| 摘要 |
<p>A method of hard facing a wear surface comprises the steps of forming a tungsten carbide/TSP insert by forming a tungsten carbide body (12) in a mould. After the moulding step, a channel section slot (24) or pocket (24') is created in the body. A TSP body (32) is fitted in the slot/pocket (24/24') so that it is a close sliding fit between the sides (18) of the slot, and is of the same depth as the slot. The TSP is brazed into the slot. The insert has pips (30) on its edges (18) to facilitate welding to a substrate prior to a final brazing step that attaches the insert to the wear surface substrate.</p> |
