high elongations at 3630° F (2000° C) for tungsten alloys containing 20- to 30-atomic percent rhenium is reflected in the tensile strengths, which exhibit a distinct minimum in the vicinity of 28-atomic-percent rhenium (fig. 3). To determine the effects of annealing temperature on the tensile properties, speci mens were annealed at 3090° F ...

The tungsten-rhenium alloys are, of course, the most well-known tungsten alloy system enhancing ductility [23, 40, 41]. Most reported research on tungsten-rhenium alloys shows the combined effects of rhenium alloying and thermomechanical processing [40, 41, 48, 50]. The effect of thermomechanical processing will be examined in more detail in ...

costly, tungsten-rhenium alloys. Pugh et al. (ref. 5) have demonstrated that this is the case with fine wire of doped tungsten made by powder metallurgy techniques. In a pre-vious study (ref. 6), room-temperature bend ductility in worked sheet fabricated from electron-beam-melted tungsten alloys with 2 and 6 percent rhenium was observed.

Rhenium Alloys provides a wide range of wire products to serve applications in major electronics products, thermocouples, high temperature furnace parts, and welding requirements. Tungsten Wire, a precision wire, with its very high tensile strength even at a very small diameter, and good electrical conductivity is widely used for thermocouples ...

W-25 Re Tungsten Rhenium Alloy, Annealed. Uses include thermocouples. Annealed applies only to tensile; other property values are typical of this alloy. Ductile to brittle transition temperature (DBBT) (-100) - (25) °C. Stress relieving temperature 1200-1400°C.

Tungsten‐rhenium thermocouple systems were evaluated for use in measuring temperatures between 1600 and 3000°C. Temperature‐millivolt relationships were ex ... "Tungsten‐Rhenium Alloy Thermocouples and Their Use in a UO 2 ‐Fueled Reactor," ANL‐6981 (November 1965). 17. L. Fisher, J. Pendleton, J. O. Pounder, and . A. B.

Tungsten–rhenium thermocouples are ideal alternatives to platinum–rhodium thermocouples for high-temperature measurement. This is attributed to the high thermal electromotive force, high melting point, rapid response, and cost efficiency of tungsten–rhenium thermocouples [1–3].ASTM International standardized a W–5% …

Our discovery of the solution softening-to-hardening transition, including its dislocation mechanism, clarifies the intrinsic effect of Re on the toughness of …

Tungsten – rhenium alloys outclasses other tungsten-based materials in terms of increased ductility. We study the reason for this positive effect by investigating the influence of rhenium on the fracture process of tungsten – rhenium alloys at different temperatures (between room temperature and 900 °C).

Concept Alloys, Inc. Technical Data Sheet 11234 Lemen Road, Whitmore Lake, MI 48189 Phone: 734-449-9680 FAX: 734-449-9683 Website: Tungsten Rhenium Alloys Tungsten-rhenium alloy combinations can be used over a wide temperature range that extends from –320°F to over 5200°F.

Abstract. Tungsten rhenium wire is used for heating elements in high-temperature furnaces and thermocouples and in electronics. Its advantage is its ability to maintain greater ductility than tungsten maintains, after exposure to extremely high temperatures. This datasheet provides information on composition, physical properties, …

Tungsten - rhenium alloys with a melting point of 3050°C and a recrytallization temperature near 1900°C are being used in aerospace, temperature measuring and friction stir welding applications. The mechanical properties of the tungsten 25% rhenium and tungsten 24.5% rhenium with 2% hafnium carbide at room temperature, 1371°C and …

Melting point of Tungsten-Rhenium Alloy is 3027 °C. Note that, these points are associated with the standard atmospheric pressure. In general, melting is a phase change of a substance from the solid to the liquid phase. The melting point of a substance is the temperature at which this phase change occurs.

They observed that an arc-melted tungsten–rhenium alloy can achieve an 11% reduction in thickness by cold rolling. In contrast, the CPW sample they trialed cracked at the beginning of the rolling process. Mutoh et al. compared the fracture toughness of tungsten specimens containing 0, 5, and 10 wt% of rhenium. Aside from a reduction in the ...

