| 摘要 |
The present invention relates to a method of making an agglomerated powder mixture by wet milling a powder mixture containing hard constituent powder(s) based on carbides of Ti, Zr, Hf, V, Nb, Ta, Cr, Mo and/or W and >15 wt-% binder phase powder(s) of Co and/or Ni as well as pressing agents and spray drying said slurry. By adding to said powder mixture before milling in addition 0.05-0.50 wt-% of a complex forming and/or pH-increasing/decreasing additive such as triethanolamine, hydroxides or acids, and a thickener in an amount of 0.01-0.10 wt-% agglomerates with excellent flow properties are obtained. |
