Tantalum carbide
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2D Superparamagnetic Tantalum Carbide Composite MXenes for Efficient Breast-Cancer Theranostics Open
Background: The emergence of two-dimensional MXenes has spurred their versatile applications in broad fields, but the exploring of novel MXene-based family members and their potential applications in theranostic nanomedicine (concurrent di…
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Fabrication of Smart Tantalum Carbide MXene Quantum Dots with Intrinsic Immunomodulatory Properties for Treatment of Allograft Vasculopathy Open
MXene nanomaterials have sparked significant interest among interdisciplinary researchers to tackle today's medical challenges. In particular, colloidal MXene quantum dots (MQDs) offer the high specific surface area and compositional flexi…
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High-temperature stability and phase transformations of titanium carbide (Ti <sub>3</sub> C <sub>2</sub> T <sub> <i>x</i> </sub> ) MXene Open
Two-dimensional (2D) transition metal carbides, nitrides, and carbonitrides, known as MXenes, are under increasing pressure to meet technological demands in high-temperature applications, as MXenes can be considered to be one of the few ul…
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Response and representation of ductile damage under varying shock loading conditions in tantalum Open
The response of polycrystalline metals, which possess adequate mechanisms for plastic deformation under extreme loading conditions, is often accompanied by the formation of pores within the structure of the material. This large deformation…
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Mechanical properties of tantalum carbide from high-pressure/high-temperature synthesis and first-principles calculations Open
The mechanical strength of ceramic material TaC can be described well with atomistic simulations if realistic deformation models are considered.
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Thermal Analysis of Tantalum Carbide-Hafnium Carbide Solid Solutions from Room Temperature to 1400 °C Open
The thermogravimetric analysis on TaC, HfC, and their solid solutions has been carried out in air up to 1400 °C. Three solid solution compositions have been chosen: 80TaC-20 vol % HfC (T80H20), 50TaC-50 vol % HfC (T50H50), and 20TaC-80 vol…
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Study of microstructure and mechanical behaviour of aluminium alloy hybrid composite with boron carbide and graphene nanoplatelets Open
Lightweight materials with superior designs and improved properties have always been in demand of the aerospace and automobile industries for improved performance. Spark plasma sintering was employed in the present study for the fabricatio…
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Fabrication of new ceramics nanocomposites for solar energy storage and release Open
The carbides nanostructures have huge applications in renewable energy fields such as the saving of solar energy and release which attributed to the good their properties (thermal, electrical, mechanical, optical and chemical). So, in this…
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Fluorine-free synthesized tantalum carbide (Ta<sub>2</sub>C Mxene) as an efficient electrocatalyst for water reduction and nitro compound reduction Open
Ta 2 C MXene, a 2D layered material is synthesized via a fluorine-free etching method, and its application towards electrochemical HER and chemical and electrochemical reduction of nitrocompounds is described here.
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Chemical Vapor Deposition of TaC/SiC on Graphite Tube and Its Ablation and Microstructure Studies Open
Tantalum carbide (TaC) and silicon carbide (SiC) layers were deposited on a graphite tube using a chemical vapor deposition process. Tantalum chloride (TaCl5) was synthesized in situ by reacting tantalum chips with chlorine at 550 °C. TaC …
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The effect of TaC and NbC hybrid and mono-nanoparticles on AA2024 nanocomposites: Microstructure, strengthening, and artificial aging Open
The present work successfully incorporated the composite surface matrices of tantalum carbide (TaC) and niobium carbide (NbC) hybrids and mono-nanoparticles into wrought AA2024 using friction stir processing (FSP). The mechanical, electric…
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Manufacturing ZrB2–SiC–TaC Composite: Potential Application for Aircraft Wing Assessed by Frequency Analysis through Finite Element Model Open
This study presents a new ultra-high temperature composite fabricated by using zirconium diboride (ZrB2), silicon carbide (SiC), and tantalum carbide (TaC) with the volume ratios of 70%, 20%, and 10%, respectively. To attain this novel com…
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Comparison of structural, mechanical and optical properties of tantalum hemicarbide with tantalum monocarbide: ab initio calculations Open
First-principles calculations are employed to investigate and compare the structural, elastic and optical properties of tantalum hemicarbide Ta 2 C and tantalum monocarbide TaC. Calculated lattice constants of these carbides are in good ag…
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Niobium carbide for machining and wear protection – Evolution of properties Open
Basics about physical, mechanical and tribological properties of straight NbCs, including paths to tailor these properties, were layed down in Metal Powder Report, Vol. 71(4), 2016 and Vol. 71(5), 2016. The object is now to give an up-date…
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Chemical Vapor Deposition of Tantalum Carbide from TaCl5-C3H6-Ar-H2 System Open
Tantalum carbide, which is one of the ultra-high temperature ceramics, was deposited on graphite by low pressure chemical vapor deposition from a TaCl5-C3H6- Ar-H2 mixture. To maintain a constant TaCl5/C3H6 ratio during the deposition proc…
