| 摘要 |
<p>Disclosed is an improved implement comprising a cemented carbide supported composite abrasive compact which is brazed to a cemented carbide substrate with a brazing filler metal having a liquidus substantially above 700 DEG C. The composite compact preferably is a composite polycrystalline diamond compact. The brazing filler metal is a brazing alloy which has the following composition, by weight: Pd 20-80% Cr 2-13% B 1-4% Ni balance. p</p> |
