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Results 1311 - 1320 of 1322 for Powders
  • Article - 28 Feb 2001
    The advantages, disadvantages, practicalities and design considerations of powder metallurgy processing are considered.
  • Article - 27 Feb 2001
    This article describes the process of ultrasonic welding and describes systems used for the process. It looks at its application to metals and plastics.
  • Article - 23 Feb 2001
    Hydroxyapatite is a calcium phosphate ceramic that is used as a biomaterial. It one of few materials that elicit an active response in the body and bonds directly to bone. It is also the mineral...
  • Article - 21 Feb 2001
    Ceramic springs have been around as scientific novelty items since the 1970s, produced by a special processing technology. An early example, made at Imperial Chemical Industries (ICI) in the UK in the...
  • Article - 12 Feb 2001
    Boron nitride comes in two forms, hexagonal and cubic boron nitrides. Both are syntheised in different ways. Hexagonal boron nitride is similar in many ways to graphite, while cubic boron nitride...
  • Article - 12 Feb 2001
    Reaction bonded silicon nitride is made by heating a compact of silicon powder under nitrogen gas. It has excellent thermo-mechanical properties and is often used in high thermal shock applications.
  • Article - 9 Feb 2001
    Boron Carbide (B4C) is one of the hardest materials known to man. As such, many of its applications revolve around its wear resistance including such uses as abrasives and nozzles. It also has some...
  • Article - 7 Feb 2001
    Bronzes (sometimes called phosphor bronzes) are alloys of copper and tin. While best known for their historical value they are used for self lubricating bearings, pumps, valves, electrical contacts...
  • Article - 6 Feb 2001
    Magnesia is a highly refractory ceramic material. Applications include refractory bricks and shapes, crucibles, cements, heating elements, crushable bushes, thermocouple tubes, brake linings, plasma...
  • Article - 6 Feb 2001
    Silicon nitride (Si3N4) comes in forms such as reaction bonded, sintered and hot pressed. Excellent thermo mechanical properties have seen this material used for engine parts, bearings, metal...