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Št. zadetkov: 9
Magnesium alloys for hydrogen storage
Dalibor Vojtěch, Vítězslav Knotek
Izvirni znanstveni članek
Oznake: hydrogen storage;hydriding process;magnesium alloys;electrochemistry;
Several as-cast, binary Mg-Ni and ternary Mg-Ni-Mm (Mm = mischmetal) alloys were studied with respect to hydrogen storage. The alloys were hydrided using a new, electrochemical process to find the most promising alloy. The electrochemical hydriding process consisted of the electrolysis of a 6-M KOH ...
Leto: 2012 Vir: dLib.si Digitalna knjižnica Slovenije
Application of powder metallurgy in the processing of aluminium scraps with high-iron contents
Dalibor Vojtěch, Filip Průša
Izvirni znanstveni članek
Oznake: aluminium;powder metallurgy;solidification;iron;
The Al-14Si-8Fe and Al-22Si-8Fe-1Cr (w/%) alloys were prepared via melt centrifugal atomization and compaction at a pressure of 6 GPa. The resulting alloys were porosity-free with good contacts between the particles. The structures were very fine and consisted of primary [alpha](Al) dendrites, eutec ...
Leto: 2012 Vir: dLib.si Digitalna knjižnica Slovenije
Siliconizing as a method for improving the resistance of titanium to oxidation
Dalibor Vojtěch, Tomáš Kubatík
Strokovni članek
Oznake: titanium;silicon;siliconizing;CVD;oxidation;hardness;
Leto: 2003 Vir: dLib.si Digitalna knjižnica Slovenije
Improving the casting properties of high-strength aluminium alloys
Dalibor Vojtěch, Jan Šerák, Ondřej Ekrt
Strokovni članek
Oznake: Al-Zn-Mg-Cu alloys;casting properties;solidification;eutectic;
Al-Zn-Mg-Cu alloys are examples of high-strength alloys. After age-hardening they often possess tensile strengths of more than 500 MPa. However, their casting properties are relatively poor as a result of solidification intervals that are too wide. Therefore, they often require an extrusion, rolling ...
Leto: 2004 Vir: dLib.si Digitalna knjižnica Slovenije
Heat treatment of a P/M tool steel containing an increased niobium content
Jan Šerák, Dalibor Vojtěch, Marketa Pavlíčková, Pavel Novák
Izvirni znanstveni članek
Oznake: P/M tool steel;heat treatment;niobium;
Leto: 2003 Vir: dLib.si Digitalna knjižnica Slovenije
Reactive-sintering production of intermetallics
Pavel Novák, Ivo Marek, Lucie Mejzlíková, Alena Michalcová, Dalibor Vojtěch
Izvirni znanstveni članek
Oznake: intermetallics;powder metallurgy;reactive sintering;
Intermetallic phases offer a large variety of interesting properties, such as high-temperature oxidation resistance, creep resistance, special magnetic properties, shape memory or the ability to store hydrogen reversibly. However, the practical utilization of this group of materials is very limited ...
Leto: 2012 Vir: dLib.si Digitalna knjižnica Slovenije
Characterization of hFOB 1.19 cell line for studying Zn-based degradable metallic biomaterials
Eva Jablonská, Lucie Mrázková, Jiří Kubásek, Dalibor Vojtěch, Irena Paulin, Tomáš Ruml, Jan Lipov
Izvirni znanstveni članek
Oznake: zinc degradable materials;in vitro cytotoxicity testing;hFOB 1.19 osteoblasts;
In vitro testing is the first important step in the development of new biomaterials. The human fetal osteoblast cell line hFOB 1.19 is a very promising cell model; however, there are vast discrepancies in cultivation protocols, especially in the cultivation temperature and the presence of the select ...
Leto: 2024 Vir: Inštitut za kovinske materiale in tehnologije (IMT)
Exploring the microstructure, mechanical properties, and corrosion resistance of innovative bioabsorbable Zn-Mg-(Si) alloys fabricated via powder metallurgy techniques
David Nečas, Vojtěch Hybášek, Jan Pinc, Andrea Školáková, Ilona Voňavková, Klára Hosová, Martin Zlámal, Anna Boukalová, Jan Pokorný, Drahomír Dvorský, Črtomir Donik, Dalibor Vojtěch, Jiří Kubásek
Izvirni znanstveni članek
Oznake: zinc;mechanical alloying;biodegradable metals;composite;spark plasma sintering;extrusion;powder metallurgy;
Zinc alloys belong to the widely studied materials for applications like medical devices, however, they often encounter an inappropriate combination of mechanical/corrosion/biological properties. In this respect, we produced the Zn–1Mg and Zn–1Mg–1Si containing biologically friendly elements with po ...
Leto: 2024 Vir: Inštitut za kovinske materiale in tehnologije (IMT)
Harmonizing microstructures and enhancing mechanical resilience
Anna Boukalová, Jiří Kubásek, David Nečas, Peter Minárik, Črtomir Donik, Drahomír Dvorský, Dalibor Vojtěch, Alena Michalcová, Matjaž Godec, Irena Paulin
Izvirni znanstveni članek
Oznake: zinc;magnesium;biodegradable;powder metallurgy;harmonic structure;
Zinc alloys are recognised for their excellent biocompatibility and favourable corrosion rates, making them suitable for bioabsorbable implants. However, their mechanical properties necessitate improvement to fulfil the rigorous requirements of biomedical applications. This research focuses on engin ...
Leto: 2024 Vir: Inštitut za kovinske materiale in tehnologije (IMT)
Št. zadetkov: 9
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