Rhenium | chemical element | Britannica.com

Rhenium (Re), chemical element, a very rare metal of Group 7 (VIIb) of the periodic table and one of the densest elements. Predicted by the Russian chemist Dmitry Ivanovich Mendeleyev (1869) as chemically related to manganese, rhenium was discovered (1925) by the German chemists Ida and Walter

SEMICON West 2019 / ES Design West 2019 - expo.semi.org

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 OEM for many of the world's most reputable and respected MOCVD equipment manufacturers, along with being the specialty filament supplier for the most revolutionary and technology leading LED companies in the world.

Rhenium Alloys - an overview | ScienceDirect Topics

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.

What is Rhenium Used For? | Eagle Alloys Corporation

Additionally, rhenium is used to build many jet engines, and it is also utilized in the filaments that are used in spectrographs. There are even some electrical contact materials that contain rhenium. There are so many uses for rhenium due to its impressive properties. If you are in the market for rhenium, Eagle Alloys can provide you with it ...

Buy Rhenium Online - Pure Metals, Alloys and Polymers

Rhenium has a very high melting point. A rhenium tungsten alloy is used in electrical filaments and to make thermocouples capable of measuring temperatures up to 2200 degrees C. Other applications include use as filaments for mass spectrographs and the use of rhenium …

Rhenium Wire and Ribbon - Filament and Heater Material

Rhenium Wire and Ribbon is used to manufacture filaments for mass spectrometers and ion gauges as well as medical applications. ... Rhenium Wire and Ribbon - Filament and Heater Material. ... (Yttria/Rhenium Alloy) ...

Tungsten-Rhenium - Union City Filament

The addition of 3% rhenium to non-sag tungsten produced a wire that is more ductile, without sacing any non-sag characteristics. Properties of Tungsten-Rhenium Wire. Here at Union City Filament, we use non-sag tungsten that is doped with 3% rhenium for a variety of our products.

Custom Filaments Manufacturer - ABOUT UNION CITY FILAMENT

Established in 1950, Union City Filament has been developing proprietary processes for winding and forming tungsten, molybdenum, rhenium and their alloys into a myriad of designs for nearly 70 years. Our processes make it possible for us to hold the tightest possible tolerances on …

Rhenium - Element information, properties and 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.

Rhenium Alloys: MOCVD Heater Filaments

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 – Rare Metals USA

Rhenium has a high melting point and a low vapor pressure similar to tantalum and tungsten. Therefore, rhenium filaments exhibit a higher stability if the filament is operated not in vacuum, but in oxygen-containing atmosphere. Those filaments are widely used in mass spectrometers, in ion gauges and in photoflash lamps in photography.

Precious Metals & Alloys. Platinum, Palladium, Iridium ...

e- Filaments supplies Precious Metals and Alloys. Iridium, Platinum, Palladium, Rhodium and Gold are available. Thoria or Yttria coated Iridium and Tungsten replacement filament assemblies for nude ionization gauges as well as custom filament assemblies are also available. We also offer rebuilding service for Nude ion gauges, ion sources, and many other vacuum related instruments.

US20100277051A1 - Emission filaments made from a rhenium ...

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 purpose.

WebElements Periodic Table » Rhenium » uses

additive to tungsten and molybdenum-based alloys to impart useful properties; filaments for mass spectrographs and ion gauges; rhenium-molybdenum alloys superconduct at 10K; electrical contact material, as it has good wear resistance and withstands arc corrosion; thermocouples made of Re-W are used for measuring temperatures up to 2200°C

X Ray Anode - rhenium-alloys.com

Straightened Cutted Tungsten Rhenium Wire, W-3Re Pin Tungsten Rhenium Alloy. Customized Size Tungsten Metal X-Ray Tube Stationery Target, Silver White Tungsten Rhenium Alloy. Industrial Rhenium Alloys MOCVD Heating Filaments LED Main Manufacturing Equipment. Rhenium Products. Round Rhenium Products MOCVD Heater Filaments Min 20.5g/Cm3 ...

