Shanghai Metal Corporation is a leading t ungsten rhenium rod manufacturer and supplier.. The tungsten-rhenium alloy is a solid solution-strengthened alloy composed of a tungsten element and a cerium element.The cerium content (mass fraction, %) commonly used in alloys is 3, 5, 10, 25 and 26.

Rhenium Alloys is a leading supplier and researcher of rhenium, molybdenum, tungsten, and their alloys (molybdenum-rhenium, tungsten-rhenium, tungsten-copper). Located and made in the USA. Learn more about Rhenium Alloys Request Quote Careers – Download Application TF: 888-RHENIUM PH: 440-365-7388 FX: 888-366-9830 ...

The combustion temperature was measured with a tungsten-rhenium thermocouple, the hot junction of which was placed into the pellet bore. The thermocouple cold ends were connected to an oscilloscope. ... Hexagonal molybdenum disulfide MoS 2 is a much used solid lubricant, whereas tungsten disulfide WS 2 is frequently used as an antifriction ...

I had to EDM some pure tungsten and tungsten/rhenium alloys some years back. It's been the only time I've said "I can't do it" after pissing away about 2 days. I guess like Street said, probably depends on the alloy. 10-13-2009, 03:51 PM #4. g-coder05. View Profile View Forum Posts Visit Homepage Titanium Join Date Mar 2006 ...

tungsten salts are used in the chemical and tanning industries tungsten disulphide is a dry, high-temperature lubricant, stable to 500°C tungsten bronzes and other tungsten compounds are used in paints TV tubes (electron tubes) X-ray targets

3. The Uses Of Tungsten in the Field of Chemical. Tungsten compounds are commonly used as catalysts and inorganic colors. For example, tungsten disulfide is used as a lubricant and catalyst in the preparation of synthetic gasoline, bronze-colored tungsten oxide is used in painting, and calcium or magnesium tungsten is commonly used in phosphors.

The Failure Analysis of Tungsten Rhenium Thermocouple Hao Yang, De-mao Chen, Qi Liu, Xue-ju n Xin, Xiao-liang Yang, Zhou Yu Chongqing Instrument Materials Research Institute Chongqing 400700 Email:[email protected] Abstract: This paper discusses the possible chemical reactions and its condition of Tungsten Rhenium

Tungsten carbide (WC) is an extremely hard tungsten compound. It is used in the tips of drill bits, high speed cutting tools and in mining machinery. Tungsten disulfide (WS 2 ) is a dry lubricant that can be used to temperatures as high as 500°C.

Made-in-China.com is a B2B platform for global buyers to source Chinese Tungsten Rhenium products and Chinese Tungsten Rhenium manufacturers. You can send your questions like minimum quantity to our suppliers by clicking the red button "Contact Now". Many of our suppliers' products are flexible and sometimes only 1 is needed.

The first group, including chromium, cobalt, molybdenum, tungsten and rhenium, induces solid-solutioning hardening, and the second group, including aluminium, titanium, and tantalum, is used for precipitation hardening by relatively uniform precipitation of the ordered γ ′ phase (Ni 3 (Al, Ta, Ti)) in the FCC γ phase matrix from a ...

Rhenium Alloys, Inc. is a leading manufacturer of refractory metals and high temperature products, Made in USA in Cleveland, Ohio. Best source for Rhenium, Molybdenum, Tungsten, and alloys Molybdenum-Rhenium, Tungsten-Copper, Tungsten-Rhenium.

Tungsten vs Rhenium. Compare tungsten with another element. Compare rhenium with another element. Tugsten and Rhenium – About Elements. Tungsten. Tungsten is a rare metal found naturally on Earth almost exclusively in chemical compounds. Tungsten is an intrinsically brittle and hard material, making it difficult to work.

1．Property and Application. Aluminum nitride ceramic is an ideal dissipation and packaging material for large-scale integrated circuits, semiconductor module circuit and high power device of new generation.

US5372661A US08/087,947 US8794793A US5372661A US 5372661 A US5372661 A US 5372661A US 8794793 A US8794793 A US 8794793A US 5372661 A US5372661 A US 5372661A Authority US United States Prior art keywords alloy molybdenum tungsten rhenium ppm Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.

Rhenium Alloys, Inc. is an industrial supplier of additives, aerosol lubricants, anti-seize technology, bearing grease, bearing lubricant, bearings and, cable …

Tungsten is a metal element with the element symbol W. It has high hardness, high melting point, and is not corroded by air at room temperature; it is mainly used to manufacture filaments, high-speed cutting alloy steels, super-hard molds, and also used in optical instruments and chemical instruments. China is the world's largest tungsten storage country.

The solubility of niobium in rhenium is about 4% at 2720 and less than 2% at 2100 deg C. ln rhenium- niobium alloys, the chi phase is a stable phase at high temperatures, while in the rhenium -tungsten and rhenium -molybdenum systems chi is stable at low temperatares. (auth) « less. The phase diagram of the unanium-- rhenium alloy system is ...

Tungsten Heavy Alloy materials are relatively easy to machine and have similar engineering properties to steel. These alloys can be bored, cut, drilled, ground, joined, milled, plated, sawed, tapped, turned, waterjet cut, both wire and sinker EDM can also be performed.

