Rhenium and Rhenium Alloys Supplier Worldwide
Rhenium can also be highly effective in the treatment of liver tumors. H. Cross Company can supply your rhenium needs in two grades, the standard 99.98% minimum purity and for spectrographic filaments or applications requiring the highest purity a 99.999% zone refined rhenium. We can supply wire, rod, sheet, foil, strip or ribbon in the ...Web
اقرأ أكثرCustom Rhenium Powder
Rhenium and Rhenium Alloy applications include electronic products, thermocouples, high temperature furnace parts, welding, wire mesh grids, aerospace, filaments for mass spectrographs and ion gauges, Rhenium-molybdenum alloys become super-conducting at 10K, Electrical contact material, as it has good wear resistance and withstands arc ...Web
اقرأ أكثرNote 96: Reducing Warping in Mass Spectrometer Filaments, …
Straight Wire CI Filaments. Straight wire filaments were constructed from 0.0055" diameter pure Rhenium, Yttria/Rhenium alloy and 3%Rhemium/97% Tungsten. Filaments were tested in a mass spectrometer under CI conditions using Methane as the gas and helium as the GC carrier gas. Themass spectrometer utilized a high frequency AC filament power ...Web
اقرأ أكثرRhenium Alloys as Ductile Substrates for Diamond Thin-Film …
Molybdenum-rhenium (Mo/Re) and tungsten-rhenium (W/Re) alloys were investigated as substrates for thin-film, polycrystalline boron-doped diamond electrodes. ... The capillaries were positioned perpendicular to the hot filaments, with the hook tips 11-14 mm away. The filaments were held at 1965±5°C for 30 min as a nucleation stage and …Web
اقرأ أكثرRoskill: Stability Returns to the Rhenium Market
7.3.1.2 Use of rhenium alloys in other filament applications 96. 7.3.1.3 Use of rhenium alloys in heater elements 97. 7.3.1.4 Use of rhenium alloys in X-ray tubes and targets 98. 7.3.1.5 Use of ...Web
اقرأ أكثرRefractory Metals: Niobium, Molybdenum and Rhenium
One of the largest applications for rhenium is for mass spectrometer filaments, where it is available in commercial (99.99%) and zone-refined (99.995%) purities. ... Rhenium Alloys. Rhenium is a beneficial alloying addition with other refractory metals. Rhenium greatly enhances the ductility and tensile strength of refractory metals and their ...Web
اقرأ أكثرRod and Wire
Rhenium Alloys is a major supplier of Tungsten Filaments to the vacuum metalizing and evaporation industries. They are engineered to provide reliable thin film coatings on automotive lamp reflectors, ... The extreme high quality of our Tungsten Filaments provides excellent uniform thermal conductivity, ensuring reliable performance and long ...Web
اقرأ أكثرRhenium
Rhenium is used in superalloys, such as CMSX-4 (2nd generation) and CMSX-10 (3rd generation). These superalloys are used in industrial gas turbine engines like the GE 7FA. Rhenium filaments are used in mass spectrometers, ion gauges and photoflash lamps in photography. Rhenium-platinum alloys are used as a catalyst for catalytic reforming.Web
اقرأ أكثرRhenium Metal-Alloy Supplier | Eagle Alloys Corporation
Applications for the metal include its use as an alloying element with tungsten, the resulting alloy having a very high electrical resistance making it suitable for electrical filaments. Rhenium has a very high melting point (3,180°C) and is used in high temperature thermocouples, electrical contacts and thermistors.Web
اقرأ أكثرMethods for improving ductility of tungsten
The most studied tungsten-rhenium alloys have either relatively low rhenium content (3–10 wt%) for optimum combinations of strength and ductility, or concentrations nearing the solubility limit (25–27 wt%) to maximize ductility. ... has been used in the range of 100-160 μg/g in creep-resistant alloys for incandescent light bulb filaments ...Web
اقرأ أكثرDevelopment of an electron impact ion source with high ionization
Previous space-borne mass spectrometers were primarily designed with the EI method using rhenium tungsten alloy filaments, enabling up to 100–200 μA emission in typical cases. The emission level is desired to be enhanced because the sensitivity of mass spectrometers is a critical requirement for the future in situ mass spectrometry related ...Web
اقرأ أكثرRod and Wire
Rhenium Alloys is a major supplier of Tungsten Filaments to the vacuum metalizing and evaporation industries. They are engineered to provide reliable thin film coatings on …Web
اقرأ أكثرRhenium Alloys: Halogen Lamps and Infrared (IR) …
Rhenium Alloys is a major supplier of Metalizing Filaments to the vacuum metalizing and evaporation industries. They are engineered to provide reliable thin film coatings on automotive lamp reflectors, and …Web
اقرأ أكثرRhenium and Rhenium Alloys Supplier Worldwide
The optimum sequence of these operations varies for rhenium ad it alloys and depends on the final end form. Applications. Additive to tungsten and molybdenum-based alloys to increase ductility at higher temperatures; …Web
اقرأ أكثرMethod of manufacturing rhenium alloy emission filaments
A new Rhenium alloy usable for improving the performance of emission filaments used in mass spectrometers or other similar scientific instruments, which is made by adding low level concentrations of Yttrium Oxide to Rhenium of less than 10%. This new alloy has demonstrated superior performance characteristics compared to pure Rhenium for this …Web
