| 摘要 |
The invention concerns a composite wear part produced by casting and consisting of a metal matrix whose working face(s) comprise inserts with good resistance to wear, characterised in that the inserts are made from a ceramic moulded blank impregnated with a metal liquid during casting, this moulded blank consisting of 20 to 80 wt.% of a solid homogeneous solution of Al2O3 and 80 to 20 wt.% of ZrO2. |