Rhenium | Refractory Metals and Alloys

* Widely used as filaments in mass spectrographs and in ion gauges. * An additive to tungsten and molybdenum-based alloys to increase ductility in these alloys. * An additive to tungsten in some x-ray sources. * Rhenium catalysts are very resistant to chemical poisoning, and so are used in certain kinds of hydrogenation reactions.

Welcome to Rhenium Alloys, Inc.

Rhenium MOCVD Heater Filaments . Rhenium Alloys produces the highest quality rhenium heater filaments for the MOCVD Industry. We offer a proprietary, patent pending, surface treatment that increases the heat transfer efficiency without adding the contamination risk from steel shot peening and other aggressive mechanical operations.

US6624577B2 - Tungsten-rhenium filament and method for ...

The rhenium content of the filament is between 0.2-0.4% by weight. 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 0.2-0.4% by weight.

Rhenium Alloys, Inc. Cathode Emitters and Filaments Data ...

Rhenium Alloys, Inc. Datasheets for Cathode Emitters and Filaments Cathodes are negatively charged electrodes used in batteries, electrolysis systems, plating, electrowinning, electron emission, and other specialized processes.

Rhenium - Wikipedia

SIS introduces their new Yttria Rhenium alloy filament wire. In these studies we have discovered that by alloying Rhenium with a small concentration of Yttria, the crystal structure of the rhenium material was altered, which resulted in a stronger filament that is much less susceptible to warping

SISAlloy® Yttria/Rhenium Alloy MS Filaments - sisweb.com

SIS introduces their new Yttria Rhenium alloy filament wire. In these studies we have discovered that by alloying Rhenium with a small concentration of Yttria, the crystal structure of the rhenium material was altered, which resulted in a stronger filament that is much less susceptible to warping

Rhenium Filament - Product & Service - ATTL Advanced ...

With good high temperature strength and plasticity, tungsten rhenium and molybdenum rhenium alloy can be processed into plate, sheet, rod, wire, wire or foil. Application Widely used in heating element, thermocouple for temperature measurement, cathode of electron tube and refractory parts for industrial high temperature furnace, etc.

Refractory metals - Wikipedia

It is found in low concentrations with many other metals, in the ores of other refractory metals, platinum or copper ores. It is useful as an alloy to other refractory metals, where it adds ductility and tensile strength. Rhenium alloys are being used in electronic components, gyroscopes and nuclear reactors. Rhenium finds its most important ...

Rhenium for Scientific Instrument Filaments | Properties ...

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 into ingots.

FUTURE RHENIUM CO.LTD - rhenium-alloys.com

Straightened Cutted Tungsten Rhenium Wire, W-3Re Pin Tungsten Rhenium Alloy. Customized Size Tungsten Metal X-Ray Tube Stationery Target, Silver White Tungsten Rhenium Alloy. Industrial Rhenium Alloys MOCVD Heating Filaments LED Main Manufacturing Equipment. Rhenium Products. Round Rhenium Products MOCVD Heater Filaments Min 20.5g/Cm3 ...

Wire Material for Scientific Applications - sisweb.com

(Yttria/Rhenium Alloy) SIS introduces their new Yttria Rhenium alloy filament wire. In these studies we have discovered that by alloying Rhenium with a small concentration of Yttria, the crystal structure of the rhenium material was altered, which resulted in a stronger filament that is …

Quality Tungsten Rhenium Alloy & Rhenium Alloys Manufacturer

Straightened Cutted Tungsten Rhenium Wire, W-3Re Pin Tungsten Rhenium Alloy. Customized Size Tungsten Metal X-Ray Tube Stationery Target, Silver White Tungsten Rhenium Alloy. Industrial Rhenium Alloys MOCVD Heating Filaments LED Main Manufacturing Equipment. Rhenium Products. Round Rhenium Products MOCVD Heater Filaments Min 20.5g/Cm3 ...

US3236699A - Tungsten-rhenium alloys - Google Patents

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).