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  • Stainless Steel - Grade 431 (UNS S43100)
    Article - 7 Nov 2001
    431 is the most corrosion resistant of the martensitic grades. It has excellent tensile and torque strengths and toughness. Consequently it is suited to bolts and shaft applications e.g. nuts and...
  • Silica-Based Nanocomposites
    Article - 9 Oct 2001
    Manufactured by sol-gel processes these materials are becoming more popular. One type is the silsesquioxane cage structure and is close to commercialisation. Also called polyhedral oligomeric...
  • Composites for Aeroengines
    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...
  • Abradable Coatings Increase Gas Turbine Engine Efficiency
    Article - 23 Aug 2001
    The use of abradable coatings has enabled increased efficiency gas turbine engines by reducing the clearances between fan and shroud and increasing the operating temperature. They can be applied to...
  • Polyimide - PI 25% Graphite Lubricated
    Article - 16 Aug 2001
    Best friction and wear characteristics of the polyimides, however, reductions in tensile strength and elongation at break result. Relative advantages, disadvantages and applications are listed...
  • Rare Earth Magnets
    Article - 7 Aug 2001
    Rare earth magnets produce fluxes much higher than traditional magnets of comparable size. Such magnets are based on samarium and neodymium compounds. Applications include automotive,...
  • Epoxy MC Mineral and Glass Fibre Reinforced Glass Prepreg
    Article - 3 Aug 2001
    Relative advantages, disadvantages and applications are listed together with a table of typical properties.
  • Self Propogating High Temperature Synthesis of Magnetic Materials
    Article - 31 Jul 2001
    SHS is a process where materials react during a rapid solid state spontaneous reaction at very high temperatures. The rapid heating and cooling and elevated temperatures allow the production of novel...
  • Heat Treatment of Steels - The Processes
    Article - 9 Jun 2001
    Softening processes such as annealing and normalising, and hardening processes such as hardening, tempering, thermochemical processes, carburising, nitriding and boronising are all explained.
  • Hydrogenated Nitrile Rubber
    Article - 7 Jun 2001
    Hydrogenated nitrile rubber (HNBR) is a viable alternative to polychloroprene for many automotive applications such as timing belts, seals and hoses. It has excellent mechanical, thermo-oxidative and...

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