CONTACT US

Our Address

Science Avenue, High-tech Zone, Zhengzhou City, Henan Province, China

  • Carbide - Wikipedia

    Some of them e.g. titanium carbide, TiC and tungsten carbide are important industrially and are used to coat metals in cutting tools. [3] The long-held view is that the carbon atoms fit into octahedral interstices in a close-packed metal lattice when the metal atom radius is greater than approximately 135 pm: [2]

  • Titanium Carbide Tungsten Carbide
  • Uses of Carbide - Calcium, Tungsten, Silicon, Aluminum, Boron

    Carbide is a term which indicates a compound of carbon and some other element or group of elements. When you hear about this chemical compound, it refers to calcium or tungsten carbide generally. There are other types of carbides serving different purposes in

  • Tungsten carbide chemical compound Britannica

    Tungsten carbide is a dense, metallike substance, light gray with a bluish tinge, that decomposes, rather than melts, at 2,600° C (4,700° F). It is prepared by heating powdered tungsten with carbon black in the presence of hydrogen at 1,400°–1,600° C (2,550°–2,900° F). For fabrication, a process developed in the 1920s is employed: the powdered tungsten carbide is mixed with another ...

  • Tungsten Carbide

    Tungsten carbide is a very tough material made up of tungsten and carbon atoms. Its principal component, tungsten (wolfram), is one of the densest non-radioactive elements, and has the highest melting point of any element. Tungsten carbide is synthesized

  • Tungsten - Origin Uses, Atoms, Chemical Properties

    One of the most common uses is when tungsten mixes with carbon, forming tungsten carbide. Tungsten carbide is used for such things as drill bits. Because of its hardness, a tungsten carbide drill bit is ideal, and cheaper than a diamond drill bit, which would be one of the only types of drill bits harder than a tungsten carbide drill bit.

  • Tungsten Carbide Fine Powder High Purity Less Price Fast ...

    Tungsten Carbide Powder: Tungsten carbide (chemical formula: WC) is a chemical compound (specifically, a carbide) containing equal parts of tungsten and carbon atoms. Tungsten Carbide (WC) Nanoparticles, nanodots or nanopowder are black spherical high surface area particles.

  • Carbide chemical compound Britannica

    Carbide, any of a class of chemical compounds in which carbon is combined with a metallic or semimetallic element. Calcium carbide is important chiefly as a source of acetylene and other chemicals, whereas the carbides of silicon, tungsten, and several other elements are valued for their physical

  • What Type of Bonding Occurs in Tungsten? Sciencing

    Apr 25, 2017  The metal atoms are not constrained in a rigid framework like the atoms in a diamond crystal, so pure tungsten is, like other metals, malleable and ductile. The delocalized electrons help to hold all the tungsten atoms together. Tungsten is found in several different structures: alpha, beta and gamma tungsten.

  • Constructing Pure Phase Tungsten‐Based Bimetallic Carbide ...

    The synergistic effect of Co and W atoms effectively tailors the electron state of carbide, optimizing the hydrogen‐binding energy. Thus Co 6 W 6 [email protected] shows an enhanced HER performance with an overpotential of 59 mV at a current density of −10 mA cm −2.

  • Tungsten - Wikipedia

    Tungsten, or wolfram, is a chemical element with the symbol W and atomic number 74. The name tungsten comes from the former Swedish name for the tungstate mineral scheelite, tungsten which means "heavy stone". Tungsten is a rare metal found naturally on Earth almost exclusively combined with other elements in chemical compounds rather than alone. It was identified as a new element in

  • Is Tungsten Carbide Good for Wedding Rings?(Detailed ...

    Tungsten carbide rings contain an equal number of carbon atoms and tungsten metal. The combination results in a very fine powder that is mixed with a binding agent, like cobalt or nickel, to create a compound used in crafting different shapes and designs.

  • What You Need To Know About Tungsten Carbide Wedding Rings

    Oct 17, 2018  Tungsten and Carbon atoms are both found equally in a Tungsten Carbide wedding ring. In their simplest form, they are a very fine, grey powder. To create a piece of jewelry from this compound, designers have to manipulate it with industrial machinery and cutting tools , which are completely abrasive.

  • Blue Tungsten Carbide Rings Wedding Bands - InnovatoDesign

    Tungsten rings are one of the most popular contemporary rings for men. These are actually made of tungsten carbide, which is a mixture of tungsten and carbon atoms. This metal is amazingly hard, which makes them durable and scratch-resistant. These are incredibly affordable and are available in gunmetal grey, white, and black.

  • Simulation study on retention and reflection from tungsten ...

