Electrochemical Dissolution of Rhenium Bearing Super Alloys
This chapter contains sections titled: Introduction Experimental Methods Results and Discussion Conclusions Acknowledgments
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Hunan Rhenium Alloy Material Co., Ltd.
Hunan Rhenium Alloy Material Co., Ltd. Rhenium is committed to the deep processing and application research of rhenium and rhenium alloy materials. ... which is a very critical additive element of refractory metal to produce the core of high-temperature and pressure bearing —Superalloy turbine blades for the manufacture of high-thrust aero ...
Review: Rhenium and its smelting and recycling …
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: Rhenium materials, manufacturing and …
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Rhenium Alloys
Rhenium alloys are used in nuclear reactors, semiconductors, thermocouples, electronic tube components, gyroscopes, parts for rockets, electrical contacts, thermionic …
Properties and applications of rhenium and its alloys
Rhenium (Re) is a refractory metal with a unique combination of properties that makes Re and its alloys attractive for a variety of hightemperature, catalytic, energy, electrical and biomedical ...
Review of rhenium extraction and recycling technologies …
Molybdenite, especially from porphyry copper ore deposits, is the host rhenium-bearing mineral. In molybdenum concentrates, the rhenium contents are typically in the ... evaporation and precipitation steps. This process can also treat re-melted nickel–rhenium alloys with a specified Ni/Re weight ratio (Bryukvin et al., 2016). …
Electrochemical Dissolution of Rhenium Bearing Super Alloys
DOI: 10.1002/9781118888551.CH29 Corpus ID: 94246968; Electrochemical Dissolution of Rhenium Bearing Super Alloys @inproceedings{Hiskey2014ElectrochemicalDO, title={Electrochemical Dissolution of Rhenium Bearing Super Alloys}, author={J. Brent Hiskey and John R Snowberger}, year={2014} }
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Electrochemical dissolution of rhenium bearing super alloys
The electrochemical dissolution of super alloys containing different amounts of rhenium was investigated. The initial part of the investigation focused on the anodic dissolution of rhenium from ...
A novel method for preparing ultrafine molybdenum‑rhenium alloy …
The Mo Re alloy powders synthesized using the novel carbon‑hydrogen synergistic reduction method display a spherical morphology, with particle sizes ranging in the sub-micrometer scale and an average grain size of 173 nm. The phase compositions of the Mo Re alloy powder are molybdenum, rhenium, and χ phases.
Fractionation of rhenium from osmium during noble metal alloy …
Platinum-bearing alloys (D to F) and, especially Ir-bearing alloys (G and H) ... Rhenium has a slightly smaller D Re PGM/melt when compared to Os, and as a consequence, the (Re / Os) CI of the sulfide melt in equilibrium with that metal phase is slightly supra-chondritic.
Single-Crystal Rhenium-Bearing Nickel Alloys for Turbine …
The compositions of high-temperature single-crystal nickel alloys with rhenium additives (more than 6% Re), which have strength characteristics corresponding to foreign single-crystal alloys of the third generation, are determined. The attained level of properties justifies the use of the scarce and expensive element. An alloy with 9% Re belongs to …
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Weldability of Molybdenum–Rhenium Alloy Based on a
Due to its high thermal conductivity and favorable machinability, molybdenum–rhenium (Mo–Re) alloys have huge prospects in the field of high-temperature heat pipes. However, the weldability of ...
An overview of rhenium effect in single-crystal superalloys
Nickel-based single-crystal superalloys are the key materials for the manufacturing and development of advanced aeroengines. Rhenium is a crucial alloying element in the advanced nickel-based single-crystal superalloys for its special strengthening effects. The addition of Re could effectively enhance the creep properties of the single …
Rhenium Alloys
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 Alloys: Molybdenum-Rhenium alloys, wire, …
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 …
Selective Laser Melting of Tungsten-Rhenium Alloys
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 …
Roskill: Stability Returns to the Rhenium Market
7.3.1.4 Use of rhenium alloys in X-ray tubes and targets 98. ... Table 43: Rhenium-bearing catalysts used in catalytic reforming of naphtha 89. Table 44: World: Catalytic reforming capacity by ...
[PDF] Electroless plating of rhenium-based alloys with …
Electroless deposition of Ni–B, Co–B and Ni–Co–B alloys using dimethylamineborane as a reducing agent. Fundamental aspects of electroless Ni–B, Co–B and Ni–Co–B alloys have been systematically examined. The composition, crystal structure and deposition rate of the alloys were determined as a function….
Rhenium Alloys: Halogen Lamps and Infrared (IR) Lamp …
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Quest Alloys specializes in rhenium scrap recycling and purchases all forms of rhenium-bearing material, including superalloy turbine blades and refinery units.
Electrochemical Dissolution Of Rhenium Bearing Super Alloys
The electrochemical dissolution of super alloys containing different amounts of rhenium was investigated. The initial part of the investigation focused on the anodic dissolution of rhenium from second-generation (3% Re) and third-generation (6% Re) nickel based alloys. Exploratory electrochemical tests were conducted to evaluate …
Properties and Compounds of Rhenium
1. Re2O7. Re2O7 is a yellow solid with volatility and is the most common rhenium oxide. It dissolves in water and forms Perrhenic acid (HReO4). 2. ReO2. ReO2 is a dark brown solid substance with a monoclinic structure, a density of 11.4～11.6g/cm³, and a boiling point of 1363℃. However, ReO2 begins to decompose at 700°C, producing metal ...
Rhenium Alloys: Tungsten-Rhenium alloys, wire, flat wire, …
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Orientation‐dependent mechanical responses in molybdenum‐rhenium alloys …
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 …
Electrodeposition and superconductivity of rhenium-iron alloy …
Rhenium-iron alloy films with 1–60 at% Fe are successfully deposited using DC deposition at constant potentials. The rhenium deposition rate is significantly increased upon the addition of iron in electrolyte, where a 10-fold increase could be observed with 35 mM Fe. Nodular surface morphology is observed for the films deposited at lower ...
Review of rhenium extraction and recycling …
Recycling rhenium from spent alloys and catalysts is a multi-step process combining pyrometallurgical and hydrometallurgical techniques, where its separation and …