Over on Don Fogg's forum a guy posted the steps he used to alloy a metorite to be used in pattern welding. It is very facinating to see the steps.

http://www.scrimshaw.fr/anglais/pages/nigredo.htm

I love this kind of adventurism in knife makers. No bounds, just plow right on in see what's on the other side. This knifemaker was very kind to show these processes.