    We have discussed the retention curves for incident energy of 5 keV at incident angles of 0° and 80° and of 500 eV at 0°. The energy spectra of helium atoms reflected from tungsten carbide for incident energy of 500 eV at 0° and 80° were compared with those from graphite and tungsten.

  • A new strategy to efficiently fabricate tungsten carbide ...

    May 15, 2020  A tungsten carbide coating on tungsten was fabricated by hot-pressing tungsten with high‑carbon steel. The interstitial carbon atoms in the high‑carbon steel diffused into the tungsten, forming a WC coating. The coating is completely nonporous, and the volume fraction of the carbide phases is close to 100%.

  • Tungsten Carbides - an overview ScienceDirect Topics

    The LWC was prepared by adding 2 wt % free carbon to a tungsten carbide produced by the reduction-carburization of tungsten oxide (WO 3) with pure CO (100 ml/min) at 650 °C. The 10 g of low-grade tungsten carbide was loaded in a 40 mm ID of tubular alumina

  • Tungsten Carbide Fine Powder High Purity Less Price Fast ...

    Tungsten Carbide Powder: Tungsten carbide (chemical formula: WC) is a chemical compound (specifically, a carbide) containing equal parts of tungsten and carbon atoms. Tungsten Carbide (WC) Nanoparticles, nanodots or nanopowder are black spherical high surface area particles.

  • Molecular weight of Tungsten Carbide - Convert Units

    ›› Tungsten Carbide molecular weight. Molar mass of WC = 195.8507 g/mol. ... The percentage by weight of any atom or group of atoms in a compound can be computed by dividing the total weight of the atom (or group of atoms) in the formula by the formula weight and multiplying by 100.

  • Difference Between Tungsten and Tungsten Carbide Compare ...

    Feb 28, 2012  Tungsten carbide. Tungsten carbide is a compound with the formula WC. This formula shows that tungsten and carbon are in equal amounts, in the compound. Its molar mass is 195.86 gmol −1. Tungsten carbide has a grey-black colored appearance, and it is a solid. This compound has a melting point of 2,870 °C, and it is one of the hardest carbides.

  • Tungsten carbide Project Gutenberg Self-Publishing ...

    Tungsten carbide (chemical formula: WC) is a chemical compound (specifically, a carbide) containing equal parts of tungsten and carbon atoms. In its most basic form, tungsten carbide is a fine gray powder, but it can be pressed and formed into shapes for use in industrial machinery, cutting tools, abrasives, armor-piercing rounds, other tools and instruments, and jewelry.

  • Tungsten carbide - WikiMili, The Free Encyclopedia

    Tungsten carbide (chemical formula: WC) is a chemical compound (specifically, a carbide) containing equal parts of tungsten and carbon atoms. In its most basic form, tungsten carbide is a fine gray powder, but it can be pressed and formed into shapes through a process called sintering for use in industrial machinery , cutting tools , abrasives ...

  • Tungsten Carbide Knowledge Base Nanomaterials

    Properties and Applications. Tungsten carbide (WC) is an inorganic non-natural compound composed of tungsten (W) and carbon (C). Mono-tungsten carbide (WC), which is stable at room temperature, is of major technical relevance.

  • Why Tungsten Carbide is Popular Metal?

    Tungsten carbide is an compound comprising of identical parts of tungsten and carbon atoms. In its most easy shape, carbide can also be a nice gray powder, but it are frequently fashioned and pressed into rings, industrial machinery, gear, and abrasives.

  • Tungsten carbide - WikiMili, The Free Encyclopedia

    Tungsten carbide (chemical formula: WC) is a chemical compound (specifically, a carbide) containing equal parts of tungsten and carbon atoms. In its most basic form, tungsten carbide is a fine gray powder, but it can be pressed and formed into shapes through a process called sintering for use in industrial machinery , cutting tools , abrasives ...

  • Tungsten Carbides - an overview ScienceDirect Topics

    The LWC was prepared by adding 2 wt % free carbon to a tungsten carbide produced by the reduction-carburization of tungsten oxide (WO 3) with pure CO (100 ml/min) at 650 °C. The 10 g of low-grade tungsten carbide was loaded in a 40 mm ID of tubular alumina

  • Simulation study on retention and reflection from tungsten ...

    We have discussed the retention curves for incident energy of 5 keV at incident angles of 0° and 80° and of 500 eV at 0°. The energy spectra of helium atoms reflected from tungsten carbide for incident energy of 500 eV at 0° and 80° were compared with those from graphite and tungsten.

