Zobrazeno 1 - 10
of 105
pro vyhledávání: '"Miroslav Karlík"'
Autor:
Filip Průša, Petr Kratochvíl, Angelina Strakošová, Miroslav Karlík, Andrea Školáková, Jaroslav Čech, Petr Haušild, Jiří Čapek, Marek Vronka, Jozef Veselý, Hana Thürlová, Marcello Cabibbo, Ondřej Jankovský
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 860-873 (2024)
The CoCrFeNiMnX (X = 5, 20, and 35 at.%) alloys, reinforced with 5 at.% SiC powder, were prepared by mechanical alloying and spark plasma sintering. This preparation method resulted in microstructural refinement of the FCC solid solution grains, whil
Externí odkaz:
https://doaj.org/article/52c5c659051640f0a63f877a70933f87
Autor:
Petr Kratochvíl, Filip Průša, Hana Thürlová, Angelina Strakošová, Miroslav Karlík, Jaroslav Čech, Petr Haušild, Jiří Čapek, Ondřej Ekrt, Markéta Jarošová, Marek Vronka, Jozef Veselý, Peter Minárik, Ondřej Jankovský, Marcello Cabibbo
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 4248-4260 (2024)
Nearly equiatomic AlCoCrFeNi alloy samples were prepared by induction melting and mechanical alloying (MA) combined with spark plasma sintering (SPS). The cast sample showed a dendritic microstructure composed of spinodally decomposed nanometric cons
Externí odkaz:
https://doaj.org/article/c578d185b3e74af09e83517b5e3c0b87
Indentation Size Effect in Electrodeposited Nickel with Different Grain Size and Crystal Orientation
Publikováno v:
Crystals, Vol 13, Iss 9, p 1385 (2023)
Indentation size effect at shallow indentation depths still remains a challenge as it cannot be correctly described by the Nix–Gao model based on the concept of strain gradient plasticity and geometrically necessary dislocations. The reasons for th
Externí odkaz:
https://doaj.org/article/a67217bc80434e83b322ab520aba81a2
Autor:
Miroslav Karlík, Filip Průša, Petr Kratochvíl, Hana Thürlová, Angelina Strakošová, Jaroslav Čech, Jiří Čapek, Marek Vronka, Marcello Cabibbo, Ondřej Ekrt
Publikováno v:
Materials, Vol 16, Iss 6, p 2491 (2023)
Three mechanically alloyed (MA) and spark plasma sintered (SPS) CoCrFeNiNbX (X = 5, 20, and 35 at.%) alloys with an addition of 5 at.% of SiC were investigated. The face-centered cubic (FCC) high-entropy solid solution, NbC carbides, and hexagonal La
Externí odkaz:
https://doaj.org/article/3892f16ef5ac4ab9945b646909de9cf5
Autor:
Jaroslav Čech, Petr Haušild, Miroslav Karlík, Kateřina Nová, Filip Průša, Pavel Novák, Jaromír Kopeček
Publikováno v:
Acta Polytechnica CTU Proceedings, Vol 27, Iss 0, Pp 6-12 (2020)
The study is devoted to the intermetallic alloy FeAl20Si20 (wt.%) with the potential applications in high temperature aggressive environments. The samples of the same chemical composition were prepared by spark plasma sintering from the different mec
Externí odkaz:
https://doaj.org/article/05cc8630d6a444e4a65227165d20ab72
Publikováno v:
Materials, Vol 14, Iss 23, p 7246 (2021)
High entropy alloys (HEAs) are materials of great application potential and which have been extensively studied during the last two decades. As the number of possible element combinations is enormous, model materials representing certain groups of HE
Externí odkaz:
https://doaj.org/article/39dbfa3abd2b4fe49a83130b26dee9f8
Publikováno v:
Metals, Vol 11, Iss 7, p 1074 (2021)
Round tensile test specimens of an age-hardened CuCr1Zr alloy were subjected to direct electrical current heating in a Gleeble thermal–mechanical simulator at 800 °C. The mechanical properties were monitored by the Vickers hardness test, and the c
Externí odkaz:
https://doaj.org/article/81a5ffb76fcb4a4cac27bd7047f2c6fe
Autor:
Jaroslav Čech, Petr Haušild, Miroslav Karlík, Václav Bouček, Kateřina Nová, Filip Průša, Pavel Novák, Jaromír Kopeček
Publikováno v:
Materials, Vol 12, Iss 18, p 2846 (2019)
FeAlSi intermetallics are materials with promising high-temperature mechanical properties and oxidation resistance. Nevertheless, their production by standard metallurgical processes is complicated. In this study, preparation of powders by mechanical
Externí odkaz:
https://doaj.org/article/2d3b7ba33a844680a9b538244a7fa881
Autor:
Aleksandra Małachowska, Ondrej Kovarik, Adam Sajbura, Pawel Sokolowski, Thomas Lindner, Mario Scholze, Miroslav Karlík, Jaroslav Čech, Thomas Lampke
Publikováno v:
Surface and Coatings Technology. 459:129361
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::302a95c87ad95119000f6eb75c78637b
https://doi.org/10.1016/j.surfcoat.2023.129361
https://doi.org/10.1016/j.surfcoat.2023.129361
Autor:
Jiří Čapek, H.S. Sen, Tomas Polcar, M. Vronka, Miroslav Karlík, Mauro Callisti, Peter Minárik, Petr Bábor, Nabil Daghbouj, Jaroslav Čech, Vladimír Havránek
Publikováno v:
Acta Materialia. 202:317-330
Sputter-deposited Zr/Nb nanoscale metallic multilayers with a periodicity of 27 (thin) and 96 nm (thick) were subjected to Cu+implantation with low and high fluences and then studied using various experimental techniques in combination with DFT calcu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f98ef9f16ba520507cda21bf0dc5677b
https://doi.org/10.1016/j.actamat.2020.10.072
https://doi.org/10.1016/j.actamat.2020.10.072