In this article, we will introduce 4 types of rhenium alloys that are widely used in aerospace, electronics, petrochemical, and other fields. Rhenium Alloys. 1. Platinum-rhenium Alloy. Platinum-rhenium alloy is a binary …

Rhenium Alloys produces Rhenium Heater Filaments for today's most reputable systems, and continues to manufacture rhenium filaments for legacy systems including the D125, D180 and D300 units. OEM and customer specific versions are also being produced daily. Rhenium Alloys can produce rhenium filaments to any customer's design specifications ...

 · Oxo-rhenium crystallite growth is suppressed by two methods: filament carburization and/or the storage of filaments under dry conditions. Earlier identification of crystallites as Re 2 O 7 (H 2 O) 2 is consistent with the observed absence of growth under dry conditions and accelerated growth under humid conditions.

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 …

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 …

Rhenium is used in platinum-rhenium catalysts which in turn are primarily used in making lead-free, high-octane gasoline and in high-temperature superalloys that are used to make jet engine parts. Other uses: * Widely …

Find Rhenium Alloys, Inc. Cathode Emitters and Filaments Data Sheets on GlobalSpec. Home. Products & Services. Engineering News. Standards. Webinars. Newsletters. Products & Services. All; ... Only Rhenium Alloys delivers ultra-pure grades of Rhenium Ribbon, both commercial and zone refined. Their commercial grade Rhenium Ribbon is …

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.

Your position: Product & Service > Rhenium and Alloys > Rhenium > Rhenium Filament. Material Property. − High density,theoretical density is 21.02g/cm3 ... Rhenium and its alloys have different application in the …

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 …

The number of electrons in each of rhenium's shells is 2, 8, 18, 32, 13, 2 and its electron configuration is [Xe] 4f 14 5d 5 6s 2. The rhenium atom has a radius of 137 pm and a Van der Waals radius of 217 pm. Rhenium was discovered and first isolated by Masataka Ogawa in 1908. In its elemental form, rhenium has a silvery-white appearance.

In comparison, the pure rhenium filaments exhibited larger and longer grain sizes. This smaller grain size in the alloy filament appears to strengthen the filament wire to provide a more stable filament that displays less sag or …

 · Rhenium is not only one of the major transmutation elements of W but it also has positive effects; e.g., it increases the recrystallization temperature, decreases the ductile–brittle transition temperature (DBTT), and suppresses the formation of irradiation-induced defect clusters,,, .Thus, pure W and W–3, 5, 10, and 26%Re alloys were …

 · Eagle Alloys Corporation can supply rod in 99.99%Re, W-Re 3%, Mo-Re41%, Mo-Re44.5%, Mo-Re47.5%, W-Re5%, W-Re25%, and W-Re26%. Rhenium and Rhenium Alloy applications include electronic products, thermocouples, high temperature furnace parts, welding, wire mesh grids, aerospace, filaments for mass spectrographs and ion …

 · The filaments were held at 1965 ... The molybdenum–rhenium alloy maintained a high level of ductility necessary for applications such as implantable wire-based devices. Acknowledgments. The authors wish to thank Todd Leonhardt and Rhenium Alloy Inc. for rhenium alloy samples. We also gratefully acknowledge Professor John Lewandowski …

US3236699A US285173A US28517363A US3236699A US 3236699 A US3236699 A US 3236699A US 285173 A US285173 A US 285173A US 28517363 A US28517363 A US 28517363A US 3236699 A US3236699 A US 3236699A Authority US United States Prior art keywords tungsten rhenium sag alloy wire Prior art date Legal status (The …

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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 …

Tungsten rhenium alloy contains varying amount of rhenium, ranging from 3 to 26% of rhenium. W–Re alloys are generally used as high-temperature thermocouple; moreover, …

Founded in 1966 in Elyria, Ohio (near Cleveland), Rhenium Alloys, Inc. began business with a single product line: the highest quality fine gage rhenium wire available in the marketplace. Since then, R

Rhenium also has one of the highest modulus of elasticity among all metals, second to only iridium and osmium. As the temperature increases from room temperature to 725 ° C, rhenium's modulus only decreases about 20%. This property allows for filaments made with pure rhenium to have excellent mechanical stability and rigidity.

 · MOCVD Heater Filaments. Our Testing and Engineering Services Laboratory Capabilities SEM / VP-SEM / BSE / EDS / XRF Furnaces and Temperature Ranges. Quality Assurance ... Fill out and …

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 …

A method for manufacturing a rhenium-tungsten filament is also disclosed. The method comprises the following steps. An AKS doped tungsten-rhenium alloy powder is prepared with a rhenium content of 0.05-0.19% by weight, and a potassium content between 80-110 ppm. The alloy powder is pressed and presintered, and thereafter sintered with direct ...

 · Eagle Alloys Corporation (EAC) is a leading global supplier of commercially pure Rhenium (Re), Molybdenum-Rhenium Alloys (Mo-Re), and Tungsten-Rhenium Alloys (W-Re) in foil, ribbon, strip, sheet, plate, wire, rod, bar, powder, pellets, blanks, pipe, tubing, electrodes, as well as semi-finished and finished parts, custom sizes, and custom grades ...

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 corrosion; Thermocouples …

Pure Rhenium Wire Filament Design. If you're in need of filament design, whether it be for mass spectrometers or other scientific instruments and electron and ion sources, you can …

 · The present invention relates generally to alloys of tungsten and rhenium and especially to tungsten-rhenium alloys for use as heating or incandescible filaments in elec trical devices and to filaments or wires made from such alloys. Tungsten filament wire is customarily twisted, bent, coiled, formed or rolled into many different shapes, sizes

At operating temperatures of 1,000 to 1,300 degrees Celsius, tungsten-rhenium wire provides up to 70% higher hot strength. In addition, the higher electrical resistivity allows for a 10% increase in wire diameter, which improves filament strength and ductility after annealing. By using this material, lamp designers have extended life and ...

This metal is obtained mainly from molybdenum ores, especially molybdenum. If these ores are roasted in the course of the molybdenum recovery, rhenium accumulates as a volatile oxide in the airborne dust. Areas of application. for the production of thermocouples, heating filaments and filaments in lamps and x-ray tubes

An AKS doped tungsten-rhenium alloy powder is prepared (31) with a rhenium content of 0,05-0,19 % by weight, and a potassium content between 80-110 ppm. The alloy powder is pressed and presintered (32), and thereafter sintered (33) with direct current. A rhenium-tungsten filament is formed (34) which has a metastable crystal structure.

 · 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 …

 · Rhenium MOCVD Heater Filaments . Rhenium Alloys produces the highest quality rhenium heater filaments for the MOCVD Industry. We offer a proprietary, patent …

Uses. Rhenium is used as an additive to tungsten- and molybdenum-based alloys to give useful properties. These alloys are used for oven filaments and x-ray machines. It is also used as an electrical contact material as it resists wear and withstands arc corrosion.