  • Tungsten carbide - hyperleap

    Tungsten carbide (chemical formula: WC) is a chemical compound (specifically, a carbide) containing equal parts of tungsten and carbon atoms. Titanium carbide and tungsten carbide are important industrially and are used to coat metals in cutting tools.

  • Tungsten Carbide Knowledge Base Nanomaterials

    Properties and Applications. Tungsten carbide (WC) is an inorganic non-natural compound composed of tungsten (W) and carbon (C). Mono-tungsten carbide (WC), which is stable at room temperature, is of major technical relevance.

  • Tuning d-band center of tungsten carbide via Mo doping for ...

    Tuning d-band center of tungsten carbide via Mo doping for efficient hydrogen evolution and Zn–H 2 O cell over a wide pH range. ... (001) with Mo atoms replacing the subsurface W atoms, (e) calculated partial DOS of W atom in WC (001) and Mo-WC (001), (f) HER free energy diagrams for WC and Mo-WC. ...

  • Oxygen deficiency assisted synthesis of network-like ...

    3D network-like tungsten carbide-carbon nanotubes composites were in-situ synthesized by using W 18 O 49 as the precursor. The sea urchin like W 18 O 49 with abundant oxygen defects was designed and fabricated to act as not only the source of tungsten, but also the catalyst to initiate the growth of carbon nanotubes. Distinct from carbon nanotubes-supported tungsten carbide, the obtained ...

  • Tungsten Carbide CoorsTek

    Tungsten Carbide (WC) is a tough, high-density ceramic often used in severe service applications. Tungsten carbides are commonly known for use in high-quality tooling inserts. Due to its high-temperature tolerance, stiffness, hardness, and flexural strength allow tungsten carbide is also used in other harsh applications like mechanical seals ...

  • Inhibition Mechanism of Cemented Carbide Grain Inhibitors(一)

    In the cemented carbide liquid sintering,tungsten,carbon atoms gradually dissolved in the liquid phase,at a certain temperature to dissolve - precipitation process to achieve dynamic equilibrium.The solubility of tungsten carbide particles in the liquid phase is closely related to particle size,surface energy and temperature.The larger the difference between the small particles and the large ...

  • 40 Best Tungsten Carbide Rings For Men Women - Awesome ...

    Tungsten carbide is a chemical compound comprising tungsten and carbon atoms in equal ratios. It is usually found in form of a grey powder with fine particles. It is from this basic form that it is then pressed and shaped into desired items, for instance, cutting tools, armor rounds and jewelry.

  • tungsten Uses, Properties, Facts Britannica

    Tungsten, chemical element that is an exceptionally strong metal. Occurrence, properties, and uses. The amount of tungsten in Earth’s crust is estimated to be 1.5 parts per million, or about 1.5 grams per ton of rock. China is the dominant producer of tungsten; in 2016 it produced over 80 percent of total tungsten mined, and it contained nearly two-thirds of the world’s reserves.

  • Tungsten Carbide Thermal Spray Tungsten Spray Coatings

    Tungsten carbide is a chemical carbide containing equal parts of tungsten and carbon atoms. Tungsten Carbide’s hardness level is comparable with corundum and can only be polished and finished with abrasives of superior hardness such as cubic boron nitride and

  • Is Carbide electrically conductive? AnswersDrive

    "Carbide" is short for Tungsten Carbide; it is a chemical compound which contains equal parts of tungsten and carbon atoms. Its basic form is a grey powder, and it can be pressed and formed into unlimited shapes.

  • Tungsten carbide - Brief Profile - ECHA

    Global Tungsten Powders spol. s r.o., Zahradni 46 79201 Bruntal Czech Republic ; H.C. Starck Tungsten GmbH, Landsberger Str. 98 80339 München Germany ; H.C.Starck GmbH (saca015), Im Schleeke 78-91 38642 Goslar Germany ; Hyperion Materials Technologies (France) S.A.S., 625 route de la gare FR-26210 Epinouze France

  • Inhibition Mechanism of Cemented Carbide Grain Inhibitors(一)

    In the cemented carbide liquid sintering,tungsten,carbon atoms gradually dissolved in the liquid phase,at a certain temperature to dissolve - precipitation process to achieve dynamic equilibrium.The solubility of tungsten carbide particles in the liquid phase is closely related to particle size,surface energy and temperature.The larger the difference between the small particles and the large ...

  • Tungsten carbide - hyperleap

    Tungsten carbide (chemical formula: WC) is a chemical compound (specifically, a carbide) containing equal parts of tungsten and carbon atoms. Titanium carbide and tungsten carbide are important industrially and are used to coat metals in cutting tools.

