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Results 1241 - 1250 of 1337 for Powders
  • Article - 19 Dec 2001
    Hafnium has a bright silver luster and is naturally ductile. The metal has a tightly-packed hexagonal crystal structure. It also has excellent resistance to corrosion.
  • Article - 18 Dec 2001
    Gallium is present as a trace element in germanite, sphalerite, diaspore, coal, and bauxite. Although this metal occurs naturally in approximately the same amount as lead, it is extensively dissipated...
  • Article - 13 Dec 2001
    Silica is one of the most abundant oxides in the earths crust. It exists in 3 crystalline forms as well as amorphous forms. It hasmany useful properties and is used in a range of applications such as...
  • Article - 29 Nov 2001
    Powder injection moulding (PIM) and powder co-injection moulding (PCM) are similar to polymer injection moulding. They are used to produce shaped components from powders and are suited to ceramic,...
  • Article - 29 Nov 2001
    Ceramic brazing techniques are used to join ceramics to other materials. Sometimes the use of intermediate layers are required to increase wetting of the materials to enable creation of a suitable...
  • Article - 27 Nov 2001
    Zinc coatings applied by from molten baths, electrochemical means, metallizing and mechanical plating etc onto structural steel can help protect it against corrosion. These methods and the properties...
  • Article - 23 Nov 2001
    Materials with grain sizes in the order of a billionth of a meter are called nanomaterials, or nanocrystalline materials, which can be used for a range of structural and non-structural applications.
  • Article - 17 Nov 2001
    Currently, finite element analysis can be applied to highly non-linear problems involving complex geometries, inelastic material behavior, and fluctuating process conditions of ceramics.
  • Article - 7 Nov 2001
    Vinyl roofing offers a clean, quick and safe alternative to built up roof designs, while many existing roofing systems involve a flexible vinyl membrane.
  • Article - 31 Oct 2001
    Vinyl wall coverings are used in both residential and commercial applications for aesthetic and practical reasons. Properties, design considerations, types, installation, maintenance, manufacturing...