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Results 421 - 430 of 2050 for Primary Metal
  • Article - 21 Jan 2002
    A comprehensive overview of tungsten including history, occurrence, deposits, supply, mining and benficiation, prising, processing, recycling, toxicity and applications.
  • Article - 15 Jan 2002
    Zirconium is usually contaminated with hafnium due to their chemical similarity. It is resistant to most solvents and performs well in nuclear reactors, where most zirconium metal is used.
  • 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 - 24 Sep 2001
    New technologies are being developed for the steel industry to enhance efficiency and productivity and ensure competitiveness. Some of these include electric arc furnaces and new casting technologies....
  • Article - 29 Jul 2001
    Black was the first person to recognize magnesium (Mg) as an element in 1755. Later, in 1808, Davy isolated this element by evaporating mercury from a magnesium amalgam.
  • Article - 29 Jul 2001
    Molybdenum is silvery-white, very hard refractory metal, however, it is softer and more ductile than tungsten and is readily worked or drawn into very fine wire. Primary uses are as an alloying...
  • Article - 20 Jul 2001
    In its pure state chromium is a steel-silvery grey with bluish tinge lustre. It is an extremely hard metal that takes a high polish. As a coating it has no capilliary action to oil and water. Its main...
  • Article - 20 Jul 2001
    Beryllium is a high melting point metal with low density. It is commonly alloyed with copper, aluminium and nickel. Other applications include aerospace, gyroscopes, radiation detectors and other...
  • Article - 20 Jul 2001
    In 1817, German chemist Friedrich Strohmeyer discovered cadmium from an impurity of zinc carbonate (ZnCO3). Cadmium derives from the Latin term ‘cadmia’ and the Greek word ‘kadmeia’, which are ancient...
  • Article - 16 May 2001
    Stainless steel families including austenitic, ferritic, martensitic, duplex and precipitation hardened are described.

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