  • Tungsten - Element information, properties and uses ...

    Tungsten carbide is immensely hard and is very important to the metal-working, mining and petroleum industries. It is made by mixing tungsten powder and carbon powder and heating to 2200°C. It makes excellent cutting and drilling tools, including a new ‘painless’ dental drill which spins at ultra-high speeds.

  • Petropedia - What is Tungsten Carbide Bit? - Definition ...

    Tungsten Carbide Bit, also known as a tungsten carbide bit is a cutting tool that is primarily used in drilling applications to crush or cut rocks. Tungsten carbide consists of equal amounts of tungsten and carbon atoms which make it a very hard metal as compared to other metals and is thus, considered as a suitable material for manufacturing ...

  • Tungsten Carbide Tooling – Prime Tooling - buy blades ...

    Tungsten carbide is used in many high-quality knives, blades and cutting tools. Containing equal parts of tungsten and carbon atoms, it is by a process of sintering for use in industrial machinery, cutting tools, abrasives. Tungsten carbide is approximately twice as stiff as steel and double the density.

  • Tungsten carbide - Brief Profile - ECHA

    Global Tungsten Powders spol. s r.o., Zahradni 46 79201 Bruntal Czech Republic ; H.C. Starck Tungsten GmbH, Landsberger Str. 98 80339 München Germany ; H.C.Starck GmbH (saca015), Im Schleeke 78-91 38642 Goslar Germany ; Hyperion Materials Technologies (France) S.A.S., 625 route de la gare FR-26210 Epinouze France

  • Tungsten Carbide Thermal Spray Tungsten Spray Coatings

    Tungsten carbide is a chemical carbide containing equal parts of tungsten and carbon atoms. Tungsten Carbide’s hardness level is comparable with corundum and can only be polished and finished with abrasives of superior hardness such as cubic boron nitride and

  • Mineral Industry Surveys

    TUNGSTEN IN MAY 2020 . U.S. net production of intermediate tungsten products, including metal powder and tungsten carbide powder, was withheld to avoid disclosing company proprietary data. The amount of tungsten contained in U.S. imports of selected materials in January through May

  • Visualizing Formation of Tungsten Carbide Model Catalyst ...

    Construction of model metal carbide surfaces is essential for surface catalysis studies over carbide‐based catalysts. Here, well‐controlled growth of tungsten carbide (WC x) layers on W(110) including carbon‐rich R(15×3)‐C/W(110) and carbon‐poor R(15×12)‐C/W(110) structures has been clearly demonstrated using chemical vapor deposition (CVD) on a clean W(110) surface or carbon ...

  • Are Tungsten Rings Toxic?(Read This before You Buy) - A ...

    Tungsten rings contain tungsten carbide, which is a hypoallergenic metal alloy of equal portions of tungsten and carbon atoms. They usually have a natural gray hue, but can also come in black, gold, or white hues. Products made from tungsten carbide are basically sintered powders, meaning cobalt powder as well as a small amount of other ...

  • Nitrogen-doped tungsten carbide nanoarray as an efficient ...

    show that adsorbed hydrogen atoms bind strongly to WC favoring H+ reduction but hindering hydrogen desorption. It is therefore important to explore materials based on WC with better performance. Tungsten carbide nanorods have been synthesized without template37,38. In 2013, Hashimoto et al. synthesized a Fe-WCN electrocatalyst39. They suggested ...

  • Tungsten Carbide Saw Tip Manufacturing

    Under great heat and pressure the carbon atoms are actually packed inside the tungsten atoms instead of being joined side by side as with ordinary compounds. Interstitial carbides, such as tungsten carbide (WC), form when carbon combines with a metal that has an intermediate electronegativity and a relatively large atomic radius.

  • Activation of Methane by Tungsten Carbide and Nitride ...

    Gas-phase reactions of tungsten carbide and nitride cluster cations, WnCm+ (n = 1–5, m ≤ 5) and WnNm+ (n = 1–6, m ≤ 2), with methane are investigated at near thermal energies. Most of the clusters react readily with CH4 to form WnCm+1H2+ or WnNmCH2+ under single collision conditions, in contrast to the almost no reactivity of the pure tungsten clusters. This result indicates that the ...

  • Tungsten (IV) carbide Formula - Softschools

    Formula and structure: The tungsten carbide chemical formula is WC and its molar mass is 195.85 g mol-1.The molecule is formed by the tungsten IV cation W +4 and the carbon (or carbide) anion C-4.The carbide is a type of chemical compound where the carbon is bounded to a lesser electronegative element such a W, in this case the atoms form a triple bond.