Description. Tungsten Alloys provides a wide range of Wire products to serve applications in major electronics products, thermocouples, high temperature furnace parts, and welding requirements. Our Rhenium Wire is 99.99% pure and has high strength and excellent ductility. Molybdenum-47.5%-Rhe nium Wire is used in welding, electronics and wire ...

Tungsten (W) is considered as a promising plasma facing material due to its good thermal conductivity, high melting point and good radiation resistance [1].It also has low sputtering yield and low tritium retention under the high-flux plasma conditions [2], [3], [4].By utilizing laser powder bed fusion (LPBF) technology, it is possible to manufacture …

Introduction of rhenium into tungsten increased the recrystallization temperature, tensile strength, and plasticity of the system. Wires of a tungsten alloy containing 20 wt.% rhenium had a tensile strength of 160 to 190 kg/mm/sup 2/ and an elongation of 18 to 20% after annealing. The specific resistivity also increaesd considerably.

swelling of alloys under neutron and self-ion irradiation [ 6–8]. Third, alloying tungsten with rhenium is currently the only proven method to improve the ductility of unirradiated tung-sten [9, 10], although there are computational results suggest-ing that some other d-metals such as Zr, Fe and Ni, may also act the same way [10– 14].

Tungsten alloy with addition of rhenium and tantalum was prepared by laser sintering. Microstructure and properties of the samples were tested by optical microscope, X-ray difractometer and ...

Sintering tungsten-rhenium (W-Re) alloys becomes difficult with increasing Re content, which is revealed by the final-stage bifurcation. The pressureless two-step sintering method is carried out to resolve the sintering conundrum and produces ultrafine-grained W-Re alloys containing up to 25 wt% Re with record-fine grain sizes, uniform …

Molybdenum-Rhenium and Tungsten-Rhenium alloys serve a wide range of applications in electronics, furnace, joining, and aerospace industries. Precise ... 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 ...

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 ...

Tungsten-rhenium alloys have been found to be useful for such applications, since they have a combination of high strength and good ductility. The best ductility is reached in alloys with a rhenium content close to the solubility limit in tungsten. During manufacturing of such alloys the forming properties are adversely affected by the ...

Rhenium and rhenium-containing alloys are primarily produced by powder metallurgy (P/M) techniques. Melting of these materials in vacuum or in a high-purity inert-gas atmosphere often is prohibitively expensive and time-consuming, as is their production via chemical vapor deposition. ... Abstract Tungsten-rhenium alloys play an important …

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 …

Rhenium. More than 80% of the global rhenium usage is in high-temperature superalloys for aircraft applications like turbine blades and engine parts. These alloys contain up to 6% rhenium, making jet engine construction the largest single use for the element. Rhenium is added to nickel-based super alloys to improve creep strength of the alloys.

Our Tungsten alloy products, including Tungsten-Copper sheet, plate and foil are proudly Made in USA, in our Northeastern Ohio facility. PH: 440-365-7388. FX: 888-366-9830. TF: 888-743-6486. (888-RHENIUM) …

Learn how laser sintering can produce tungsten rhenium alloy with improved mechanical and thermal properties in this research paper by Shan Jiang. Download the full-text PDF for free on ResearchGate.

A first-principles model for anomalous segregation in dilute ternary tungsten-rhenium-vacancy alloys. Journal of Physics: Condensed Matter, 29 (2017), Article 145403. View in Scopus Google Scholar [25] G. Kresse, J. Furthmüller. Efficient iterative schemes for ab initio total-energy calculations using a plane-wave basis set.

Effects of rhenium on the high temperature mechanical properties of a tungsten‐1.0W/O thoria alloy. A. Luo K. Shin D. Jacobson. Materials Science. 2008. The mechanical properties of W‐Re‐1ThO2 alloys with rhenium concentrations from zero to 26 percent were determined over the temperature range 1600 to 2600 K.