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Oxidation Behavior of Alx(CoCrFeNi)100-x High-Entropy Alloys Under Thermal-Cycling Conditions

Autor: Aleksander Gil, Juliusz Dąbrowa, Marek Zajusz, K. Matsuda, Marek Danielewski, Grzegorz Cieślak, Krzysztof Mroczka, Monika Jawańska, M. Stygar, Jerzy Jedlinski, Tadeusz Kulik

Publikováno v: Oxidation of Metals. 96:307-321

The oxidation behavior of five different high-entropy alloys from the Al–Co–Cr–Fe–Ni metallic system, namely Alx(CoCrFeNi)100-x (x = 0; 3; 6; 9; 12), was studied under thermal-cycling conditions, at 1273 K in air atmosphere. The choice of sel

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ad664ee9b37340a632e1dd511eed400c
https://doi.org/10.1007/s11085-021-10048-5

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Akademický článek

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Stabilizing fluorite structure in ceria-based high-entropy oxides: Influence of Mo addition on crystal structure and transport properties

Autor: Konrad Świerczek, Magdalena Wytrwal-Sarna, Maria Szymczak, Juliusz Dąbrowa, Andrzej Bernasik, M. Stygar, Marek Zajusz, Katarzyna Berent, Andrzej Mikuła, Maciej Moździerz

Publikováno v: Journal of the European Ceramic Society. 40:5870-5881

(Ce,Gd,Nd,Sm,Pr)O2-δ and (Ce,Gd,La,Nd,Pr)O2-δ rare-earth high-entropy oxides (HEOx) with the oxygen vacancy-ordered Ia-3 structure are doped with a small amount of molybdenum, to prepare two series of materials, (Ce,Gd,Nd,Sm,Pr,Mox)O2-δ and (Ce,Gd

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::01c3c4bba2cf024922743ec9e36aace1
https://doi.org/10.1016/j.jeurceramsoc.2020.07.014

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Formation and properties of high entropy oxides in Co-Cr-Fe-Mg-Mn-Ni-O system: Novel (Cr,Fe,Mg,Mn,Ni)3O4 and (Co,Cr,Fe,Mg,Mn)3O4 high entropy spinels

Autor: M. Stygar, Marek Zajusz, Krzysztof Mroczka, Wojciech Skubida, Katarzyna Berent, Konrad Świerczek, Maciej Moździerz, Marek Danielewski, Juliusz Dąbrowa

Publikováno v: Journal of the European Ceramic Society. 40:1644-1650

Possibility of formation of quinary and senary equimolar high entropy oxides from the Co-Cr-Fe-Mg-Mn-Ni-O system is presented. Different proposed compositions are synthesized using the solid-state reaction route at high temperatures (900−1100 °C)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ed29cd4bbb49ac5bac5ec87b9568009a
https://doi.org/10.1016/j.jeurceramsoc.2019.11.030

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Defect structure and transport properties of (Co,Cr,Fe,Mn,Ni)3O4 spinel-structured high entropy oxide

Autor: Maria Miszczak, G. Smoła, Zbigniew Grzesik, Konrad Świerczek, M. Stygar, Juliusz Dąbrowa, Marek Danielewski, Marek Zajusz

Publikováno v: Journal of the European Ceramic Society. 40:835-839

Defect structure and chemical diffusion in the (Co,Cr,Fe,Mn,Ni)3O4 high entropy oxide is investigated. The material is synthesized by means of a solid-state reaction, through sintering mixture of composing oxides at 1273 K for 20 h. Presence of the s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a79e7161f17b0949aec36c5a30dcc2a3
https://doi.org/10.1016/j.jeurceramsoc.2019.10.026

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Defect structure and transport properties in (Co,Cu,Mg,Ni,Zn)O high entropy oxide

Autor: Krzysztof Mroczka, G. Smoła, M. Stygar, Marek Zajusz, Zbigniew Grzesik, Marek Danielewski, Juliusz Dąbrowa

Publikováno v: Journal of the European Ceramic Society. 39:4292-4298

The defect structure and chemical diffusion in the (Co,Cu,Mg,Ni,Zn)O high entropy oxide were investigated. The material was synthesized in a form of pellets by means of a solid-state reaction, through sintering the mixture of composing oxides at 1273

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b3a3ed0685c1a4fcebaea3b7ef3bfb79
https://doi.org/10.1016/j.jeurceramsoc.2019.06.018

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The hydrogen context and vulnerabilities in the central and Eastern European countries

Autor: Viacheslav Zgonnik, Martin Paidar, M. Stygar, Mihaela Iordache, Karel Bouzek, Vladimir N. Fateev, Ioan Iordache, Ioan Stefanescu, Johannes Töpler, Juliusz Dąbrowa, Tomasz Brylewski, Karin Stehlík, Sergey A. Grigoriev, Dorin Schitea

Publikováno v: International Journal of Hydrogen Energy. 44:19036-19054

The article contains examples about hydrogen research and development progress in different countries: Czech Republic, Poland, Romania, Russia and Ukraine. Each chapter describes a specific situation for a country and one of them describes some aspec

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3e063cba16ee92e6d013982ca86cfc14
https://doi.org/10.1016/j.ijhydene.2018.08.128

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High-temperature oxidation of the Crofer 22 H ferritic steel with Mn1.45Co1.45Fe0.1O4 and Mn1.5Co1.5O4 spinel coatings under thermal cycling conditions and its properties

Autor: Sebastian Molin, M. Bednarz, Maciej Sitarz, Tomasz Brylewski, M. Bobruk, Elżbieta Długoń, M. Stygar

Publikováno v: Materials Chemistry and Physics. 225:227-238

The aim of the presented study was to deposit protective-conducting Mn1.45Co1.45Fe0.1O4 and Mn1.5Co1.5O4 spinel coatings on the Crofer 22 H ferritic steel by means of electrophoresis and to evaluate their physicochemical properties after high-tempera

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4088f855864baee8521c1de69fe5c88f
https://doi.org/10.1016/j.matchemphys.2018.12.090

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