The specific heats and resistivities of molybdenum, tantalum, …

DOI: 10.1016/0022-5088(64)90124-9 Corpus ID: 95510128; The specific heats and resistivities of molybdenum, tantalum, and rhenium☆ @article{Taylor1964TheSH, title={The specific heats and resistivities of molybdenum, tantalum, and rhenium☆}, author={R. E. Taylor and Rick Avery Finch}, journal={Journal of The Less Common …

Thermocouples for Ultra High Temperature Technologies

Rhenium 26% (-) Tungsten-Rhenium 5% (+) Alloy Combination International Czech British Netherlands German U.S. & Canadian Japanese French ANSI MC 96.1 - ASTM E320 Thermocouple Grade Extension Grade IEC 584-3 BS-1843 DIN 43710 JIS C 1610 NFC 42-324 J K T N E R S B C

Rhenium: Properties, Uses, and Applications – A …

Discover the vital roles of Rhenium in aerospace, industry, and medicine. Learn about its physical and chemical properties, and how it's utilized in cutting-edge applications from …

Compare Tantalum vs Rhenium | Periodic Table Element …

Tantalum Rhenium; History: The element : Tantalum was discovered by G. Ekeberg in year 1802 in Sweden. Tantalum derived its name from King Tantalus, father of Niobe from Greek mythology.The element : Rhenium was discovered by M. Ogawa in year 1908 in Germany. Rhenium derived its name from Rhenus, the Latin name for the river …

2.7: Nomenclature of Ionic, Covalent, and Acid …

Ionic Compounds . Ionic compounds have a [+] cation and a [-] anion. We use the Principle of Charge Neutrality, that is, for an ionic compound to be stable its chemical formula MUST BE NEUTRAL. So you do not need to …

Tantalum

Tantalum was discovered in 1802 by Swedish chemist Anders Gustav Ekeberg while analyzing Scandinavian minerals. He named the third-row early transition metal after the Greek god Tantalus, the son of Zeus, because the oxide was difficult to dissolve in strong acids. Impure tantalum was isolated in 1825 by Swiss chemist Jean-Charles-Galissard …

Refractory metals: Tungsten, tantalum, columbium, and …

Anyone you share the following link with will be able to read this content: Get shareable link. Provided by the Springer Nature SharedIt content-sharing initiative. An …

Suppressing effect of tantalum on the radiation-induced …

Using the first-principles calculations and object kinetic Monte Carlo (OKMC) methods, we systematically investigate the influence of tantalum (Ta) on the behaviors of rhenium (Re) in tungsten (W ...

Refractory Metals (Definition, Examples, and Applications)

Refractory metals are the metallic elements with the highest melting point, high hardness, and high density. Conservative definitions of "refractory" refer to 5 industrially useful metals with a melting point >2000°C: tungsten (W), rhenium (Re), tantalum (Ta), molybdenum (Mo), and niobium (Nb). Broader definitions include up to …

Suppressing effect of tantalum on the radiation-induced …

Using the first-principles calculations and object kinetic Monte Carlo (OKMC) methods, we systematically investigate the influence of tantalum (Ta) on the behaviors of rhenium (Re) in tungsten (W) without and with irradiation defects, i.e., vacancies and self-interstitial atoms (SIAs). Due to the attractive interaction of Ta-Re pair, the Ta atoms …

Rhenium (Re)

Rhenium is a chemical element with the atomic number 75 in the periodic table. It's one of the rarest elements found in Earth's crust. Being a member of the transition metals group of elements, this rare metal element has seven valence electrons that make it a chemically inert substance to most fuel gases except oxygen.Its chemical compounds …

Biocompatibility and osteogenesis of refractory metal …

DOI: 10.1016/S0142-9612(00)00275-1 Corpus ID: 20084604; Biocompatibility and osteogenesis of refractory metal implants, titanium, hafnium, niobium, tantalum and rhenium. @article{Matsuno2001BiocompatibilityAO, title={Biocompatibility and osteogenesis of refractory metal implants, titanium, hafnium, niobium, tantalum and …

Discovery, properties and applications of rhenium and its …

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. …

What Are the Uses of Rhenium? | Refractory …

One of the important uses of rhenium is as a catalyst in the petrochemical industry because rhenium and its compounds have excellent catalytic activity. At present, the consumption of rhenium in this field in the world …

RFH-About Us

RFH is an integrated supplier of Tantalum, Niobium, Molybdenum, Tungsten, Rhenium, Hafnium & Ruthenium etc. Strategic metals. We provide customers one-stop …

Biocompatibility and Osteogenesis of Refractory Metal …

To evaluate the biocompatibility of refractory metals, titanium, hafnium, niobium, tantalum and rhenium were implanted in rats, and histological observation and elemental mapping were performed by ...

