المنتجات

Tungsten-Rhenium Alloy – Density – Strength

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.

and Mechanical Properties of Tungsten Heavy Alloy

lated this way, to assure the same density of the alloys. Since density of rhenium (20.02 Mg/m3) is comparable with tungsten (19.30 Mg/m3), the rhenium addition replaced …

Wafer Testing With Tungsten and Tungsten-Rhenium Probe …

Broz received a Ph.D. in mechanical engineering from the University of Colorado. Advanced Probing Systems, P.O. Box 17548, Boulder, CO 80308, (303) 939-9384. Most integrated circuits are tested ...

Unveiling the intrinsic rhenium effect in Tungsten

Abstract. Body-centered cubic refractory metals, as a class of critical structural materials, are often restricted by poor low-temperature toughness, which is a common, …

Rod and Wire

Delivering new customer-specific material solutions that optimize your products to give you a competitive advantage. Rod Products Pure Rhenium Rod (99.99% pure), offers high ductility and strength, designed for ... Tungsten-Rhenium Molybdenum Tungsten. Yesterday's Pioneer Today's eader. renio TF -RHEIM (-743-646) PH 440-365-73 F -366 …

Rhenium-Tungsten Parts | Toshiba Materials

Material : Rhenium-Tungsten (Rheni-tung) Wires; Re (wt%) K (ppm) Fe (ppm) Mo (ppm) W* (wt%) Features; H30: 3: ≤ 100: ≤ 30: ≤ 50: ≥ 99.95: Outstanding non-sag properties due to addition of doping material: H36: …

Tungsten MECHANICAL AND PHYSICAL PROPERTIES

Yesterday's Pioneer, Today's Leader. rhenium TF: 888-RHENIUM (888-743-6486) PH: 440-365-7388 FX: 888-366-9830 Tungsten | MECHANICAL AND PHYSICAL PROPERTIES Metric English Physical Properties Density 19.3 g/cc 0.697 lb/in³ a Lattice Constant 3.165 Å 3.165 Å Melting Point 3370 °C 6100 °F Boiling Point 5900 °C 10700 °F …

Tungsten-Rhenium Alloy – Density – Strength

Up to 22% rhenium is alloyed with tungsten to improve its high temperature strength and corrosion resistance. The hardness of as-cast W – 30Re alloy is around 500 BHN. This hardness strongly depends on …

Superhard Rhenium/Tungsten Diboride Solid Solutions

Rhenium diboride (ReB2), containing corrugated layers of covalently bonded boron, is a superhard metallic compound with a microhardness reaching as high as 40.5 GPa (under an applied load of 0.49 N). Tungsten diboride (WB2), which takes a structural hybrid between that of ReB2 and AlB2, where half of the boron layers are planar (as in AlB2) …

Effects of rhenium contents on oxidation behaviors of tungsten-rhenium …

1. Introduction. Tungsten (W) materials used as plasma-facing components are irradiated by fusion neutrons which make W transmute into mainly rhenium (Re), osmium (Os) and tantalum (Ta), resulting in their alloying and activation of the W materials after operation of a fusion reactor [1], [2], [3].When such the radioactive W materials are …

Selective Laser Melting of Tungsten-Rhenium Alloys

Tungsten has long been recognized as a refractory metal with attractive material properties. Possessing a density of 19.3 (hbox {g/cm}^{3}), high strength and thermal conductivity, and the highest melting point of any pure metal (3422°C), tungsten is a promising material for use in radiation shielding, pinhole collimators, and many other …

Rhenium Tungsten Anode in X-Ray Tube

An alloy containing tungsten and rhenium is also used because the addition of 5-10% rhenium prevents grazing of the anode surface. The body of the anode is made of materials that are light and have a good heat storage capacity, like …

Reduction, sintering and mechanical properties of rhenium-tungsten …

Preparation, Mechanical Properties and Strengthening Mechanism of W-Re Alloys: A Review. W-Re alloys are one of the most important refractory materials with excellent high-temperature performance that were developed to improve the brittleness of tungsten. In the present work, we firstly….

W-25 Re Tungsten Rhenium Alloy, Annealed

W-25 Re Tungsten Rhenium Alloy, Annealed. Categories: Metal; Nonferrous Metal; Refractory Metal; Tungsten Alloy. Material Notes: 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.

W-3 Re Tungsten-Rhenium Alloy MECHANICAL AND …

Rhenium, Re 3.00% 3.00% Tungsten, W 97% 97% References Materials Handbook, 2nd Ed, Francois Cardarelli, Springer-Verlag, London, 2008. W-5 Re Tungsten-Rhenium Alloy | MECHANICAL AND PHYSICAL PROPERTIES Metric English Physical Properties …

Surface modification and deuterium retention in rhenium doped tungsten

Surface modification and deuterium (D) retention in rhenium (Re) doped tungsten (Namely, W-5 wt.% Re) exposed to 100 eV deuterium plasma with a constant flux of 1.8 × 10 21 D/m 2 /s were investigated. All the samples were exposed to D plasma at three types of exposure conditions, namely, exposure with doses of 1.3 × 10 25 D/m 2 …

Materials | Free Full-Text | Preliminary Study of the Rhenium Addition

The results of structure and mechanical property investigations of tungsten heavy alloy (THA) with small additions of rhenium powder are presented. The material for the study was prepared using liquid phase sintering (LPS) of mixed and compacted powders in a hydrogen atmosphere. From the specimens, the samples for mechanical …

Synthesis and High-Pressure Mechanical Properties of Superhard Rhenium

The first approach builds on previous reports where tungsten is doped into ReB 2 at concentrations up to 48 at. %, forming a rhenium/tungsten diboride solid solution (Re 0.52 W 0.48 B 2). In the second approach, the composition of both materials is maintained, but the particle size is reduced to the nanoscale (40–150 nm).