اقرأ أكثرNiobium and Other High Temperature Refractory Metals for
Other rhenium alloys (with tungsten or molybdenum) are used for filaments, grid heaters, cathode cups, and igniter wires in photoflash bulbs. Rhenium has been used as a heat exchanger material for a solar rocket, nozzles for rocket thrusters, and in high temperature thermocouples.Web
اقرأ أكثرRhenium Alloys
Tungsten-rhenium alloys, applied by vapor deposition, are used to coat the surface of molybdenum targets in X-ray tube manufacture. Other rhenium alloys, with tungsten and molybdenum, are used for filaments, grid heaters, cathode cups, and ignitor wires in photoflash bulbs. One of the largest applications for rhenium is for mass spectrometer ...Web
اقرأ أكثرRhenium
Rhenium has high melting point of 3180°C next to tungsten. The ductility of rhenium can be maintained even after recrystallization. It is best-suited for filaments due to its high electrical resistivity and low vapor pressure. Rhenium can be added to other refractory metals as it improves the ductility and tensile strength of the alloys.Web
اقرأ أكثرRhenium Alloys: Pure Tungsten wire and rod
Rhenium Alloys supplies pure Tungsten, and Tungsten alloys – Tungsten-Copper and Tungsten-Rhenium. Tungsten is commonly used in filaments, electric bulbs, electric …Web
اقرأ أكثرRhenium Alloys
Tungsten-rhenium alloys, applied by vapor deposition, are used to coat the surface of molybdenum targets in X-ray tube manufacture. Other rhenium alloys, with tungsten …Web
اقرأ أكثرRhenium Definition, Facts, Symbol, Discovery, Properties, Uses
A rare earth metal, rhenium (pronounced as REE-nee-em) belongs to the family of transition metals denoted by the chemical symbol Re [1]. It has 33 isotopes with known half-lives, their mass numbers ranging from 160 to 192. Naturally occurring rhenium is a mixture of a stable isotope, Rhenium-185 and a radioactive isotope, Rhenium-187 [2, 9].Web
اقرأ أكثرRhenium
Other rhenium alloys, with tungsten and molybdenum, are used for filaments, grid heaters, cathode cups and ignitor wires in photoflash bulbs. One of the largest applications for rhenium is for mass spectrometer filaments. These are available in commercial (99.99%) and zone-refined (99.95%) purities. View chapter Explore book.Web
اقرأ أكثرRhenium Alloys: Tungsten-Rhenium alloys, wire, flat wire, and rod
Our Rhenium Wire is 99.99% pure and has high strength and excellent ductility. Molybdenum-47.5%-Rhenium Wire is used in welding, electronics and wire mesh grids for the space industries. Tungsten Wire, with its very high tensile strength even at a very small diameter, is widely used for thermocouples, electronic devices, and lighting.Web
اقرأ أكثرUS3236699A
The amount of rhenium in the tungsten based alloy filament effective for attaining the advantages of the invention does not exceed about 7% by weight of the alloy and may be as low as about 0.1% by weight or lower (all percentages given in this specification are by weight unless indicated to be otherwise). The lower limit of rhenium content in ...Web
اقرأ أكثرRHENIUM |
Rhenium is used as an additive to tungsten and molybdenum-based alloys to impart useful properties. It is widely used for filaments for mass spectrographs and ion gages. Rhenium-molybdenum alloys are superconductive at 10 K. Rhenium is also used as an electrical contact material as it has good wear resistance and withstands arc …Web
اقرأ أكثرRhenium – the hot superalloy element
Rhenium's high melting point and stability outside of a vacuum also makes it a great ingredient for filaments used in open air. Camera flashes and mass spectrometers are among the common uses of rhenium filaments. ... New lower rhenium content alloys have pushed the price of this critical metal down to around US$1,750/kg during the first …Web
اقرأ أكثرRhenium – Union City Filament Corp.
About Pure Rhenium. Pure rhenium is an important material for many scientific instrument filaments, as well as other electron and ion source filaments. Most rhenium naturally occurs in porphyry copper deposits. Hydrogen reduction is used to convert ammonium perrhenate to pure rhenium powder. The pure rhenium powder is pressed and sintered …Web
اقرأ أكثرSISAlloy® (Yttria/Rhenium Alloy) MS Filaments
The two examples below demonstrate the comparison of pure Rhenium to the new SISAlloy® (Y/Re alloy) filaments. By reducing warping and sagging the life of the filaments is improved. Electron microscopy studies demonstrated that the yttria oxide particles intermixed with the rhenium particles which minimized the grain growth in the alloy …Web
اقرأ أكثرRhenium MOCVD Heater Filaments
Yesterday's Pioneer, Today's Leader. rhenium TF: 888-RHENIUM (888-743-6486) PH: 440-365-7388 FX: 888-366-9830 Rhenium MOCVD Heater Filaments For nearly 20 years Rhenium Alloys has been the leader in production of the highest quality rhenium heater filaments for the MOCVD Industry. Rhenium Alloys has been the OEMWeb
اقرأ أكثرApplied Sciences | Free Full-Text | A Porous Tungsten Substrate …
Selective dissolution of a tungsten (85 wt.%)–rhenium (15 wt.%) alloy with rhenium in hydrochloric acid at the temperature of 298 K and anodic polarization modes was carried out to develop a porous catalytic substrate and to recycle rare metals. The parameters of the effective selective anodic dissolution of the tungsten–rhenium alloy, …Web
اقرأ أكثر