The positive effects of rhenium additions on the mechanical behavior of group VI-A refractory metals have been known for decades. In particular, rhenium enhances high-temperature strength and creep resistance as well as low-temperature ductility. This article outlines the low-temperature mechanical behavior of molybdenum-rhenium, …
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High purity molybdenum and rhenium powders were used to prepare Mo and Mo–Re alloys via power metallurgy method. These powders processed via mixing, pressing and sintering to form as sintered Mo and Mo–Re alloys. The contents of Re are 5 wt%, 14 wt%, and 42 wt%. Mo–Re alloys with different Re content are abbreviated as …
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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 Mo–Re alloys has not yet been systematically investigated. Based on an orthogonal test, the influence law of the single …
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Helium ion-irradiation responses in molybdenum (Mo) and molybdenum-rhenium (Mo-Re) alloys at room temperature were evaluated via micro-pillar compression. Irradiation-induced hardening is closely dependent on orientation in Mo-Re alloys with low Re content, while is weak orientation-dependence on high Re alloys. ...
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A special test facility has been designed and built for stress-rupture testing at very high temperatures (up to 3000 C) of refractory metals and alloys in inert …
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The Kalman West prospect is located 1km west of the Kalman copper -gold-molybdenum-rhenium deposit and is located on a 7km long structural splay from the Pilgrim Fault. The structural zone is anomalous in copper, lead, zinc and gold over much of its length and is poorly tested. Kalman West also hosts a number of zones of
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Molybdenum-47.5%-Rhenium Wire is used in welding, electronics and wire mesh grids for the space industries. Tungsten-Rhenium Wire is a staple in thermocouples and electronics products. Tungsten Wire, with its very high tensile strength even at a very small diameter, is widely used for thermocouples, electronic devices, and lighting.
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The physical characteristics of the molybdenum-rhenium alloys produce a material with excellent life in extremely harsh service environments. The effect of the rhenium addition to molybdenum in powder metallurgy sheet product near and exceeding the saturation point of rhenium in molybdenum was investigated. Alloys of 41,44.5, …
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DOI: 10.1016/J.SCRIPTAMAT.2008.02.057 Corpus ID: 137196593; Mechanical properties of ternary molybdenum–rhenium alloys at room temperature and 1700 K @article{Schneibel2008MechanicalPO, title={Mechanical properties of ternary molybdenum–rhenium alloys at room temperature and 1700 K}, author={Joachim H. …
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Tungsten Rhenium and molybdenum rhenium alloy, which are widely used in heating elements,temperature thermal couple, cathode of valve and other high temperature using parts. Molybdenum rhenium alloy, commonly known as Molybdenum Rhenium (Mo-Re), is used extensively in industries as diverse as medicine, defense, …
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A nanostructuring strategy is reported that achieves Mo alloys with yield strength over 800 MPa and tensile elongation as large as ~40% at room temperature and a general pathway for manufacturing dispersion-strengthened materials with both high strength and ductility.
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Mo-Re alloys containing between 5 and 47.5 wt pct Re were fabricated from Mo and Mo-Re powders by sintering and hot radial forging. The mechanical properties of as-forged, stress-relieved, and recrystallized specimens were examined. Up to a concentration of 41 wt pct Re, the Charpy ductile-to-brittle transition temperature decreased monotonically with …
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The improvement in the low temperature ductility of molybdenum by additions of up to 50 wt% rhenium is a phenomenon that has received considerable attention since its discovery by Geach and Hughes over 40 years ago [1].Although improvement in the low temperature fracture behavior is realized, the improvement in …
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Molybdenum–rhenium alloys have a lower ductile-to-brittle transition temperature than molybdenum, which is advantageous in applications requiring improved room temperature ductility or impact toughness. However, at high temperatures rhenium strengthens molybdenum only slightly. This work screens the effect of alloying …
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• Mount Isa is also home to the world class Merlin molybdenum - rhenium deposit 70km to the south east owned by private company Chinova Ltd. HAMMER METALS LTD | 5. Kalman Mineral Resource Estimate Open pit and underground potential Remains open at depth with along strike potential Mining CuEq Tonnes CuEq Cu Mo Au Ag Re …
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Although the solubility of rhenium in molybdenum allows for up to approximately 50 wt.% rhenium, the compositions in this present work were selected to …
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Refractory molybdenum-rhenium (Mo-Re) alloys are considered as the best core structural materials in the space nuclear reactor.Irradiation will induce obvious microstructure damage and formation of Re-rich precipitates, but the underlying mechanism remains unclear due to the complicated interaction between Re and defects. In this …
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Molybdenum Rhenium is one of numerous metal alloys sold by American Elements under the trade name AE Alloys™.Generally immediately available in most volumes, AE Alloys™ are available as bar, ingot, ribbon, wire, shot, sheet, and foil. Ultra high purity and high purity forms also include metal powder, submicron powder and nanoscale, targets for …
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- - Syndicated Metals to farm-in to Kalman molybdenum-rhenium-copper-gold project - - Argonaut Exploration drills high grade molybdenum at the High Gold porphyry property - - Japan firms worry about impact of worse ties with Russia - ...
