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 ...

An example is shown in Fig. 3, for the final uses of vanadium, tin, samarium, and rhenium circa 2020, with their alloy fractions varying between 70% and 97%. Similar information for all metals ...

Smooth and notched specimens of single crystal superalloy DD32 were subjected to rotary bending high-cycle fatigue (HCF) loading at different temperatures. The experimental results demonstrate that fatigue strengths of the smooth and notched specimens reach the maxima and the minimum notch sensitivity displays at 760 °C. …

For the ninth year in a row, rhenium metal and catalytic-grade APR prices decreased. In 2020, catalytic-grade APR prices averaged $1,100 per kilogram, a 12% decrease from the annual average price in 2019. Rhenium metal pellet prices averaged $1,000 per kilogram in 2020, a 20% decrease from the annual average price in 2019.

Rhenium has very good heat shock resistance at high temperatures, at 2200 ℃, the rhenium manufactured engine nozzle can withstand 100 000 thermal fatigue cycles without failure. In addition, rhenium also has very good resistance to wear and corrosion, its resistance to wear is second only to osmium metal, for most of the gas except oxygen …

All Molybdenum-Rhenium alloy models were constructed using a body-centered cubic structure as the unit cell, and a 2 × 2 × 2 SQS supercell was built. ... The self-consistent cycle energy convergence criterion was set to 1.0 × 10–5 eV/atom. The final total dataset contains 1550 structures with 24800 atoms that encompass Molybdenum …

Tungsten Rhenium Alloy Rod/Bar, W-Re Alloy. Tungsten rhenium alloys are solid solution strengthened alloys with tungsten as the base and rhenium as the element. The rhenium content of the alloy is commonly used in 3%, 5%, 10%, 25%, and 26%. We can provide customized tungsten rhenium alloy rods/bars at a competitive price.

CMSX-4 alloy is a second-generation nickel-base single-crystal superalloy containing 3 percent (wt) rhenium (Re) and 70 percent volume fraction of the coherent {gamma}{prime} precipitate strengthening phase. The paper details the single-crystal casting process and heat treatment manufacturing development for turbine blades in …

Rhenium Alloys uses a Struers DuraScan 50 micro-macro hardness tester. Using an automated programmable stage and a wide range of optics, this hardness tester is capable of reliably delivering load ranges from 10g to 10 kg using a unique combination of dead weights and load cell technology. With a maximum Z height over 10" and a large load ...

Yesterday's Pioneer, Today's Leader. rhenium TF: 888-RHENIUM (888-743-6486) PH: 440-365-7388 FX: 888-366-9830 Quartz Infrared Halogen Lamps High Power Energy Sources for the Semiconductor Industry and Beyond Rhenium Alloys manufactures tubular double-ended (T-Style) infrared (IR) Quartz Halogen Lamps.

Effect of rhenium on low cycle fatigue behaviors of Ni-based single crystal superalloys: a molecular dynamics simulation - ScienceDirect. Journal of Materials …

RHENIUM ALLOYS, INC. | 308 followers on LinkedIn. Rhenium Alloys Inc. is a leading manufacturer of refractory metals and specialty fabricated products - specializing in rhenium, molybdenum ...

Coupons of rhenium-to-CI03 flat plate joints, formed by explosive and diffusion bonding, were evaluated in a series of shear tests. Shear testing was conducted on as-received, thermally-cyc1ed (100 cycles, from 21 to 1100 'c), and thermally-aged (3 and 6 hrs at 1100 'c) jOint coupons. Shear tests were also conducted on joint coupons with rhenium

After a historic excursus the basic properties of rhenium are summarized, followed by selected classes of its compounds (halides and oxyhalides, oxides, perrhenates, carbides, carbonyls, alkoxides). Subsequently, the analysis of rhenium and a variety of rhenium alloys as well as the use of rhenium as catalyst are described. Finally, the …

Rhenium Alloys Inc. provided all the PM samples. The pressed and sintered bars measured 95 to 96.3 percent dense. The ... PM pressed and sintered rhenium while low cycle fatigue data is presented for CVD, PM pressed and sintered and HIP rhenium in Table IV. Rolled Sheet. From Figure 2 it is seen the

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.

