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  • Nickel-Titanium Shape Memory Alloys
    Article - 19 Apr 2002
    The basis of the nickel-titanium shape memory alloy (SMA) class is the intermetallic equiatomic binary alloy NiTi. Thanks to its moderate solubility range, its composition can be changed.
  • Zinc Rich Paint versus Hot Dip Galvanising
    Article - 26 Feb 2002
    The debate over which of these coatings offers better protection has raged for years. While no direct comparison can be made the subject is discussed and the merits and problems associated with zinc...
  • Estimating the Lifetime of Galvanized Coatings
    Article - 26 Feb 2002
    Galvanized coatings have extraordinary properties than other protective coatings, in their resistance to oxidation and weathering. When paint coatings are breached, they become degraded by under-film...
  • Galvanizing - Electrochemical Protection for Steel
    Article - 26 Feb 2002
    The source of the term “galvanizing” is not really related to protecting steel from corrosion. The term was derived from the name of Italian physiologist Luigi Galvani.
  • Titanium - Surface Treatments and Cleaning
    Article - 14 Feb 2002
    Surface treatments are applied to titanium for a variety of reasons such as prevention of galling. Recommendations are also made for acid and brush cleaning of titanium components.
  • Stainless Steel - Surface Contamination in Fabrication
    Article - 2 Jan 2002
    Optimum corrosion resistance for stainless steels can be influenced by how clean the surfaces are. This can be affected during fabrication with the most likely contaminants being mild steel, chloride...
  • Zirconia - Physical and Mechanical Property Comparison of the Different Types of Zirconias
    Article - 9 Oct 2001
    There are several different types of zirconia such as partially stabilised versions and tetragonal zirconia polycrystals.
  • Nickel Chrome Alloys - Properties and Applications
    Article - 24 Sep 2001
    Nickel/chromium alloys have excellent oxidation resistance, wear-resistance and high-temperature properties. Typical applications include heating elements and thermocouples.
  • Cobalt - Based Carbide - Hardened Alloys - Nature and Properties
    Article - 13 Sep 2001
    Cobalt-based carbide-hardened alloys consist of approximately 40-70% Co and 20-30% Cr. They have excellent high temperarture creep resistance due to carbide strengthening mechanisms. Chromium provides...
  • 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,...

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