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Results 811 - 820 of 991 for Aluminium oxide
  • Article - 23 Jul 2001
    Uranium is a heavy, silver-white metal resembling nickel. It is malleable, ductile, slightly paramagnetic and pyrophoric when finely divided. Its main uses are as a nuclear fuel, radioactive isotope...
  • Article - 20 Jul 2001
    Silicon is synthesized commercially by heating carbon and silica in an electric furnace, using carbon electrodes.
  • Article - 20 Jul 2001
    In its pure state chromium is a steel-silvery grey with bluish tinge lustre. It is an extremely hard metal that takes a high polish. As a coating it has no capilliary action to oil and water. Its main...
  • Article - 20 Jul 2001
    Cerium is the most abundant of the rare earth metals. It is malleable and oxidises readily at room temperature. It is used in pyrophoric alloys for cigarette lighters and in the making of some...
  • Article - 20 Jul 2001
    Bismuth is one of few metals that increase in volume upon solidification. It is the most diamagnetic of metals and has the second lowest thermal conductivity. Uses are catalysts, fire protection,...
  • Article - 6 Jun 2001
    Developments in the steel industry are helping stave off challenges from alternative materials such as aluminium and plastics in the automotive industry. Steel still dominates for many reasons which...
  • Article - 29 May 2001
    Joining of MMCs is not always as easy as using technologies applicable to matrix material. This is the case for reinforced aluminium. Fusion welding, tungsten inert gas welding, solid state welding...
  • Article - 24 May 2001
    Various thermoplastics such as acrylonitrile butadiene styrene, fluoropolymers, polyamides, polyarylates, polycarbonate, polysulphones, thermoplastic polyesters and polyimides, polyoxymethylene,...
  • Article - 11 Apr 2001
    An innovative titanium casting technology developed by Taramm is outlined. It incorporates vaccum melting and pouring and uses purpose designed moulds which generates a magnetic field resulting in...
  • Article - 14 Feb 2001
    Refractories are defined and aspects such as refractoriness, operating conditions, porosity and forms are explored. Their application in furnace linings is also explained.