Abstract Preview

ISO 3908:2009 specifies a gravimetric method for the determination of the mass fraction of insoluble (free) carbon in carbides and hardmetals.

This method is applicable to

  • carbides of hafnium, molybdenum, niobium, tantalum, titanium, vanadium, tungsten and zirconium,
  • mixtures of these carbides and binder metals, free of lubricant, and
  • all grades of presintered or sintered hardmetals, produced from these carbides,

having a mass fraction of insoluble carbon between 0,02 % and 0,5 %.


General information

  • Status :  Published
    Publication date : 2009-10
  • Edition : 3
    Number of pages : 4
  • :
    ISO/TC 119/SC 4
    Sampling and testing methods for hardmetals
  • 77.160
    Powder metallurgy

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