Tungsten Rhenium is one of numerous metal alloys sold by American Elements under the trade name AE Alloys™. Generally immediately available in most volumes, AE Alloys™ are available as bar, Ingot, ribbon, wire, shot, sheet, and foil. Ultra high purity and high purity forms also include metal powder, submicron powder and nanoscale, targets ...

Three approximately 87 wt. % molybdenum-13% rhenium alloy and three 77 wt. % molybdenum-13% rhenium-10% tungsten alloy electrodes, weighing about 13 to 14 kg each, were prepared by blending -325 mesh molybdenum, 2-6 micron tungsten and -325 mesh rhenium powders with 100, 300 and 400 ppm of -200 mesh carbon powder (deoxidant), respectively.

These products are 3% Rhenium Tungsten, 5% Rhenium Tungsten and 25% Rhenium Tungsten. ... Surface Finishes. A colloidal graphite lubricant, which imparts a black coating to "as drawn" tungsten wire, is used to protect the wire from oxidation and to lubricate the wire as it passes through the die. Many applications require tungsten wire with ...

Density of Tungsten-Rhenium Alloy. Typical densities of various substances are at atmospheric pressure. Density is defined as the mass per unit volume.It is an intensive property, which is mathematically defined as mass divided by volume: ρ = m/V In words, the density (ρ) of a substance is the total mass (m) of that substance divided by the total volume (V) occupied by that substance.

Additively manufactured tungsten-rhenium alloys have been compared with pure tungsten in terms of their volumetric density, cracking behavior, microstructure, and hardness. The compositions W-5 wt.%Re and W-25 wt.%Re were explored. Increasing the rhenium content led to an increasing percentage of the theoretical density, with a maximum of 97.6% achieved with 25 wt.% Re. …

About 3% Rhenium/97% Tungsten Wire The development of 3% rhenium/97% tungsten wire is a result of a continuous research effort that has been conducted since the early 1900's. One of the first accomplishments of this research was a non-sag grade of tungsten wire, which used grain growth controlling additives to modify the recrystallized structure. The tungsten-rhenium […]

Tungsten-rhenium alloy, W75Re25. undefined. Synonyms: . CAS null. Molecular Weight null. Browse Tungsten-rhenium alloy, W75Re25 and related products at MilliporeSigma.

3. Tungsten Carbide (83% Tungsten Carbide 17% Cobalt) A hard dense thermal spray coating (high velocity oxygen fuel process with cobalt binder). Recom-mended for severe fretting, sliding and abrasive conditions (bearing applications). Ideal for petro-leum applications but not recommended for acidic environments. Non-Metals Elastomers/Sealants 1 ...

Tungsten Disulphide, also known as WS2, is a synthetic powder with chemical formula WS2. The microstructure of WS2 Dry Film Lubricant crystals is a layered hollow sphere with hexagonal crystal clusters, lamellar lattice structure, whose layers are bound by weak Van der Walls forces. This weak binding force is easily shared between the layers ...

Tungsten is one of the so-called refractory metals, along with molybdenum, niobium, rhenium, and tantalum. These materials are known primarily for their high melting points. In fact, tungsten has the highest melting point of all known metals, at 6192°F (3422°C), along with a number of other very useful characteristics, including:

Rhenium was also recovered efficiently and selectively from rhenium–tungsten solutions (initial concentration 10.4 mM for each metal): when the pH ranged from 7.0 to 12.0 and the irradiation time was 6 h, the rhenium recovery was 90–95% and the …

Product Information Tungsten Rhenium Thermocouple Wire Type C: Tungsten 5% Rhenium versus Tungsten 26% Rhenium wire Type D*: Tungsten 3% Rhenium versus Tungsten 25% Rhenium wire Type G*: Pure Tungsten versus Tungsten 26% Rhenium wire * "Type D" and "Type G" are commonly used industry terms and not ASTM letter designated thermocouples. Concept Alloys takes care

Type D: Tungsten 3% Rhenium (+) vs. Tungsten 25% Rhenium (-) In order to guarantee the limits of error, OMEGA sells Tungsten-Rhenium thermocouple wire only in matched pairs by the double foot. Because of the inherent brittleness of unalloyed Tungsten, Rhenium has been added to the positive leg of types C and D to improve handling characteristics.

A molybdenum, rhenium, and tungsten alloy having an improved erosion, ductility, strength and a higher recrystallization temperature. The alloy may be fabricated into equipment which is useful for manufacturing chemicals such as a hydrochlorofluorocarbon.

Tungsten Disulfide (WS2) is a low friction dry lubricant coating that improves performance and service life better than other dry lubricants by reducing friction & noise, improving mold release, and solving problems of excessive wear, seizing, galling and fretting.

Tungsten-rhenium Alloy. The tungsten-rhenium alloy is a solid solution strengthened alloy based on tungsten and added with rhenium. The rhenium content (mass fraction,%) in tungsten-rhenium alloys is usually 3, 5, 10, 25, and 26. Tungsten-rhenium alloy is divided into low-content W-Re alloy (Re≤5%) and high-content W-Re alloy (Re≥15%). The ...