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Results 581 - 590 of 2050 for Primary Metal
  • Article - 18 Dec 2001
    Marignac first isolated gadolinia, an oxide of gadolinium (Gd), in 1880. Then, in 1886, Lecoq de Boisbaudran successfully separated the element from Mosander’s “yttria.”
  • Article - 26 Oct 2001
    Grade 430 is a non-hardenable grade that combines good corrosion resistance, formability and useful mechanical properties. It is resistant to nitric acid making it useful in the chemical industry, but...
  • Article - 24 Sep 2001
    Although production costs for composite materials (polymer, ceramic and metal matrix) are coming down, it is difficult for them to become accepted materials for aeroengine applications. Thus article...
  • Article - 14 Sep 2001
    Relative advantages, disadvantages and applications are listed.
  • Article - 30 Aug 2001
    Better maximum operating temperature, HDT and elongation at break than unmodified PVC. Relative advantages, disadvantages and applications are listed together with a table of typical properties.
  • Article - 20 Aug 2001
    Properties such as low density, good strength at elevated temperatures, high strength and excellent corrosion resistance have seen titanium used extensively in industries such as aerospace, process...
  • Article - 3 Aug 2001
    Furanes have better chemical resistance than Epoxies or Polyesters to acids, alkalies and solvents. They have poor adhesion to porous surfaces and higher cure shrinkage than Epoxies. Relative...
  • Article - 31 Jul 2001
    The reprocessing of nuclear fuels is a complex one. Materials such as concrete, stainless steels, titanium, zirconium, hafnium and various polymers all play a role and have been selected for their...
  • Article - 23 Jul 2001
    Ancient Chinese and Hindus were familiar with mercury (Hg). The metal was also found in Egyptian tombs of 1500 BC. Mercury rarely occurs as such in nature.
  • Article - 21 Jul 2001
    Silver metal in its pure state has a brilliant white metallic lustre and it is a little harder than gold and is very ductile and malleable. It has 3 commercial types and applications in jewellery,...

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