The above steps were taken as a cycle. Thereafter, hot corrosion tests were carried out on the specimens with new corrosive salts. The cycle was repeated until corrosion time reached 30 h. ... Atom probe tomography analysis of the distribution of rhenium in nickel alloys. Acta Mater. 2010;58(3):931. Article CAS Google Scholar Ge …

67 Citations. Explore all metrics. Abstract. Nickel-based single-crystal superalloys are the key materials for the manufacturing …

Figs. 1 a and b and 2 a and b present the hemispherical emissivity of W–25 wt% Re alloy and pure Re in the wavelength ranges 0.6–2.8 μm and 0.6–40 μm in the temperature range 1300–2200 K. Three measurements cycles (a–c) were done on the W–25 wt% Re sample, and two, (b) and (c), on the pure Re sample (unfortunately the …

A new single-crystal nickel-based superalloy has been developed as part of the GE Aviation strategy of "Rhenium Reduction" This new material provides second-generation properties while using significantly less rhenium. The new alloy development and introduction is part of the four-part strategy of "revert, recycle, recover, and reduce.".

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 ...

Rhenium (Re) is one example of these critical metals (considered critical in a portion of criticality studies, McNulty and Jowitt, 2021) as it is vital for the production of high melting point alloys, meaning that numerous governments and businesses have enacted strategies to ensure secure supply chains of this metal. One notable example is the ...

Overall, the specimen was stable and remained within a coolable geometry upon conclusion of multiple thermal cycles to prototypical operating temperatures. Temperature-dependent synergistic evolution mechanism of rhenium and irradiation defects in tungsten-rhenium alloys. 2023, Journal of Materials Science and Technology ...

Despite the fundamental importance of rhenium to this alloy system, there is still no accepted mechanism by which these improved properties are conferred. Thus, improved analysis, theory and modelling are needed. The single-crystal superalloys contain a high (>50%) fraction of a strengthening phase, known as γ′, which resists deformation.

@article{osti_6859673, title = {Rhenium and its alloys}, author = {Bryskin, B D}, abstractNote = {This paper reports on the scarcity and high cost of pure rhenium (Re) which precludes its extensive use for large structural components. Typical applications include wear resistant electrical contacts and mass-spectrometer cathodes. The metal is …

Rhenium Alloys Inc. provided all the PM samples. The pressed and sintered bars measured 95 to 96.3 percent dense. The ... PM pressed and sintered rhenium while low …

Abstract. Additively manufactured tungsten-rhenium alloys have been compared with pure tungsten in terms of their volumetric density, cracking behavior, microstructure, and hardness. The ...

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. ... Resistance to Specific Agents: Rhenium is resistant to water cycle corrosion; to sulfuric acid and hydrochloric acid (but can be dissolved by nitric ...

1 INTRODUCTION. Molybdenum-rhenium (Mo-Re) alloys have stable body-centered cubic (BCC) structure at a large temperature range, which makes Mo alloys to be widely applied in high temperature environment. 1, 2 However, high ductile-to-brittle transition temperature (DBTT) leads to a poor ductility and processing ability at room …

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]. ... Approximation methods allowed for safe estimation of the fatigue life of rhenium in the high-cycle range. Nevertheless, it should …

temperatures as high as 3000 K with multiple start-up and shut-down-cycles.6,11,12 However, tungsten is brittle at space cold temperatures, necessitating the use of W-25at.%Re cladding tubes within the fuel element coolant channels. The addition of rhenium to tungsten as a solid solution alloy increases the tensile strength while

Rhenium Alloys is a leading manufacturer of refractory metals and high temperature products in the metals and alloys industry. Use the CB Insights Platform to explore Rhenium Alloys's full profile. ... Nth Cycle focuses on metal refining within the technology industry. The company offers a modular refining system, known as the Oyster, which ...

@article{osti_1013711, title = {SPS Fabrication of Tungsten-Rhenium Alloys in Support of NTR Fuels Development}, author = {Webb, Jonathan A and Charit, Indrajit and Sparks, Cory and Butt, Darryl P and Frary, Megan and Carroll, Mark}, abstractNote = {Abstract. Tungsten metal slugs were fabricated via Spark Plasma Sintering (SPS) of powdered …

Fukuda et al., reported tungsten-rhenium alloy showed a systematic change with rhenium concentration, but on the other hand, K-doped W showed almost same thermal diffusivity [4]. In their paper, W …

Rhenium Alloys offers Rhenium and Molybdenum-Rhenium in plate, sheet, foil and ribbon. For over 45 years, Rhenium Alloys has been delivering high performance refractory metals to customers who desire an alloy that can withstand extreme temperatures and harsh environments. Alloying Rhenium and Molybdenum increases both strength and …