of their mechanical properties up to 900 °C for at least 1 hour exposure, which opens new possibilities for use of such materials in high-temperature, high-strength applications. Materials created by our team exhibited good mechanical properties, namely hardness, which was up to 136 HB; however, it has to be noted that amount of dispersion particles had a direct effect on the hardness of the composite. Properties of the DSC´s are also dependent on the method of its preparation and compactization. Composites in this work were prepared by powder metallurgy method and sintered by spark plasma sintering, which allowed these composites to reach 99% density. Furthermore, DSCs were tested for their thermal stability, and their properties were evaluated and compared even with precipitation-strengthened copper-chrome material in order to show potential of possible usage of DSCs in spot welding applications, which require high strength, hardness, and electric conductivity.
PB  - Belgrade : Institute of Technical Sciences of SASA
C3  - Program and the Book of abstracts / Twenty-first Young Researchers' Conference Materials Science and Engineering, November 29 – December 1, 2023, Belgrade, Serbia
T1  - Preparation of dispersion strengthened nanocomposite with Al2O3 and MgO particles by spark plasma sintering
SP  - 57
EP  - 57
UR  - https://hdl.handle.net/21.15107/rcub_dais_15637
ER  - 

@conference{
author = "Kromka, František and Szabó, Juraj and Milkovič, Ondrej and Ďurišinová, Katarína and Labus, Nebojša",
year = "2023",
abstract = "Nanocomposites are multiphase materials in which at least one of the structural compounds has a size below 100 nm. The subject of this work is creation of a dispersion-strengthened nanocomposite (DSC) with copper matrix. There are many dispersions that are possible to be used in DSC with copper matrix, such as Al2O3, Y3O2, TiO2, and WC. In this work we used Al2O3 due to the possibility of making even dispersion in the material and its economical availability. Such composites exhibit thermal stability of their mechanical properties up to 900 °C for at least 1 hour exposure, which opens new possibilities for use of such materials in high-temperature, high-strength applications. Materials created by our team exhibited good mechanical properties, namely hardness, which was up to 136 HB; however, it has to be noted that amount of dispersion particles had a direct effect on the hardness of the composite. Properties of the DSC´s are also dependent on the method of its preparation and compactization. Composites in this work were prepared by powder metallurgy method and sintered by spark plasma sintering, which allowed these composites to reach 99% density. Furthermore, DSCs were tested for their thermal stability, and their properties were evaluated and compared even with precipitation-strengthened copper-chrome material in order to show potential of possible usage of DSCs in spot welding applications, which require high strength, hardness, and electric conductivity.",
publisher = "Belgrade : Institute of Technical Sciences of SASA",
journal = "Program and the Book of abstracts / Twenty-first Young Researchers' Conference Materials Science and Engineering, November 29 – December 1, 2023, Belgrade, Serbia",
title = "Preparation of dispersion strengthened nanocomposite with Al2O3 and MgO particles by spark plasma sintering",
pages = "57-57",
url = "https://hdl.handle.net/21.15107/rcub_dais_15637"
}

Kromka, F., Szabó, J., Milkovič, O., Ďurišinová, K.,& Labus, N.. (2023). Preparation of dispersion strengthened nanocomposite with Al2O3 and MgO particles by spark plasma sintering. in Program and the Book of abstracts / Twenty-first Young Researchers' Conference Materials Science and Engineering, November 29 – December 1, 2023, Belgrade, Serbia
Belgrade : Institute of Technical Sciences of SASA., 57-57.
https://hdl.handle.net/21.15107/rcub_dais_15637

Kromka F, Szabó J, Milkovič O, Ďurišinová K, Labus N. Preparation of dispersion strengthened nanocomposite with Al2O3 and MgO particles by spark plasma sintering. in Program and the Book of abstracts / Twenty-first Young Researchers' Conference Materials Science and Engineering, November 29 – December 1, 2023, Belgrade, Serbia. 2023;:57-57.
https://hdl.handle.net/21.15107/rcub_dais_15637 .

Kromka, František, Szabó, Juraj, Milkovič, Ondrej, Ďurišinová, Katarína, Labus, Nebojša, "Preparation of dispersion strengthened nanocomposite with Al2O3 and MgO particles by spark plasma sintering" in Program and the Book of abstracts / Twenty-first Young Researchers' Conference Materials Science and Engineering, November 29 – December 1, 2023, Belgrade, Serbia (2023):57-57,
https://hdl.handle.net/21.15107/rcub_dais_15637 .