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2 edition of Nitride intermediates in the preparation of columbium, vanadium, and tantalum metals (in two parts) found in the catalog.

Nitride intermediates in the preparation of columbium, vanadium, and tantalum metals (in two parts)

Ronald Guidotti

Nitride intermediates in the preparation of columbium, vanadium, and tantalum metals (in two parts)

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  • 35 Currently reading

Published by U.S. Dept. of the Interior, Bureau of Mines in Washington .
Written in English

    Subjects:
  • Nitrides,
  • Niobium,
  • Vanadium,
  • Tantalum

  • Edition Notes

    Bibliography: p. 23-25

    Statementby R. A. Guidotti, G. B. Atkinson, and D. G. Kesterke
    SeriesReport of investigations - Bureau of Mines ; 8079
    ContributionsAtkinson, G. B., Kesterke, D. G, United States. Bureau of Mines
    The Physical Object
    Pagination[2], ii, 25 p. :
    Number of Pages25
    ID Numbers
    Open LibraryOL14914603M

    The Physical Metallurgy of Vanadium Steels. Because the solubilities of vanadium carbide and vanadium nitride are very different, the relative amounts of carbon and nitrogen in vanadium steels . Tantalum Nitride Nanoparticles: UHTC materials are typically considered to be the carbides, nitrides, and borides of the transition metals, but the Group IV-V compounds (Ti, Zr, Hf, Ta) due to the superior . Hexagonal Boron Nitride Powder is known for its lubricious properties and is an extremely popular dry lubricant. The material has excellent thermal stability and chemical inertness and is therefore often .


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Nitride intermediates in the preparation of columbium, vanadium, and tantalum metals (in two parts) by Ronald Guidotti Download PDF EPUB FB2

Nitride intermediates in the preparation of columbium, vanadium, and tantalum metals (OCoLC) Online version: Guidotti, Ronald A.

Nitride intermediates in the preparation of vanadium, vanadium, and tantalum metals (OCoLC) Material Type: Government publication, National government publication: Document Type: Book. Nitride intermediates in the preparation of vanadium, vanadium, and tantalum metals (in two parts). Pittsburgh: U.S.

Dept. of the Interior, Bureau of Mines, (OCoLC) Nitride intermediates in the preparation of columbium, vanadium, and tantalum metals: (in two parts) [Ronald A. Guidotti] on *FREE* shipping on qualifying offers. Phase diagram. The Tantalum - Nitrogen system includes several states including a nitrogen solid solution in Tantalum, as well as several nitride phases, which can vary from expected stoichiometry Vanadium formula: Vanadium.

Preparation of columbium and and tantalum metals book by metallic reduction of their chlorides / (Washington, D.C.: U.S. Dept. of the Interior, Bureau of Mines, ), by Thomas T. Campbell (page images at HathiTrust). Niobium nitride is a compound of niobium and nitrogen with the chemical formula NbN.

At low temperatures (about 16 K) NbN, niobium nitride becomes a superconductor, and is used in detectors Solubility in water: reacts to form ammonia.

The tantalum atom has a radius of pm and Nitride intermediates in the preparation of columbium Van der Waals radius of pm. Tantalum was first discovered by Anders G.

Ekeberg in in Uppsala, Sweden however, it was not until when. Chemical vapor deposition of vanadium, niobium, and tantalum nitride thin films Renaud Fix, Roy G.

Gordon, and David M. Hoffman Chem. Mater.,5 (5), pp –   A novel group of nitrided alloys having excellent wear and abrasion resistance containing as their major constituent at least two metals of the group columbium, tantalum and vanadium and tantalum metals book.

Search results for tantalum nitride at Sigma-Aldrich. Compare Products: Select up to 4 products. *Please select more than one item to compare. tantalum nitride products are offered for sale by suppliers onof which other metals & metal products accounts for 9%, other chemicals accounts for 3%, and machining accounts for 1%.

Tantalum Nitrate is a highly water soluble crystalline Tantalum source for uses compatible with nitrates and lower (acidic) e compounds are generally soluble in water.

Nitrate materials are also. Heats of Formation of Niobium Nitride, Tantalum Nitride and Zirconium Nitride from Combustion Calorimetry Alla D.

Mah, Norma L. Gellert J. Chem. Soc.,78 (14), pp – High temperature thermal properties of thin tantalum nitride films Elah Bozorg-Grayeli,1,a) Zijian Li,1 Mehdi Asheghi,1 Gil Delgado,2 Alexander Pokrovsky,2 Matthew Panzer,2 Daniel Wack,2 and File Size: KB.

Solid state structure. Geometry of vanadium: Prototypical structure: NaCl (rock salt) Element analysis. The table shows element percentages for VN (vanadium nitride).

Titanium nitride (TiN) has been widely used as a coating material, ranging from diffusion barrier in microelectronic industry, to the hard and protective coatings on mechanical tools and decorative File Size: 1MB.

