TD Materials Ltd hydrophobic tungsten coating materials bond with many different types of tungsten at the nano-scale to create hydrophobic easy-clean, water resistant, and anti-smudge coatings. TD Materials Ltd nanoscale hydrophobic tungsten coating creates a hydrophobic (water-repellant) surface to repel water, dust, oil, and dirt on surfaces allowing for easy-clean tungsten. TD Materials Ltd innovative hydrophobic coating technology is extremely easy to apply through many different methods, requiring no costly capitol equipment. A majority of TD Materials Ltd hydrophobic treatments have the added benefit of being oleophobic as well.
99.95% pure. Wire is clean and straightened. All sizes are stocked for immediate delivery. All wire conforms to ASTM F288-96, Type 1A. Uses include medical devices, LEEP and LEED electrodes, corona generation, vacuum heating elements, filaments, and thermionic emitters. Volume discounts are available for purchases of 5 spools or more and for large quantities of self-coiled wire (.020" diameter and above). Thank you for understanding that it is not economically feasible for us to sell package sizes smaller than those listed. As far as we are aware, these package sizes are the smallest commercially available.
For custom orders, other spooling options are available.
High temperature industrial furnaces frequently require tungsten components for their successful operation. Tungsten rod or flat sheet heating elements are used in vacuum and hydrogen furnaces. Tungsten metal is also used for heat shielding and other furnace components and structures.
Quartz glass or quartz material is produced in special high-temperature furnaces due to the high melting temperatures (approx. 2000°C). The heart of such a furnace consists of a melting crucible, which is continually filled with quartz sand and heated to melting temperature. The melting crucibles therefore consist of riveted or pressed / sintered (seamless) tubes made of molybdenum or tungsten or a combination of Mo/W. The quartz glass tubes or rods are removed through an orifice. The heating system consists essentially of tungsten mesh or rod heating elements. To achieve or regulate the desired dimensions, a plug and plug pole made of refractory metals are necessary in addition to the orifice plate.
Tungsten is one of the most uncommon metallic elements used in the manufacturing industry of TIG electrodes. These electrodes are mainly use due to their hardness and high temperature resistance it can give. Likewise, Tungsten has a very high melting point and hence more practical in welding processes.
Good arc stability for AC welding with balanced wave is provide by these electrodes when heated and AC sine wave with good arc stability is produced when pure tungsten is used is welding aluminum and magnesium specifically. Welding performance and arc quality is mainly depends on the type and shape of tungsten that is been used.
The incandescent light bulb, incandescent lamp or incandescent light globe makes light by heating a metal filament wire to a high temperature until it glows. The hot filament is protected from air by a glass bulb that is filled with inert gas or evacuated. In a halogen lamp, a chemical process that returns metal to the filament prevents its evaporation. The light bulb is supplied with electrical current by feed-through terminals or wires embedded in the glass. Most bulbs are used in a socket (a housing giving mechanical support to the bulb, keeping its terminals in contact with the supply current terminals).
Incandescent bulbs are produced in a wide range of sizes, light output, and voltage ratings, from 1.5 volts to about 300 volts. They require no external regulating equipment and have a low manufacturing cost and work equally well on either alternating current or direct current. As a result, the incandescent lamp is widely used in household and commercial lighting, for portable lighting such as table lamps, car headlamps, and flashlights, and for decorative and advertising lighting.
Tungsten lamps specifically for photographic purposes are made to very tight tolerances since most photography or cinematography today is done in color. For photography, tungsten lamps are produced in two types, having very specific "color temperatures:" type B lamps, the most common, have a color temperature of 3200 degrees Kelvin (3200°K); type A lamps had a color temperature of 3400°K and were matched to Kodachrome Type A (ASA/ISO 40). This material is now discontinued and so far as I know there are no other Type A still stocks on the market.
Computer simulation is a convenient and frequently used tool in the study of x-ray mammography, for the design of novel detector systems, the evaluation of dose deposition, x-ray technique optimization, and other applications. An important component in the simulation process is the accurate computer-generation of x-ray spectra. A computer model for the generation of x-ray spectra in the mammographic energy range from 18 kV to 40 kV has been developed. The proposed model requires no assumptions concerning the physics of x-ray production in an x-ray tube, but rather makes use of x-ray spectra recently measured experimentally in the laboratories of the Center for Devices and Radiological Health. Using x-ray spectra measured for molybdenum, rhodium, and tungsten anode x-ray tubes at 13 different kV's (18, 20, 22, ..., 42 kV), a spectral model using interpolating polynomials was developed. At each energy in the spectrum, the x-ray photon fluence was fit using 2, 3, or 4 term (depending on the energy) polynomials as a function of the applied tube voltage (kV). Using the polynomial fit coefficients determined at each 0.5 keV interval in the x-ray spectrum, accurate x-ray spectra can be generated for any arbitrary kV between 18 and 40 kV. Each anode material (Mo, Rh, W) uses a different set of polynomial coefficients. The molybdenum anode spectral model using interpolating polynomials is given the acronym MASMIP, and the rhodium and tungsten spectral models are called RASMIP and TASMIP, respectively.
W-base high density tungsten alloy (W-Ni-Fe series, W-Ni-Cu series)
High density, good Ultimate Tensile Strength, low thermal expansively and good heat conductivity, electrical conductivity.
The finished Molybdenum crucible is made by rolled high temperature Mo plate with the excellent characters of strength and high temperature resistance. It's orderly and tidily profiled and well welded in order to ensure the boat having a best lifetime under the condition of high temperature and stress. TD Materials Tld. can supply the mobdenum crucible, which can fully meet the requirement in industries of high-density alloy and precise ceramics.
Established in 1997, Lippo International Inc, North Ameican and Europian Sales Office for TD Materials Ltd, is responsible to to maintain clients requests and material.
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Cemented & Tungsten Carbide
Carbide is one of the most successful composite engineering materials ever produced. Its unique combination of strength, hardness and toughness satisfies the most demanding applications. Cemented carbide, also called tungsten carbide, hardmetal, or widia, is a hard material used in machining tough materials such as carbon steel or stainless steel, as well as in situations where other tools would wear away, such as high-quantity production runs. Most of the time, carbide will leave a better finish on the part, and allow faster machining
Molybdenum
Mo-Pure, Mo, Mo-UHP, TZM, MHC, Mo-Lanthanoxid (ML), Lanthanated Mo (ML), ML, MRL, MLS, MoILLQ, Mo-Yttriumoxid (MY), Yttriated Mo (MY), MoRe, Mo5Re, Mo41Re, MoW, MW70, MW50 and R750
Tungsten
W-Pure, WVM, WVMW, S-WVMW, WVMT10, WVMWT, WC, WC20, WL15, WT20, WVMT10, WVMWT, WRe, W5Re, W26Re, WCu, Tungsten Heavy Metall Alloys (High Denisity), Densimet and Inermel
