Results 41 to 50 of about 286 (167)
The synthesis of ZrB2 from elemental reactants via reactive spark plasma sintering (SPS) process is markedly affected by the heating rate conditions adopted.
R. Licheri, C. Musa, R. Orru, G. Cao
doaj +1 more source
Melting point of group IV and V transition metal diborides
The environmental conical nozzle levitator system enables cooling trace experiments above 4000 K. These cooling trace experiments were used to determine the melting points through observation of thermal arrest of group IV and V transition metal diborides (TiB2, Tm = 3313 ± 33 K; ZrB2, Tm = 3404 ± 38 K; HfB2, Tm = 3529 ± 33 K; and TaB2, Tm = 3284 ± 10 K;
Fox Thorpe +4 more
wiley +1 more source
Abstract Silicon carbide (SiC) is a promising material for hypersonic thermal protection systems, but its complex oxidation behavior—marked by transitions between passive, active, and interfacial bubbling regimes—can lead to catastrophic failure. Existing SiC models typically focus exclusively on either passive or active oxidation.
Théo A. Rulko, Raúl A. Radovitzky
wiley +1 more source
Synthesis of rod-like ZrB2 under concentrated solar radiation
Rod-like zirconium diboride (ZrB _2 ) was synthesized for the first time using concentrated solar energy. The process involved the preparation of a Zr/O/C/B complex by sol–gel preparation at 120 °C, followed by carbothermic reduction in a quartz-windowed
Laura G Ceballos-Mendivil +7 more
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Synthesis of ZrB2 by Carbothermic Method with Reactant Material Obtained from Polymer Precursor
Zirconium diboride (ZrB2) was synthesized via a carbothermic method using a ZrO2 powder mixture, which was obtained a reactant by mixing B2O3 and a carbon source derived from a polymer precursor as well as by combining glassy B2O3 with activated carbon ...
Oğuz Karaahmet
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Investigation of the Oxidation Resistance of ZrB₂ Composites Containing Nano Carbon Black and Silicon Carbide in Air Atmosphere [PDF]
Introduction and Objectives: ZrB2-SiC composites are widely used in industeries such as aerospace due to their high melting points. This study investigates the effect of adding nano carbon black and silicon carbide (SiC) on the oxidation resistance of ...
Zohre Balak, Hamze Ghanbari Pour
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High‐Entropy Materials for Electromagnetic Wave Absorption and EMI Shielding
This review unravels how compositional design, microstructure, and synthesis of high‐entropy materials converge to govern electromagnetic performance. It outlines critical knowledge gaps and future directions for EM absorption and shielding technologies.
Erdem Tevfik Özdemir +2 more
wiley +1 more source
Combustion synthesis of ultra‐high temperature ceramics: Review
Abstract Novel and future‐oriented aerospace, energy, transportation, and other industrial technologies require materials capable of operating at temperatures above 2000°C. Ultra‐high temperature ceramic materials (UHTCs), based on carbides, borides, carbonitrides, and nitrides of transition metals—many with melting points exceeding 3000°C—possess the ...
Alexander S. Mukasyan +1 more
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MBenes: A Comprehensive Review of Synthesis Techniques and Energy Storage Capabilities
This manuscript comprehensively reviewed 2D metal borides (MBenes) for advanced energy storage and explored synthesis techniques impacting stability and efficiency. Abstract This review thoroughly examines the potential of 2D transition metal borides (MBenes) for sophisticated energy storage applications.
MD. Tanvir Amin +3 more
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Ceramics Surface Design by Laser Texturing: A Review on Structures and Functionalities
Laser surface texturing (LST) is a huge source for innovation in ceramics, as its versatility allows a swift production of very distinct functionalities for attaining high performances in several fields. This function‐oriented review gathers highly relevant applications of laser surface textured ceramics, from optical, thermal, electronic ...
Edna Silva +2 more
wiley +1 more source

