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Results 1271 - 1280 of 1355 for Powders
  • 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...
  • Article - 9 Oct 2001
    Zeta potential is the energy required to shear the particle as well as its internal layer of counter-ions away from the external layer/bulk medium. It is measured in millivolts.
  • Article - 3 Oct 2001
    Mullite is the mineralogical name for the only chemically stable intermediate phase in the SiO2–Al2O3 system. The mineral rarely occurs in its natural form, and can be found on the Isle of Mull off...
  • Article - 28 Sep 2001
    Hot Isostatic Pressing (HIP) is a forming process combining simultaneous heat and pressure to consolidate metal and/or ceramic powders. It produces fully dense materials and can bond materials that...
  • Article - 24 Sep 2001
    By applying heat and air pressure or tool movement, superplastically formed aluminium alloys can be stretched and formed.
  • Article - 24 Sep 2001
    Porous ceramic foams have emerged as a viable alternative to refractory ceramic fibres since they were classified as carcinogenic. Hi-Por is a ceramic foam that has similar properties to FCFs without...
  • Article - 14 Sep 2001
    Cold spraying is a coating technology similar to thermal spraying, but carried out at ambient temperatures. It has the advantage that coatings do not need to cool from elevated temperatures and hence...
  • Article - 10 Sep 2001
    UHMWPE has exceptional toughness and wear resistance, combined with an excellent chemical resistance. Relative advantages, disadvantages and applications are listed together with a table of typical...
  • Article - 5 Sep 2001
    Contains a general overview of the polymer Polytetrafluoroethylene including relative advantages, disadvantages and applications, together with a table of typical properties.
  • Article - 27 Aug 2001
    Complications such as dental stomatitis are associated with wearing of dentures. Such problems could potentially be avoided by the use of a controlled drug delivery system incorporated into a smart...