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Results 341 - 350 of 352 for Jewellery
  • Article - 22 Oct 2012
    Niobium is a soft and light weight metal, and is sometimes also referred to as columbium. It forms a bluish cast when it is exposed to air for a long period of time. Alloys used in aerospace,...
  • Article - 12 Apr 2007
    Feldco International provide sputtering targets made in a vast array of materials in various sizes. A list of applications and indutrsies served for sputtering targets is provided as well as some of...
  • Article - 25 Jun 2016
    Today, most sophisticated materials have to be coated with another material to enhance the material’s appearance or properties. These coatings can either be a protective coating or a passivation...
  • Article - 29 May 2013
    Copper is easiy to mine and refine compared to many other metals. It has been in use for several thousand years. It can be obtained from the ores cupritemalachite, covellite, chalcocite, tenorite,and...
  • Article - 6 Apr 2013
    Silicon carbide is a compound of silicon and carbon with the chemical formula SiC. It occurs in the extremely rare mineral moissanite. Silicon carbide grains are bonded together by sintering to form...
  • Article - 29 Mar 2013
    Diamond is an allotrope of carbon wherein carbon atoms are arranged in the form of a diamond cube. Diamond is transparent to opaque due to its optical isotropic properties.
  • Article - 30 Jul 2012
    Brasses or copper zinc alloys have excellent corrosion resistance and strength. Brasses are easily cold worked and contain good ductility and strength. Copper zinc alloys with about 35% of zinc are...
  • Article - 5 Feb 2016
    Many years ago, ferrous materials were rare, and were found only as debris of meteorites. Iron and its alloys were used only for accessories, such as cultural items or jewelry.
  • Article - 12 Jan 2009
    Silica/Zircon Ceramics for Metal Casting is small, thin cross section parts where good thermal stability is required.
  • Article - 12 Jan 2009
    Certech has been meeting the needs of the investment casting industry with a broad line of complex injection molded ceramic components.