WINning with tantalum nitride. Stephen Oxley, Senior Engineer, Applications and Marketing, TT Electronics. A production process developed by TT Electronics is bringing the high reliability benefits.

The growth and development witnessed today in modern science, engineering, and technology owes a heavy debt to the rare, refractory, and reactive metals group, of which niobium is a member.

The oxynitrides with composition A1-xBx(OyNz) (A: Nb and Ta, B: Al) were studied in preparation through citrate route and NH3 nitridation. In the case of Nb, the product of x = Cited by: 2. The Federal Bureau of Mines has studied the reaction of oxides of niobium, vanadium, and tantalum with ammonia in vertical, gas-solids reactors at temperatures ranging from to °C with Author: Mike Woolery.

dose (~5x atoms/cm2), XRD analysis shows the presence of β-TaNγ-Ta2N, δ-TaN and ε-TaN phases. Raole et al[13] have found that β-TaN, cubic TaN and hexagonal Ta5N6 phases are. TiN, NbN, and TaN nanocrystals have been selectively prepared through a simple, solvent-free, and convenient reaction under autogenic pressure at moderate temperature (RAPET) Cited by: The oxidation of reactively-sputtered, tantalum—nitride thin films has been studied between and K in air.

Films with thicknesses that correspond to sheet resistances of 43, 75, and Ω/ were Cited by: By utilising this method it was found that the use of binary tantalum compounds like tantalum nitride and tantalum carbide could improve the performance of the barrier layers.

The phase relations in the Cited by: Supplier of Metals, Alloys, Ceramics, Polymers, Compounds, Intermetallics & Composites for research & industrial markets. View our small quantity Catalogue. Vanadium Nitride (VN) Material Information.

Buy Vanadium Nitride. on-line. Effect of the nonstoichiometry of tantalum carbide TaC y on the particle size of nanopowders prepared by milling Nitride intermediates in the preparation of columbium, vanadium, and tantalum.

The capacitive energy storage part of VN in 1 M KOH, 1 M LiCl and 1 M LiPF 6 is90 and C g −1, value is the same as at 5 mV s −1 for each electrolytes for the capacitive charge Cited by: Tantalum nitride 5 μm, % trace metals basis; CAS Number: ; EC Number: ; Linear Formula: NTa; find Sigma-Aldrich MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich.

Tantalum nitride (Ta N) is an inorganic chemical compound. It is sometimes used to create barrier or "glue" layers between copper, or other conductive metals, and dielectric insulator films such as. References. The data on these compounds pages are assembled and adapted from the primary literature and several other sources including the following.

Tantalum nitride, tantalum silicide and ruthenium oxide are common resistor materials, although the materials may be changed to suit the resistivity and power handling requirements, temperature.

››More information on molar mass and molecular weight. In chemistry, the formula weight is a quantity computed by multiplying the atomic weight (in atomic mass units) of each element in a chemical. Preparation of low-carbon vanadium nitride.

United States Patent Alternatively, the ammonium metavanadate may serve directly as the feed for vanadium oxynitride. Calcium nitride is a chemical compound.

Its chemical formula is Ca 3 N 2. It contains calcium and nitride ions Properties. It is a red-brown solid. Preparation. It is made by burning calcium in nitrogen. It is Appearance: red-brown crystalline solid.

Supplier of Metals, Alloys, Ceramics, Polymers, Compounds, Intermetallics & Composites for research & industrial markets. View our small quantity Catalogue. Metallic mesocrystal nanosheets of vanadium nitride for high-performance all-solid-state pseudocapacitor Wentuan Bi1, Zhenpeng Hu2, Xiaogang Li1, Changzheng Wu1(), Junchi Wu1, Yubin Wu1 and Yi.

Microbiologically induced corrosion (MIC) of metallic devices/implants in the oral region is one major cause of implant failure and metal allergy in patients. Therefore, it is crucial to develop practical Cited by: In chlorination of organic substances, as an intermediate, and in the production of pure metalTantalum(V) chloride is used in the preparation of catalyst for the polycyclotrimerizations of alkenediynes, chloro.

4 bcc Ta(N) and () peak of hexagonal Ta2N, as their corresponding lattice distance, Å and Å, respectively, are quite close to each other. When the N2 partial pressure is increased to. Vanadium nitride, VN, is a chemical compound of vanadium and nitrogen.

Vanadium nitride is formed during the nitriding of steel and increases wear resistance. [1] Another phase, V 2 N, also referred to. Pdf solubility products of vanadium carbide and nitride in ferritic iron of Fe-V-C and Fe-V-N systems were studied in the temperature range from to °C.

The specimens, after solution treating and .The crystal structure of tantalum nitrides is examined by X-ray and electron diffraction techniques and the following seven phases are identified: TaN ~ (cubic, β-phase), Ta 2 N (hexagonal, γ-phase), δ .Ebook nitride is a chemical compound, a nitride of Tantalum.

There are multiple phases of compounds, stoichimetrically from Ta2N to Ta3N5 including TaN; as a thin film TaN find use as a CAS Number: