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Thursday, November 26, 2020 | History

1 edition of Niobium, tantalum, molybdenum and tungsten found in the catalog.

Niobium, tantalum, molybdenum and tungsten

Niobium, tantalum, molybdenum and tungsten

Report of a conference held in the University of Sheffield, 20th-22nd September, 1960, and organized by the Dept. of Metallurgy.

by

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Published by Elsevier Pub. Co in Amsterdam .
Written in English

    Subjects:
  • Niobium -- Congresses,
  • Tantalum -- Congresses,
  • Molybdenum -- Congresses,
  • Tungsten -- Congresses

  • Edition Notes

    16

    ContributionsQuarrell, Arthur George, University of Sheffield. Dept. of Metallurgy
    Classifications
    LC ClassificationsTN"798"Q3
    The Physical Object
    Pagination413p
    Number of Pages413
    ID Numbers
    Open LibraryOL21662655M


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A narrowly defined class of refractory metals would include metals with melting points > °C: niobium, chromium molybdenum, tantalum, tungsten, and rhenium, while a wider class would also include Author: Lance L.

Snead, David T. Hoelzer, Michael Rieth, Andre A.N. Nemith. Niobium is chemically very similar to Ta. It has a lower melting temperature and at g/cm 3, Nb has the lowest density of all the refractory metals and is thus a leading candidate for applications where.

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Report of a conference held in the University of Sheffield, 20thnd September. [A G Quarrell; University of Sheffield. Tantalum is a chemical element with the symbol Ta and atomic number Previously known as tantalium, it is named after Tantalus, a villain from Greek mythology.

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Characteristics Physical properties. In its pure form, molybdenum is a silvery-grey metal with a Mohs hardness of and a standard atomic weight of g/mol. It has a melting point of 2, °C (4, Pronunciation: /məˈlɪbdənəm/ ​(mə-LIB-dən-əm).

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They all have high melting temperatures and high densities, which increase with. Tantalum is a chemical element with symbol Ta and atomic number Previously known as tantalium, its name comes from Tantalus, a hero from Greek mythology.

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