Novel Molybdenum Carbide–Tungsten Carbide Composite Nanowires and Their Electrochemical Activation for Efficient and Stable Hydrogen Evolution. Peng Xiao, ... the residual carbon contributes positively to the activity, besides its role of protecting carbide from oxidation. Benefiting from the structure, the catalyst achieves …
A new tungsten matrix composite containing 30 vol% titanium carbide particles (W-TiC) produced by sintering under 20 MPa pressure at 2000°C in a vacuum has been developed in order to improve the elevated temperature strength of tungsten. Flexural strength tests of the W-TiC composite in the temperature range 20–1200°C showed that the strength …
Tungsten-Carbide Composite: A Review. Siddharth Choudhary, Shobhit Singhal, Ujjawal Mayank Srivastava, Pratik Jain, Vikrant Yadav. Abstract - WC alone is very hard and brittle and only when it is used along with a …
Multilayer-structured tungsten carbide composite layers on the surface of the iron-based alloy were obtained by isothermal annealing at 1000 °C, 1050 °C and 1100 °C for 5 h. The composite carbide layer orderly consisted of the W 2 C (W-rich), Fe 3 W 3 C (Fe W-rich) and WC-Fe layers, but the WC-Fe layer played a dominant role …
The present work investigates the tribological properties and microstructures of tungsten carbide (WC: 0–30 wt%) and few-layer graphene (FLG: 0.1–0.5 wt%) …
Detailed experimental characterization of a laser-clad metal matrix composite (MMC) consisting of hard tungsten carbide particles embedded in a comparatively soft nickel-based matrix is provided. Special focus of the investigations is placed on the relationship between the microstructure of the as-deposited reinforcing …
For a novel composite formed from aluminium and tungsten carbide, this attempt is made to see if a composite with good mechanical properties can be produced, by trying to improve its low-cost advantage by coupling the actual production process with a simulation and approximating the parameters and results prior to actual experimental …
In summary, tungsten carbide/carbon composites have been successfully prepared from a polyaniline/tungstic acid hybrid precursor via the annealing process. It was found that the composition of precursors had an obvious effect on the structure of final products, such as the crystallinity of carbides, the degree of graphitization of carbon as ...
Tungsten carbide-titanium carbide composite of six different compositions (in the range 1−15 wt% TiC) prepared by arc plasma melting has been evaluated for the first time by spectroscopic methods such as X-ray photoelectron spectroscopy (XPS), micro Raman spectroscopy and Fourier transform infrared (FTIR) spectroscopy. From XPS, …
Tungsten Carbide Composite Rod Description: Tungsten carbide composite rods (welding rods) are ideal for protecting high-wear components of equipment in the oil and gas drilling, geothermal, mining, and geological exploration industries, including washover shoes, stabilizers, down-the-hole drill bits, reamers, drill rods & subs, etc.
In this study, the 2D ZnCr layered double hydroxide (LDH)/tungsten carbide (WC) composite was prepared by the hydrothermal method and investigated as the electrochemical electrode material for mesalazine (MSZ) detection. The ZnCr-LDH/WC modified electrode has superior electrocatalytic activity towards the MSZ detection …
Tungsten carbide composite layers were deposited on the surface of an iron-based alloy by an diffusion-controlled in situ reaction at 1000 °C and 1100 °C for 5 h. The composite layer consisted of a 300-μm-thick tungsten carbide layer and a 2.5-mm-thick broad composite zone from surface to bottom for the specimen obtained at 1100 …
Composite rods consist of tungsten carbide particles suspended in a copper based binder for severe impact and wear applications. Tungsten carbide particles are typically ¼", 3/16", 1/8", and 1/16" for aggressive cutting or high wear applications and smaller particles for other various applications.
Proton conductivity of the polymer electrolyte membranes in fuel cells dictates their performance and requires sufficient water management. Here, we report a simple, …
Dynalloy Industries manufactures premium quality Dynarod Tungsten Carbide composite brazing rods. They are used in a variety of applications which involve milling and cutting, as well as wear resistance. Dynarod provides weld deposits consisting of layers of multi-faceted chips of Tungsten Carbide in a Nickel Silver, Nickel/Chrome/Boron, or ...
Tungsten carbide, an important member of the class of inorganic compounds of carbon, used alone or with 6 to 20 percent of other metals to impart hardness to cast iron, cutting …
Tungsten carbide is widely employed in armor-piercing ammunition, either as a monolithic sintered type or as a tungsten carbide cobalt composite, especially when depleted uranium is unavailable or politically unpalatable. Tungsten carbide was only utilized to make machine tools and a small number of projectiles. It is an effective …
Lineage Metallurgical provides a well manufactured Tungsten Carbide composite brazing rods. These rods are used in a variety of applications which involves downhole milling and cutting, rock drilling, reaming and the farrier industry.Composite rods consist of tungsten carbide particles suspended in a copper based binder for severe impact and wear …
Tungsten carbide-titanium carbide composite. Arc plasma melting. Zero porosity. Hardness. XRD. TEM. 1. Introduction. TiC addition (in small amount) in W …
Novel refractory carbide reinforced tungsten matrix (W-MeC) composites have high microstructural stability and attractive high-temperature mechanical, thermo …
The results revealed the successful incorporation of tungsten carbide and cobalt particles into the polymer matrix, leading to increased composite density and …
Core-shell structured cobalt coated tungsten carbide (WC/Co) composite powders were prepared by intermittent electrodeposition. The influence of process parameters such as current density, single deposition pulse, pH value and surfactants on the formation of WC/Co was investigated and characterized by scanning electron …
The Drilltech tungsten carbide composite rod exhibit excellent wear & cutting properties, weldability and low fuming during application. Quality consistency are also proven by numerous successful applications like junk mill, stabilizers, rotary shoes, reamers, washover shoes, foundation coring, wear pads, casing window mills, liner mills and ...
In this research, the mechanical properties of carbide concrete composites were investigated. The silicon carbide and tungsten carbide at different percentages (1%, 2%, 3%, and 4%) by weight of cement along with hybrid silicon carbide and tungsten carbide (2% and 4%) were used to produce eleven mixes of concrete composites.
These multi-dimensional structures when introduced to form a composite with the highly beneficial tungsten carbide offer excellent characteristics such as exceptional accessibility to active sites, enhanced surface area, and high mass transport and diffusion which serves as advantageous for the electrochemical quantification of DPA.
Tungsten Carbide is often referred to as a Hard Metal due to it's very high hardness in relation to other metals. Tungsten Carbide is actually a composite material with hard particles of Tungsten Carbide embedded in a softer matrix of metallic Cobalt.
In this study, the 2D ZnCr layered double hydroxide (LDH)/tungsten carbide (WC) composite was prepared by the hydrothermal method and investigated as the electrochemical electrode material for mesalazine (MSZ) detection. The ZnCr-LDH/WC modified electrode has superior electrocatalytic activity towards the MSZ detection …
Tungsten carbide, also known as cemented carbide, is a composite material made by combining tungsten metal powder and carbon. Tungsten carbide is one of the hardest metals commercially used today. It scores about 9 on the Mohs hardness scale, which is slightly higher than titanium, chromium, and cobalt alloys.
Al 0.1 CoCrFeNi-high entropy alloy (HEA) /tungsten carbide (WC)metal matrix composite was successfully prepared by mechanical alloying and subsequent spark plasma sintering. The different volume fraction of WC was distributed evenly by varying the powder milling parameters from gentle milling (~1.37% WC) and intensive milling …
High-entropy carbide ceramics (HECCs) exhibited a series of property superiority, such as high hardness, high oxidation resistance and adjustable range of thermal conductivity, making them great candidates for structural materials used in extreme service conditions. However, current HECC-related reports can only provide limited …
