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  • The Manufacturing Process for Cemented Tungsten Carbides (.pdf)
    General Carbide is a leading manufacturer of tungsten carbide preforms and blanks used in wear, cutting and metalforming operations worldwide. The founder of General Carbide, the late Mr. Premo J.Pappafava (1926-2002), published a paper early in his career which, to this day, is a lasting
  • Designer's Guide to Tungsten Carbide (.pdf)
    . It competes with advanced ceramics in the wear parts arena but just as tungsten carbide did not totally displace tool steel, advanced ceramics cannot replace tungsten carbide.
  • Refractory Hard Metals
    Refractory hard metals (RHMs) are a ceramiclike class of materials made from metal-carbide particles bonded together by a metal matrix. Often classified as ceramics and sometimes called cemented or sintered carbides, these metals were developed for extreme hardness and wear resistance. The RHMs
  • Making Single Facer Bearings Last the Life of the Rolls (.pdf)
    is the material that actually guards against bearing wear, the lubricant itself becomes an important part of any PM program. Proper lubricant selection has recently become more critical with the increased use of tungsten carbide as a coating on rolls. Compared to the more traditional chrome coating, tungsten
    Functionally, the ability of a tungsten carbide/steel assembly to succeed mechanically in severe service valve component applications is dependent upon the strength and reliability of the method of attachment. In common use today is a brazed assembly, employing standard braze procedures to achieve
  • Thermal spray: Better performance for less
    , directional sink and stabilizer rolls coated with tungsten carbide resist wear and corrosion. Much as in the steel industry, paper mills coat rolls in paper-converting lines. Besides mitigating wear, coatings also aid release and protect the quality of the paper product. Oil and gas industries employ
  • Slick as a whistle, hard as a rock
    exotic alloys. But it isn't as compatible with some metallic substrates, including magnesium, aluminum, tungsten carbide, and those with high zinc and molybdenum content. However, methods have been identified for successfully applying Nibron on aluminum and developments for coating magnesium are underway
  • Tough Coatings
    . For example, various tungsten carbide/carbon (WC/C) and diamondlike carbon (DLC)-coated valve train and transmission components used in racing motorcycles reportedly improve power output and torque throughout the entire rpm range. Measurements using a dynamometer, or dyno for short, have shown

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