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Results 201 - 210 of 1653 for Measuring devices
  • Hardness Testing - Brinell Hardness
    Article - 29 Jul 2015
    Brinell hardness testing is one of several hardness testing regimes commonly employed. It uses a larger indenter than most other methods and as such provides a good indication of the hardness of the...
  • Hardness Testing - Rockwell Hardness
    Article - 9 May 2002
    The Rockwell hardness test is one of a number of widely used techniques. How it works, the different scales, interpreting hardness values and the modified test for sheet materials are all covered.
  • Copper / Aluminium / Nickel Shape Memory Alloys
    Article - 22 Apr 2002
    CuAlNi alloys are the second most popular family of SMA's. They have transformation in the range 80-200°C and are much cheaper to produce than NiTi alloys. Advantages, compositions, manufacture and...
  • The Mohs Scale of Hardness
    Article - 12 Apr 2002
    The Mohs scale of hardness is a comparitive technique, usually used for minerals. It rates the hardness of materials on a scale of 1 to 10 based on a simple scratch test.
  • Vickers Hardness Testing
    Article - 12 Apr 2002
    Vickers is one of the most popular hardness testing techniques. It is a form of microhardness that uses a square pyramid diamond indenter and is suitable for a wide range of materials. Unlike other...
  • An Introduction to Palladium
    Article - 28 Mar 2002
    In 1803, Wollaston discovered the palladium metal. It occurs along with other metals belonging to the platinum group in Placer deposits in Australia, Russia, Ethiopia, North America, and South...
  • Nickel Chrome Alloys - Properties and Applications
    Article - 24 Sep 2001
    Nickel/chromium alloys have excellent oxidation resistance, wear-resistance and high-temperature properties. Typical applications include heating elements and thermocouples.
  • Styrene Acrylonitrile - SAN Fire Retardant
    Article - 18 Sep 2001
    Very good flame retardant characteristics (VO>2) compared with unmodified SAN (HB). Relative advantages, disadvantages and applications are listed together with a table of typical properties.
  • Polymethylpentene - TPX
    Article - 10 Sep 2001
    TPX has a very low density (0.83g/cm3) and is transparent. Has a reasonably high continuous use temperature (approx. 75°C (170°F)) and may be autoclaved for sterilisation. Good high frequency...
  • Gobel X-Ray Mirrors
    Article - 23 Aug 2001
    Gobel mirrors are special mirrors designed for the reflection of x-rays. Produced using pulsed laser deposition they have advantages such as increased primary intensity, more forgiving in the area of...

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