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Effect of Cobalt Content on Microstructures and Wear Resistance of Tungsten Carbide–Cobalt-Cemented Carbides Fabricated by Spark Plasma Sintering Open
We researched tungsten carbide–cobalt (WC–Co)-cemented carbides without binder and with little binder and sintered by spark plasma sintering with 0 wt. %, 0.2 wt. %, 0.5 wt. % and 0.8 wt. % Co at different temperatures. The microstructures…
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Enhancement of the Pitting Corrosion Resistance of AISI 316LVM Steel with Ta-Hf-C/Au Bilayers for Biomedical Applications Open
Tantalum carbide (TaC), hafnium carbide (HfC), and Ta-Hf-C mixed coatings with and without a gold (Au) interlayer were deposited on 316LVM steel substrates by the magnetron cosputtering technique in order to improve the corrosion resistanc…
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Pressureless sintering and properties of boron carbide composite materials Open
Boron carbide and Tantalum boride composites were prepared by pressureless sintering of B 4 C with addition of TaC powder. The effect of TaC addition on the sinterability of boron carbide was studied. High densified ceramic with a relative…
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Manufacturing Technology and Properties of Fe/TaC Metal Matrix Composite Coatings Produced on Medium Carbon Steel Using Laser Processing—Preliminary Study on the Single Laser Tracks Open
The paper presents study results of Fe/TaC metal matrix composite coatings produced on tool steel using laser processing of TaC pre-coat. The Fe/TaC coatings were produced in two steps. First, a pre-coat in the form of a paste based on tan…
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Theranostic 2D Tantalum Carbide (MXene) Open
Adv. Mater. 2018, 30, 1703284 There was found to be an error in Figure 6h of the originally published article, where the wrong image was inserted during assembly of the figure for the H&E staining image for the control—row 2, column 1. The…
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The Structure, Morphology, and Mechanical Properties of Ta-Hf-C Coatings Deposited by Pulsed Direct Current Reactive Magnetron Sputtering Open
Ta, Hf, TaCx, HfCx, and TaxHf1-xCy coatings were deposited by reactive pulsed Direct Current (DC) magnetron sputtering of Ta or Hf pure metallic targets in Ar plus CH4 gas mixtures. The properties have been investigated as a function of th…
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Morphology Control of Tantalum Carbide Nanoparticles through Dopant Additions Open
The control of powder morphology in metals and ceramics is of critical importance in applications such as catalysis and chemical sensing whereby specific crystal facets better facilitate chemical r...
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High Temperature Oxidation Study of Tantalum Carbide-Hafnium Carbide Solid Solutions Synthesized by Spark Plasma Sintering Open
Tantalum carbide (TaC) and hafnium carbide (HfC) possess extremely high melting points, around 3900 oC, which are the highest among the known materials. TaC and HfC exhibit superior oxidation resistance under oxygen deficient and rich envi…
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High speed laser cladding as a new approach to prepare ultra-high temperature ceramic coatings Open
Ultra-high temperature ceramic (UHTC) coatings are used to protect the hot-end components of hypervelocity aerocrafts from thermal ablation. This study provides a new approach to fabricate UHTC coatings with high speed laser cladding (HSLC…
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Mechanical and ablation properties of three-dimensional ZrC skeleton-reinforced graphite-based composites Open
Graphite materials are promising aerospace structural materials owing to their low density, high thermal conductivity, and high temperature stability. However, the poor mechanical properties and inferior ablation resistance of graphite mat…
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Reliability and Failure Mode in Solid Tantalum Capacitors Open
The reliability and failure modes in surface mount Solid Electrolytic and Polymer Tantalum capacitors were investigated using the parts manufactured with conventional technology and flawless technology (F-Tech) that suppresses typical defe…
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Green synthesis of nanosized Tantalum carbide (TaC) via natural polymer/tantalum oxide hybrid composites: A sustainable approach towards enhanced processing and properties Open
This study provides a green method for producing nanosized tantalum carbide (TaC) by pyrolyzing natural polymer (Gum karaya)/tantalum oxide hybrid composites, which is both sustainable and environmentally benign. The carbothermal reduction…
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Interface interactions in UN-X-UO2 systems (X = V, Nb, Ta, Cr, Mo, W) by pressure-assisted diffusion experiments at 1773 K Open
UN-UO2 composite fuel is considered an advanced technology fuel (ATF) option to overcome the low oxidation resistance of the UN fuel. However, the interaction between UO2 and UN limits the performance of such composites. A possible way to …
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Preparation of Nickel-Cobalt/Carborundum Carbide Composite Coatings by Supergravity Field-Enhanced Electrodeposition Open
Nickel-cobalt/silicon carbide (Ni-Co/SiC) composite coatings were fabricated by supergravity field-enhanced electrodeposition. The surface morphology and the distribution of the SiC particles in the coatings were examined by scanning elect…
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Exposure of Tantalum Carbide, Silicon Nitride and Aluminum Nitride to Chlorine Trifluoride Gas Open
Widely used coating materials, such as tantalum carbide, silicon nitride and aluminum nitride, were exposed to chlorine trifluoride gas at various temperatures. The tantalum carbide powder was etched and vaporized by a quick and significan…