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Results 971 - 980 of 1018 for Aluminium oxide
  • Article - 20 Aug 2001
    Properties such as low density, good strength at elevated temperatures, high strength and excellent corrosion resistance have seen titanium used extensively in industries such as aerospace, process...
  • 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...
  • Article - 29 Jul 2001
    Black was the first person to recognize magnesium (Mg) as an element in 1755. Later, in 1808, Davy isolated this element by evaporating mercury from a magnesium amalgam.
  • Article - 28 Jul 2001
    Although lead occurs as such in nature, it is rare. Lead is chiefly obtained from galena (PbS) through the process of roasting.
  • 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...
  • 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...
  • 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...
  • 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.
  • Article - 6 Mar 2001
    Materials based on silicon carbide are generally employed for their good wear resistance and thermomechanical properties.
  • Article - 21 Feb 2001
    Corrosion can be defined as the electrochemical reaction of a material with its environment which results in a degradation of the properties of the metal. It is a redox process.