rhenium re properties

A STUDY OF SELECTED PROPERTIES OF RHENIUM SULPHIDE

A study of selected properties of rhenium sulphide dispersion 389 gelatin and Povidon K-25 can be interesting for pharmaceutical applications in the radiosynovectomy. Experimental Materials and methods The studies were carried out using a commercial Re 2 S 7 Get price

Atomic and nuclear properties of rhenium (Re)

Atomic and nuclear properties of rhenium (Re) Quantity Value Units Value Units Atomic number 75 Atomic mass 186.207(1) g mole-1 Specific gravity 21.02 g cm-3 Mean excitation energy 736.0 eV Minimum ionization 1.143 MeV g-1 cm 2 24.02 192.8 g cm-2 Get price

Thermal Conductivity of Rhenium (Re) [ Color, Uses,

Heat transfer depends on a material property called thermal conductivity, even in an material as small as an atom of Rhenium. Ok, so what is the thermal conductivity of an atom of Re? Note: Learn more about the thermal conductivity here. In the case of Rhenium, thermal conductivity is 0.479 W/cmK. Get price

Rhenium

Rhenium is a chemical element with symbol Re and atomic number 75. It is a silvery-white, heavy, third-row transition metal in group 7 of the periodic table.With an estimated average concentration of 1 part per billion (ppb), rhenium is one of the rarest elements in the Earth's crust.. Get price

Rhenium, Re, Element 75

Rhenium - chemical symbol Re, atomic number 75 - is a rare, silvery-white, heavy, polyvalent, high melting, hard, chemical element in the group of transition metals (group 7, manganum family). Online available information resources about the chemistry and physics of rhenium and the rhenium Get price

Thermal Conductivity of Rhenium (Re) [ Color, Uses,

Heat transfer depends on a material property called thermal conductivity, even in an material as small as an atom of Rhenium. Ok, so what is the thermal conductivity of an atom of Re? Note: Learn more about the thermal conductivity here. In the case of Rhenium, thermal conductivity is 0.479 W/cmK. Get price

INTERNATIONAL SYMPOSIUM ON RHENIUM AND

Plastic response of rhenium (Re) produced by powder metallurgy (PM) and chemical vapor deposition (CVD) was investigated under uniaxial compression. The PM Re was also cold rolled by 50% and 80% reduction (denoted as PM50 and PM80, respectively) in thickness. Get price

INTERNATIONAL SYMPOSIUM ON RHENIUM AND

Mixtures of molybdenum and rhenium powders with particle size distribution bearing 2m average, were prepared in a planetary mill to yield the Mo-25%Re and Mo50%Re compositions. Tablets were then obtained by compaction at various pressures in the range of 300 to 800 MPa. Get price

The solubility of rhenium in silicate melts: Implications for the geochemical properties of rhenium

PII S0016-7037(01)00582-8 The solubility of rhenium in silicate melts: Implications for the geochemical properties of rhenium at high temperatures W. ERTEL,1,† H. ST.C.O'NEILL,2,*P.JSYLVESTER,3 D. B. DINGWELL,1,‡ and B. SPETTEL4 1Bayerisches Geoinstitut, Universitat Bayreuth, Get price

Rhenium: a hidden asset

In addition to PGMs, many of these catalysts also contain another valuable precious metal, rhenium (Re), which is usually used in combination with platinum. The most common use of this particular catalyst formulation is for reforming naphthas into other desirable products. Get price

INTERNATIONAL SYMPOSIUM ON RHENIUM AND

Plastic response of rhenium (Re) produced by powder metallurgy (PM) and chemical vapor deposition (CVD) was investigated under uniaxial compression. The PM Re was also cold rolled by 50% and 80% reduction (denoted as PM50 and PM80, respectively) in thickness. Get price

Technical data for the element Rhenium in the Periodic Table

Rhenium Symbol Re Atomic Number 75 Atomic Weight 186.207 Density 21.02 g/cm 3 Melting Point 3186 C Boiling Point 5596 C Thermal properties Phase Solid Melting Point 3186 C Boiling Point 5596 C Absolute Melting Point 3459 K Absolute Boiling Point Get price

A Medley of Potpourri: Rhenium

Rhenium is a chemical element with the symbol Re and atomic number 75. It is a silvery-gray, heavy, third-row transition metal in group 7 of the periodic table.With an estimated average concentration of 1 part per billion (ppb), rhenium is one of the rarest elements in the Earth's crust.. Get price

What Is Rhenium And What Are Its Applications?