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Kalman is HMX owned and is located 6km east from Hammer's owned Overlander project. Kalman is one of the world's highest grade undeveloped Molybdenum and Rhenium projects. An updated …
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@misc{etde_20190391, title = {Manufacture and properties of molybdenum-rhenium alloys} author = {Fischer, B, and Freund, D} abstractNote = {It is necessary to measure strength and creep behavior to guarantee the safe and reliable usage of refractory alloys at extremely high temperatures. In the literature there is very little information …
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utilising metals such as molybdenum is increasing the attractiveness of Kalman's metal suite Furtherm. ore, Rhenium is emerging as a possible alternate to PGM's given its superior electrochemical properties and lower costs. **
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The physical characteristics of the molybdenum-rhenium alloys produce a material with excellent life in extremely harsh service environments. The effect of the …
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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 …
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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 compositions of the supercell were Mo 1−x Re x, where x takes the values of 0.0625, 0.125, 0.1875, 0.25, 0.3125, 0.375, 0.4375, and 0.5. The positions of the rhenium atoms were …
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A thermodynamic optimization of the Mo–Re system by the Calphad method is proposed, taking into account new experimental data obtained in this work. According …
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"The Kalman Deposit is located within the Eastern Succession of the Mount Isa Inlier. It occurs adjacent to the Pilgrim Fault Zone, a major crustal suture transecting the Mount Isa Inlier that separates the Wonga Sub-Province from the Ewan-Malbon Sub-Province. ... Leahey, T A., 2009: Molybdenum-Rhenium-Copper-Gold Mineralisation at Kalman ...
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Abstract. The ternary Ni–Al–AE phase diagrams, where AEs are the main alloying elements of high-temperature cast (γ' + γ) γ'-Ni 3 Al-based alloys, are analyzed. Principal differences between the solidification schemes in the vicinity of the γ'-Ni 3 Al and β-NiAl phases and the differences in the characters of the influence of the main AEs at …
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Studies have shown that over 90% of the world's rhenium resources come from porphyry Cu (-Mo-Au) deposits, with a small amount from skarn-type, hydrothermal …
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Hammer Metals (ASX:HMX) is one of the few listed companies with declared resources of rhenium. Its Kalman deposit near Mt Isa in Queensland contains 39.2Mt of ore at 1.07% copper equivalent, including 0.53% copper, 0.27g/t gold, 0.1% molybdenum, 1.5g/t silver and 2.1g/t rhenium.
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Molybdenum-Rhenium is a new biomaterial to the orthopedic market that is exciting because of its biocompatibility, MRI and CT compatibility, and corrosion resistance. Its combination of high …
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As emerging high-temperature alloys, molybdenum-rhenium (Mo-Re) alloys have made a sparkle in extreme service environments such as the aerospace and nuclear industries [10]. The element rhenium gives Mo-Re alloys excellent oxidation resistance and mechanical/processing properties [11] in high-temperature environments.
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This problem was solved in the thermodynamically calculated phase diagrams by [], [], and [].These phase diagrams are similar because all the diagrams are based on the same phase boundary data as [].Figure 1 shows the Mo-Re phase diagram proposed most recently by [].
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Molybdenite is the world's principal source of rhenium (Re), a critical element in multiple high-tech applications. However, the Re contents in molybdenite vary by orders of magnitude on scales ranging from single grains to whole deposits. In order to better understand the systematics of this variation and what geochemical factors control …
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For over 27 years AAA Molybdenum Products has supplied industry with a variety of Molybdenum and Rhenium compounds. Our partnership with Powmet, Inc. located in Rockford, Il. increases our product offerings and knowledge base to other metals such as Vanadium, Chromium, and Tungsten.
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The Kalman copper-gold-molybdenum-rhenium deposit is located 60 kilometres southeast of Mount Isa and is owned by Hammer Metals Limited. For personal use only. 3 The Kalman Mineral Resource Estimate was updated in March 2014 in accordance with the JORC Code (2012 Edition).
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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 temperature …
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New zones of anomalous copper-gold-molybdenum in soil discovered at Kalman West ... The equivalent grade is based on copper, gold, silver, molybdenum, rhenium and cobalt. The copper metal equivalent calculation is based on a copper price of US$8,340/t, gold price of US$1,300/oz., silver price of US$23.66/oz., Molybdenum price of US$14.50/lb ...
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