I'm not sure if this is the place to discuss this, but here we go!

I've been fiddling with coin mokume, and I only get partial welding between layers. There's also an issue where layers that appear to be welded, de-laminate while the billet is being hammered.

Does anyone have any helpful hints about this, or more reliable ways to do mokume in a home workshop?

-Jim

Ohh yes, i know your problem
Did you make it too hot?
Heat it maximal to darkred if you use silver alloys or medium red at copper alloys.
Quench it often to make it soft, so you don

Jim, Move away from the coins and go on to copper and silver alloy sheets and you will have less de-lamination probs. You should also hard silver solder ( the High temp stuff ) the edges of your mokume billet prior to patterning and drawing out. Mokume doesn't like big changes in shape so if you need a piece 2"x2 " x 1/4 " (finished size ) for a project, start with a stack 2 "x 2 " x 3/8 "

good Luck and happy hammering

Jens