Our Tungsten alloy products, including Tungsten-Rhenium wire, rod and flat wire are proudly Made in USA. PH: 440-365-7388. FX: 888-366-9830. TF: 888-743-6486. (888-RHENIUM) Rhenium Alloys offers Tungsten-Rhenium wire, flat wire, and rod ideal for thermocouples and electronics products, and Made in USA.

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 ...

Drilling: Use carbide tipped or solid carbide drills with air or coolant such as molydisulfide cutting fluid. Drill tap holes to 50-55% of thread hole requirement. Tapping: Use straight flute, high alloy taps. For small threaded holes, thread forming. taps can be used. Nitrided or solid carbide taps will extend life of tap on long run jobs.

Molybdenum-rhenium alloys containing 40 to 48% Re by weight are commonly used for many high-technology applications. Higher rhenium contents bring the alloys into a two-phase region with the ...

Rhenium alloys Tungsten–rhenium alloys . W–Re alloys have a lower brittle-ductile transition temperature combined with a higher recrystallization temperature …

V&T Machining Excels in Precision with Metal Chemical Etching for Rhenium: In its continued pursuit of precision and innovation, V&T Machining unveils an optimized guide for metal chemical etching, this time focusing on Rhenium. Known for its exceptional properties, Rhenium finds applications in aerospace components, electronics, and high …

W orld rhenium production (2013) - 53 mt [3] In 2013, the price of catalytic-grade APR remained at $3,800. per kilogram until April, when the price slowly began to decrease to. $3,150 per kilogram ...

The rhenium leaching process was conducted in two variations: in the first option, grinding waste was mixed with a hydrochloric acid solution at ~100 °C, followed by the addition of hydrogen ...

The sulfuric-acid leaching kinetics of nickel as the main component of grinding wastes originating from machining a rhenium-containing heat-resistant ZhS-32VI superalloy and containing the ...

This study delves into the grinding-induced microstructural and mechanical evolution in high-entropy nickel-based superalloys GH4169 and DD5, underscoring their distinct behaviors under varying machining conditions. Leveraging "Random Substitution" in Material Studio, the research developed intricate atomic models to accurately depict the …

According to the manufacturer's data (Rhenium Alloys, Inc.), hardness for annealed rhenium is 170 HV. The experimental results obtained in this study were higher …

Specimen Preparation (Class 2 Procedures) Refractory metals such as Rhenium, Niobium, Tungsten and Molybdenum are a very soft, and any loose or fracture abrasive particles can easily embed. This makes specimen preparation very difficult because it gums up diamond grinding disks or becomes embedded with fractured SiC particles when ground with ...

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 …

Rhenium promotes the grinding of tungsten grains. With 1.5 wt.%, changes in the microstructure are visible; there is a marked reduction in the size of the tungsten grains. With the increase in the rhenium content in the alloy, the size distribution of the measured grains decreases.

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 …

Rhenium is one of the densest materials and has one of the highest melting points of all materials. It is produced as a by-product of copper smelting and has many useful properties. ... electron discharge machining and abrasive cutting and grinding techniques. Properties. ... Rhenium tungsten alloys are used for high temperature …

Rhenium Alloys manufactures tubular double-ended (T-Style) infrared (IR) Quartz Halogen Lamps. Our primary IR Halogen Lamps are used in the semiconductor industry as a heat source in epitaxial processing of silicon wafers. Our lamps are qualified and approved by leading semiconductor manufacturers worldwide. Rhenium Alloys is the OEM supplier ...

The rhenium leaching process was conducted in two variations: in the first option, grinding waste was mixed with a hydrochloric acid solution at ~100 °C, followed by the addition of hydrogen ...

