| 摘要 |
<p>According to the invention there is now provided a sintered hard alloy for tools for cutting wood. The alloy according to the invention comprises 30-98 volume-% hard constituents in a binder-phase based on nickel and/or cobalt. The hard constituents comprise oxides, carbides, nitrides and/or borides of Al, Zr, Si and/or Ti, preferably Al2O3, ZrC, ZrO2, SiC, Si3N4 and/or TiB2 with a mean grain size < 1.5 νm, preferably < 1.0 νm. The binder-phase comprises in solution, in weight-%, Co max 90, Ni max 90, Cr 5-45.</p> |