Unveiling the intrinsic rhenium effect in Tungsten

Abstract. Body-centered cubic refractory metals, as a class of critical structural materials, are often restricted by poor low-temperature toughness, which is a common, undesirable phenomenon that continues to be the focus of intense research. Historically, rhenium ( Re) has been considered the most promising alloying element in improving ...

Deuterium retention in rhenium-doped tungsten

One of them is the influence of rhenium impurity on hydrogen retention in the material. Rhenium can be added into tungsten intentionally to improve mechanical properties of the material. Also, irradiation of PFM with neutrons produced in thermonuclear reactions will cause the transmutation of the whole elements of PFM. For tungsten, the ...

Rhenium Alloys: Pure Tungsten wire and rod

Polycrystalline Tungsten is an intrinsically brittle and hard material due to its weak grain boundaries, making it difficult to work. However, pure single-crystalline Tungsten is more ductile, and can be cut with a hard-steel hacksaw. ... Tungsten-Rhenium Wire is a staple in thermocouples and electronics products. All Wire compositions are ...

Welcome to Rhenium Alloys, Inc.

Quartz Halogen Lamps . The Rhenium Lamp Group, a division. of Rhenium Alloys, is an established supplier of high-quality rhenium alloys and other advanced materials for use in nuclear, semiconductor, electronic, space, and other high-tech industries throughout the world. Rhenium Alloys leverages proprietary manufacturing techniques along with state …

Strengthening of tungsten by coherent rhenium precipitates …

Experimental data show that the accumulation of rhenium and osmium from transmutation reactions severely affect the microstructural evolution and property …

Tensile properties of tungsten-rhenium wires with

The strengthening mechanism associated to the nanofibrous microstructure was discussed. The results showed that the tungsten-rhenium wires with nanofibrous grains exhibited a very high tensile strength reaching values of 3.5 GPa and 4.4 GPa for the coarse (grains diameter of 240 nm) and fine (grains diameter of 80 nm) wires, respectively.

Tungsten Rhenium Alloy Wire (WRe Wire)

Tungsten Rhenium alloy wire is drawn from an alloy rod composed of tungsten and rhenium, and the common rhenium content is 3%, 5%, 25%, and 26%. Tungsten-rhenium alloy wire has good electrical conductivity, ductility, and workability, and can be used for high-temperature thermocouple and cathode wire. Please contact us if you need …

» Rocket Nozzles Materials Research & Design, Inc.

Materials Research & Design, Inc. (MR&D) has extensive experience in the design and analysis of rocket nozzle throat inserts. MR&D has been part of various programs related to the development of high temperature rocket nozzle materials for over fifteen years. ... and tungsten-rhenium alloys doped with hafnium carbide. These materials proved to ...

Strengthening of tungsten by coherent rhenium …

Experimental data show that the accumulation of rhenium and osmium from transmutation reactions severely afect the microstructural evolution and property degradation of tungsten-based materials under neutron irradiation. Theory and mod-eling have confirmed that Re atom transport in W is by irradiation-produced migrating self-interstitial atoms.

Study on high-temperature mechanical properties of W25Re …

Materials Research Express supports this mission and actively demonstrates our core values of inclusive publishing and trusted science. ... Tungsten rhenium alloy is widely used in aerospace, weapon electronics, and other high-temperature fields. W25Re alloy bars were prepared by powder metallurgy combined with the rolling …

Neutron irradiation tolerance of potassium-doped and rhenium …

Tungsten (W) based materials for fusion reactor applications have been developed in Japan for the last decade to improve thermo-mechanical properties and tolerance with respect to neutron-irradiation effects. ... Anisotropy in the mechanical properties of potassium and rhenium doped tungsten alloy plates for fusion reactor …

Deuterium retention in rhenium-doped tungsten

Abstract. Deuterium retention in rhenium doped tungsten (W–Re) was investigated by means of the thermodesorption technique. W–Re alloys of different structures and concentrations of Re were ...

Tungsten Rhenium Alloy | AMERICAN ELEMENTS

SECTION 1. IDENTIFICATION. Product Name: Tungsten Rhenium Alloy Product Number: All applicable American Elements product codes, e.g. W-RE-02, W-RE-03, W-RE-04, W-RE-05 CAS #: 1 Relevant …

Effect of concentration of rhenium and temperature on …

The introduction of rhenium into the atomic structure of pure tungsten resulted in a significant enhancement of its ductility. These findings shed light on the …

PROPERTIES OF DILUTE TUNGSTEN-RHENIUM ALLOYS

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

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.