| 摘要 |
<p>The invention concerns a pre-alloyed metal powder essentially consisting of at least two transition metals selected among iron, cobalt, nickel, copper and zinc, and also capable of containing molybdenum, as well as sintered parts obtained using said powders. Said powders have elementary grain size greater than 200 nm and less than 5 νm. The invention is particularly useful for making special steel parts or for making cutting or grinding tools.</p> |