Abstract. Rhenium is utilized as an additive to improve the high-temperature strength and stability of materials, such as nickel-based superalloys, which are …

Rhenium Alloys has the expertise and equipment to handle many industrial metal services, including Cold Isostatic Pressing, Heat-Treating (Annealing and Sintering), Swaging, Drawing, Testing Mechanical Properties, Straightening and Flattening, Center-less Grinding, Rolling, and Engraving. See more

Rhenium is a chemical element with the symbol Re and atomic number 75. It is a silvery-white, rare metal that belongs to the group of transition metals.Rhenium has a high melting point and is one of the densest elements known. It is primarily used as an alloying agent in the production of superalloys, which are used in high-temperature …

Digestion of the NiAl-Re eutectic in sulphuric acid, on the other hand, produced mainly long rhenium fibres of consistent shape and length. Both etching procedures might subsequently be applied for the preparation of nanodisc electrode arrays by embedding the obtained Re nanowires into a polymer and grinding until the wires are …

Rhenium Alloys, Inc. consistently researches and develops new applications for its refractory metal products. Contact Rhenium Alloys Request Quote Careers – Download Application TF: 888-RHENIUM PH: …

We have a metallurgy alloy supplier since 1982, providing our customers with the custom specs they need to for their business. Check out all the different options we provide. Eagle Alloys has built our reputation by providing the best customer service in the industry. For nearly four decades, we have provided many industries with the highest ...

MetalsTek Engineering is a leading supplier of Rhenium products. We offer competitive pricing and excellent lead times on all our materials, and we can supply custom materials per any specs/drawings you provide us. Evaporation Materials Sputtering Targets Rhenium Crucibles Rhenium Wire Rhenium Rod Rhenium Sheet & Foil & Strip Rhenium Plate & …

Grinding experiments were carried out on the M7120A grinding machine using the flat groove grinding method to investigate the effect of the rhenium effect and …

Recycling rhenium from spent alloys and catalysts is a multi-step process combining pyrometallurgical and hydrometallurgical techniques, where its separation and the subsequent steps are similar to that of extracting rhenium from primary resources. ... applied for a patent to recycle rhenium-containing superalloy scrap, by first grinding the ...

The following grinding procedures are suggested as starting points; necessary changes, if any, will be evident from the results obtained in preliminary work. Operation Surface Surface Cylindrical Cylindrical type of grind dry wet wet or dry wet wheel speed (surface fpm) 6000 6000 6500 6500 infeed (in./pass) 0.002 0.005 0.001 0.0005

for the acid opening of grinding wastes: (i) transferring an alloy base into a solution with the concentration of rhenium in the residue, followed by processing with the use of a high-temperature oxida-tive distillation of rhenium heptaoxide; (ii) oxidative dissolution with transferring both alloy base and rhenium into solution, followed by a

EDM & ECM. Both of these processes work well when working with molybdenum. Stock removal Rates of up to .5 in (3)/min and +/- .0005" tolerances have been achieved with EDM. EDM wire cutting is used for intricate shapes. Electrochemical machining is normally capable of approximately 1 in (3) /min stock removal at 10,000 amps.

The physical and basic mechanical properties of rhenium, the types of manufacturing processes, and the applications of rhenium and its alloys have been discussed in previous research [4, 13, 15]. ... both with 80 μm–1 μm gradation using a FORCIPOL 202 metallographic grinding and polishing machine.

In connection with this, the process of electrochemical dissolution of wastes from tungsten-rhenium alloys VR-5 (-5) and VR-20 (-20) (containing 5 and 20% (wt.) of rhenium, respectively) was ...

Rhenium Alloys Inc. provided all the PM samples. The pressed and sintered bars measured 95 to 96.3 percent dense. The rolled sheet was obtained from an ingot that was rolled in the longitudinal direction to produce a sheet that was nominally 8 cm wide by 38 cm long and 0.16 cm thick.

1. Introduction. Rhenium (Re) has a melting point of 3180 °C, a density of 21.02 g/cm 3, and a linear thermal expansion coefficient of 6.63 × 10 −6 m/K. Re has …

To study the impact of rhenium and grain boundaries on the grinding surface quality of Ni-based superalloys, the experiments were conducted with Ni-based polycrystalline …

Dasan et al. (2011) applied for a patent to recycle rhenium-containing superalloy scrap, by first grinding the scrap to a particle size of around 5 µm to …

rhenium alloy were included for comparison with the dilute alloys. Alloys were single. 20 30 40 50 60 70 80 Rhenium, weightpercent Figure 1. -Tungsten-rheniumphasediagram(ref. 7). ... (grinding of defects) and salt-bath cleaning during fabrication was varied. Bend Testing Bend test specimens measuring 0.3 by 0.9 inch were cut from the rolled ...

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