标准摘要
[中文适用范围]： 本国际标准规定了一种重量法，用于测定碳化物和硬质合金中不溶性（游离）碳的质量分数。该方法适用于： - 铪、钼、铌、钽、钛、钒、钨和锆的碳化物； - 这些碳化物与粘结金属的混合物（不含润滑剂）； - 由这些碳化物制成的所有等级的预烧结或烧结硬质合金。 该方法适用于不溶性碳质量分数在 0.02% 至 0.5% 之间的材料。 [外文原描述]： 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 %.
英文名称Hardmetals — Determination of insoluble (free) carbon — Gravimetric method