Hard metals are primarily used as cutting tools or wear parts. The hard metal tools are used in the automotive industry (cutting tool inserts), oil & gas sector (oil drilling/exploration), electronics (PCB drills), dies & mould industry (forming, punching dies), etc.
They consist of fine tungsten carbide particles, which act as the hard and abrasion-resistant component and are bonded with tough, comparatively soft metallic cobalt (Co) or Nickel (Ni). The structure of two-phase WC/Co hard metals is conventionally defined by key parameters such as:
Grain size of the WC phase
Co binder (Grain size /shape)
Volume (or wt) fraction and composition of the Co binder-phase
Umicore provides a full range of fine metallic powders suitable for use in hard metal applications:
Both spherical & elongated type cobalt powders from 0.6µm to 3.5µm, under powder or granulated form
Tungsten carbide powder from 0.7µm to 5µm, possibly with doping
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