Tantalum: Properties, Uses, Applications & Facts

Explore the comprehensive guide on Tantalum, a transition metal known for its high melting point and corrosion resistance. Discover its properties, uses in electronics, aerospace, medical applications, and more. Learn about its historical background, chemical reactions, and safety precautions.

Tantalum

Tantalum. Tantalum (Ta) has a very high melting point (2996°C), exceeded only by that of carbon, tungsten, and rhenium, and is remarkably resistant to attack by air, water and most acids. Tantalum is a hard, …

Feasibility Study on Production of High-Purity Rhenium …

Keywords: rhenium-185; rhenium-186; tantalum; tungsten; transmutation; fast reactor; JOYO; Monte Carlo code; MVP version3/MVP Burn; medical isotope 1. Introduction Rhenium (Re) has excellent resistance to high temperatures; therefore, it is used in a variety of applications, as evidenced by the fact that it is used to make turbine blades for jet

Discovery, properties and applications of rhenium and its …

Alkoxide complexes of Rhenium, Niobium and Tantalum

1.1 Application of Rhenium, Niobium and Tantalum and their compounds 1.1.1 Rhenium Rhenium and its compounds such as sulphides, oxides, alloys and carbonyl complexes have found application as catalysts in petroleum production, different organic syntheses and radiotherapy. Rhenium metal is broadly used as a component of catalysts for alkylation

Mineral Commodity Summaries 2024

Imports and exports include the estimated tantalum content of synthetic tantalum-niobium concentrates, niobium and tantalum ores and concentrates, tantalum waste and scrap, unwrought tantalum alloys and powder, and other tantalum articles. Synthetic concentrates and niobium ores and concentrates were assumed to contain 50% Ta. 2. O. 5

4f 135s 25p 6-4f 135s 25p 56s transitions in the W VIII

Spectra of hafnium, tantalum, tungsten, and rhenium in the range of 145–350Å, excited in a low-inductive vacuum spark, have been recorded on a grazing-incidence vacuum spectrograph using a ...

Clustering of transmutation elements tantalum, rhenium and …

We find that osmium can easily segregate to form clusters even in defect-free tungsten alloys, whereas extremely high tantalum and rhenium concentrations are required for the formation of clusters. Vacancies greatly facilitate the clustering of rhenium and osmium, while tantalum is an exception. The binding energies of vacancy–osmium …

Rare Metals

Neo Rare Metals produces, reclaims, refines and markets high value niche metals and their compounds. These include tantalum, niobium, hafnium, rhenium, gallium and indium.

17 Metals With the Highest Melting Points (and Why)

The melting point of a material is primarily related to bond strength. Materials with strong bonds between atoms will have a high melting temperature. However, other factors--such as crystal structure, atomic weight, and electron structure--can also influence the melting point. Tungsten, rhenium, osmium, tantalum, and molybdenum are among …

Rhenium Applications | What Is Rhenium Used For?

Rhenium Applications. The previous article, Overview of Rhenium, introduces the discovery history of rhenium (Re), its physical and chemical properties, and magical rhenium effects. In this article, we will take a close look at the rhenium applications. People have tried their best and they only have about 50 tons of rhenium a year.

Rhenium sale

For more than 25 years, our field of activity and the associated daily business has covered the purchase, recycling and sale of special and specialty metals in pure form, such as …

Discovery of Tantalum, Rhenium, Osmium, and Iridium …

1. Discovery of Tantalum, Rhenium, Osmium, and Iridium Isotopes. See page 41 for Explanation of Tables . . . . . 42 1. Introduction The discovery of tantalum, rhenium, osmium, and iridium isotopes is discussed as part of the series summarizing the discovery of isotopes, beginning with the cerium isotopes in 2009 [1].