Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Karol Iždinský"'
Autor:
Andrej Opálek, Marta Gaburjáková, Peter Švec, Stanislav Kúdela, Matej Štĕpánek, Pavol Štefánik, Karol Iždinský
Publikováno v:
Metals, Vol 11, Iss 10, p 1582 (2021)
The performance of attractive Ni-based composites can be affected by changing their microstructures, e.g., introducing pores. Here, we report a novel, relatively low-cost process to fabricate Ni/Al2O3 composites with open porosity modified by the siz
Externí odkaz:
https://doaj.org/article/b0d57633d5bc456ebba92cd5f3c3a566
Autor:
Andrej Opálek, Peter Švec, Matúš Žemlička, Matej Štěpánek, Pavol Štefánik, Stanislav Kúdela, Naďa Beronská, Karol Iždinský
Publikováno v:
Materials
Volume 16
Issue 3
Pages: 988
Volume 16
Issue 3
Pages: 988
This work presents an energy-efficient, cheap, and rapid production method of a metal–ceramic preform with open porosity suitable for liquid metal infiltration and filtration applications. It is based on cold isostatic pressing of a mixture of rela
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0b39e6a8f1577c9f7bce2b7bee434211
https://doi.org/10.3390/ma16030988
https://doi.org/10.3390/ma16030988
Autor:
Matej Štĕpánek, Andrej Opálek, Peter Švec, Karol Iždinský, Marta Gaburjáková, S. Kudela, Pavol Štefánik
Publikováno v:
Metals
Volume 11
Issue 10
Metals, Vol 11, Iss 1582, p 1582 (2021)
Volume 11
Issue 10
Metals, Vol 11, Iss 1582, p 1582 (2021)
The performance of attractive Ni-based composites can be affected by changing their microstructures, e.g., introducing pores. Here, we report a novel, relatively low-cost process to fabricate Ni/Al2O3 composites with open porosity modified by the siz
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eb0ca38ac022795b1f9293aa750c94b2
Publikováno v:
Materials Science Forum. 891:537-541
Two types of aluminium metal matrix composites (Al-MMCs) were prepared by cold spray process. The first Al-MMC was reinforced with granite rock and the second was reinforced with limestone rock particles. Al powder and rock powders (granite or limest
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::27c9b6fa14012dd7cec947344f1e22b3
https://doi.org/10.4028/www.scientific.net/msf.891.537
https://doi.org/10.4028/www.scientific.net/msf.891.537
Autor:
Štefan Kavecký, Andrej Opálek, Andrea Kollarovičová, Štefan Nagy, Karol Iždinský, Naďa Beronská, Pavol Štefánik
Publikováno v:
Materials Science Forum. 891:458-461
Cu/ZrB2 composite was prepared by gas pressure infiltration of molten metal into ceramic preform. Microstructure and erosion resistance of composite was investigated. The microstructure was analysed by light microscopy and scanning electron microscop
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f78627e9a852e783cf8d2799e18640ef
https://doi.org/10.4028/www.scientific.net/msf.891.458
https://doi.org/10.4028/www.scientific.net/msf.891.458
Autor:
S. Kudela, Štefan Nagy, A. Klimová, Andrej Opálek, Karol Iždinský, Pavol Štefánik, Naďa Beronská
Publikováno v:
Materials Science Forum. 891:533-536
The Ni-NiO skeleton seems to be a good candidate for various applications in industry such as corrosion-proof filters or components in refrigerating systems and as preforms for reactive infiltration with molten metals.The present work was focused on
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::77af3c833ab4d728a674a3fd49893c86
https://doi.org/10.4028/www.scientific.net/msf.891.533
https://doi.org/10.4028/www.scientific.net/msf.891.533
Publikováno v:
Materials & Design, Vol 108, Iss, Pp 618-623 (2016)
The aim of the work is to study interface formation between Al2O3 particles and Al(Ca) matrix in dependence of Ca content. Aluminium matrix composites (AMC) subjected to investigation were prepared by gas pressure assisted infiltration of alumina bed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ebb77a7ebee46397bd2a266c57fcdd29
https://doi.org/10.1016/j.matdes.2016.07.034
https://doi.org/10.1016/j.matdes.2016.07.034
Publikováno v:
Materials & Design (1980-2015). 66:1-6
The work is focused to prepare Al based master-alloy pellet with 50 vol.% of Al2O3 for subsequent manufacturing of aluminum matrix composites with desired amount of reinforcement (5–20%). Since master-alloy is manufactured via pressure infiltration
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f636ee03a8033a7e5371c96489c65d63
https://doi.org/10.1016/j.matdes.2014.09.035
https://doi.org/10.1016/j.matdes.2014.09.035
Publikováno v:
Materials Science Forum. 782:519-522
The thermal expansion behaviour of Cu-1Cr/C composite subjected to 5 thermal cycles in the temperature range 30 - 1000 °C was investigated. The coefficients of thermal expansions (CTEs) as low as 0.7 x 10-6 K-1 in longitudinal and as large as 24.0 x
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e9fb80b87250f783242d7e6f78166d73
https://doi.org/10.4028/www.scientific.net/msf.782.519
https://doi.org/10.4028/www.scientific.net/msf.782.519
Publikováno v:
Materials Science Forum. 782:513-518
Tungsten as refractory material and high thermal conductive carbon fibres are promising candidates for production of copper matrix composites for high temperature applications. Three types of rod-like samples were prepared by gas pressure infiltratio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5dce26de3906da49bc56871a549ba490
https://doi.org/10.4028/www.scientific.net/msf.782.513
https://doi.org/10.4028/www.scientific.net/msf.782.513