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Results 621 - 630 of 967 for Metal oxides
  • Microwave Sintering of Metals
    Article - 9 Oct 2001
    Metallic powders are good absorbers of microwaves and can be sintered by microwave radiation. Processing in this way has advantages over conventional methods including faster and more energy efficient...
  • Diamond-Like Carbon Coatings
    Article - 31 Jul 2001
    Diamond-like coatings are carbon films with high hardness, high resistivity and dielectric and optical properties. Deposition by plasma CVD, ion beam and closed field unbalanced magnetron sputter ion...
  • Tungsten
    Article - 28 Jul 2001
    Tungsten has the highest melting point (3410°C) and the highest tensile strength at temperatures over 1650°C of all the metals. It is used for lamp filaments, x-ray targets, aerospace applications and...
  • Calcium
    Article - 20 Jul 2001
    Calcium (Ca) is placed in group IIA of the periodic table along with St, Ba and Ra. The name calcium is derived from the Latin word “calas” meaning lime, which was known as early as the first...
  • Titanium Diboride (TiB2) - Properties and Applications
    Article - 18 May 2001
    TiB2 is an extremely hard material with an extremely high melting point. These properties lend it to uses as ballistic armour, cathodes in Hall-Heroult cells for aluminium smelting as well as seals...
  • Aluminium - The Resource
    Article - 23 Apr 2001
    Aluminium is one of the most abundant elements in the earths crust. The extraction, refining and environmental impacts of these processes are considered, as are recycling, and future product and...
  • An Introduction to Materials on Display
    Article - 11 Apr 2001
    This article looks at technologies that have been used for displays for video output. The materials and technologies associated with emerging technologies such as LCD's, PDP's, FED's are described as...
  • Beryllium Oxide - Beryllia
    Article - 3 Apr 2001
    Although beryllia is a toxic ceramic in powder form, it has a number of properties that make it useful in industries ranging from electronics, to nuclear applications through to military and...
  • Zirconium Carbide (ZrC)
    Article - 3 Apr 2001
    The lack of a fully developed, commercially viable sintering process has limited the use of zirconium carbide (ZrC) in engineering applications.
  • Sintered Silicon Nitride (Si3N4 )
    Article - 3 Apr 2001
    Sintered silicon nitride (Si3NA) can only be densified without pressure with the addition of sintering aids such as magnesia, yttria or alumina.

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