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Results 7071 - 7080 of 7369 for aluminium
  • Diamond-Like Carbon Coatings
    Article - 31 Jul 2001
    Diamond-like coatings are carbon films with high hardness, high resistivity and dielectric and optical properties. Deposition by plasma CVD, ion beam and closed field unbalanced magnetron sputter ion...
  • An Insight to Magnesium (Mg)
    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.
  • Lead - An Introduction
    Article - 28 Jul 2001
    Although lead occurs as such in nature, it is rare. Lead is chiefly obtained from galena (PbS) through the process of roasting.
  • Surface Hardening by Ion Implantation
    Article - 19 Jun 2001
    The process of ion implantation is explained and how it is able to form hard, wear resistant surfaces, and ultimately extend component life times.
  • Packaging Materials
    Article - 5 Jun 2001
    Paper, natural fibres, glass, metals and many plastics are used as packaging materials. The reasons for their use and developments in the packaging industry are explained.
  • Beryllium Oxide - Beryllia
    Article - 3 Apr 2001
    Although beryllia is a toxic ceramic in powder form, it has a number of properties that make it useful in industries ranging from electronics, to nuclear applications through to military and...
  • Sintered Silicon Nitride (Si3N4 )
    Article - 3 Apr 2001
    Sintered silicon nitride (Si3NA) can only be densified without pressure with the addition of sintering aids such as magnesia, yttria or alumina.
  • Polyurethanes - An Introduction
    Article - 26 Mar 2001
    An introductory article on polyurethanes. It briefly defines what they are and what they are used for, what forms they can take, uses, advantages and disadvantages.
  • Galvanic Attack - Metallic Corrosion
    Article - 21 Feb 2001
    Due to the electrical potential difference that develops when two dissimilar metals or alloys are connected together in an aqueous solution, the base metal will become anodic and the more noble metal...
  • An Introduction to Metallic Corrosion
    Article - 21 Feb 2001
    Corrosion can be defined as the electrochemical reaction of a material with its environment which results in a degradation of the properties of the metal. It is a redox process.

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