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Results 131 - 140 of 594 for Manufacture circuit boards
  • Article - 27 Feb 2002
    The addition of buckytubes to polymer matrices can introduce fascinating mechanical, electrical and thermal properties as well as opening the door to a range of new applications. These new...
  • Article - 27 Feb 2002
    Buckytubes are a type of fullerene or perfect carbon structure. The discovery, evolution and structure of single and multiwall buckytubes are considered. Advantages over other materials including...
  • Article - 16 Feb 2002
    The only material that is practically used for electron emitters is tungsten. Although there are other electropositive metals that yield higher emission rates, tungsten has an extremely low vapor...
  • Article - 21 Jan 2002
    Scheele discovered “Tungsten” in 1781; however, it took 150 years more before the efforts of Scheele and his successors led to the use of tungsten carbide in the industry.
  • Article - 30 Nov 2001
    Micro-impact testing is a repetitive technique for evaluating coating adhesion, toughness and resistance to erosive wear. It is able to simulate actual wear conditions more closely than other...
  • Article - 20 Jul 2001
    Gold is most widely known as a precious metal due to its high lustre and chemical inertness. It is also used for coinage, ornaments, jewellery, gilding, textile industry, radiation control,...
  • Article - 20 Jul 2001
    Copper is tough and ductile, but is valuable due its ability to conduct electricity. While it is suited to many applications most centre around its excellent electrical conductivity (e.g. busbars and...
  • Article - 25 Apr 2001
    Similar to DAIP, but better resistance to alkalies. Lower temperature resistance (160°C/320°F compared with 180°C/360°F for DAIP). Tensile strength approximately 10% lower than DAIP.
  • Article - 3 Apr 2001
    Diamond is the hardest material known to man. It also has other properties that make it a useful engineering material such as a low co-efficient of friction and high thermal conductivity. As such it...
  • Article - 30 Mar 2001
    Good heat resistance and tracking resistance. Often used as a coating or laminating resin.

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