Re is the fourth densest element on earth after Osmium, Iridium, and platinum. Rhenium comes with a hexagonal closely-packed crystal structure plus a lattice parameter of c=445.6pm and a=276.1pm. Commercially, Rhenium exists in powder form, but it can Get price

Rhenium: a hidden asset

In addition to PGMs, many of these catalysts also contain another valuable precious metal, rhenium (Re), which is usually used in combination with platinum. The most common use of this particular catalyst formulation is for reforming naphthas into other desirable products. Get price

Rhenium

Rhenium (atomic number 75, symbol Re) is a metal with a silvery-white color, high density, and high melting point. Only platinum, osmium, and iridium have higher densities than rhenium. It is a transition metal that is solid at room temperature and has similar chemical properties to Get price

INTERNATIONAL SYMPOSIUM ON RHENIUM AND

Mixtures of molybdenum and rhenium powders with particle size distribution bearing 2m average, were prepared in a planetary mill to yield the Mo-25%Re and Mo50%Re compositions. Tablets were then obtained by compaction at various pressures in the range of 300 to 800 MPa. Get price

Rhenium

Rhenium (atomic number 75, symbol Re) is a metal with a silvery-white color, high density, and high melting point. Only platinum, osmium, and iridium have higher densities than rhenium. It is a transition metal that is solid at room temperature and has similar chemical properties to Get price

Atomic and nuclear properties of rhenium (Re)

Atomic and nuclear properties of rhenium (Re) Quantity Value Units Value Units Atomic number 75 Atomic mass 186.207(1) g mole-1 Specific gravity 21.02 g cm-3 Mean excitation energy 736.0 eV Minimum ionization 1.143 MeV g-1 cm 2 24.02 192.8 g cm-2 Get price

Spectroscopic and Photophysical Properties of

The electronic, vibrational, and excited-state properties of hexanuclear rhenium(III) chalcogenide clusters based on the [Re 6 (μ 3-Q) 8] 2+ (Q = S, Se) core have been investigated by spectroscopic and theoretical methods. Ultraviolet or visible excitation of [Re 6 Q 8] 2+ clusters produces luminescence with ranges in maxima of 12 500−15 100 cm-1, emission quantum yields of 1−24%, and Get price

Isotopes of rhenium

Naturally occurring rhenium (75 Re) is 37.4% 185 Re, which is stable, and 62.6% 187 Re, which is unstable but has a very long half-life (4.1210 10 years). Among elements with a known stable isotope, only indium and tellurium similarly occur with a stable isotope in lower abundance than the long-lived radioactive isotope. Get price

Tuning the Electronic and Photonic Properties of

Here, in situ rhenium (Re) doping of synthetic monolayer MoS 2 with ≈1 at% Re is demonstrated. To limit substrate film charge transfer, r ‐plane sapphire is used. Electronic measurements demonstrate that 1 at% Re doping achieves nearly degenerate n‐type doping, Get price

Rhenium Alloys: Rhenium materials, manufacturing and

Rhenium and rhenium containing alloys are unique with high melting points, high moduli of elasticity and excellent high temperature mechanical properties. The most common rhenium containing alloys are molybdenum 41% rhenium (Mo41%Re) and molybdenum 47.5% rhenium (Mo-47.5%Re). Get price

NASA Technical Reports Server (NTRS)

2013/9/6Rhenium material properties Tensile data were obtained from four different types of rhenium at ambient and elevated temperatures. The four types of rhenium included chemical vapor deposition (CVD) and three powder metallurgy (PM) types, i.e., rolled sheet and pressed and sintered bars, with and without hot isostatic pressure (HIP) treatment. Get price