I have a picture somewhere, I posted it on this forum once but I know that link no longer works.

Its quite specialised and is very expensive at the moment. But like all these things should get cheaper as volumes increase. I think it can be made in a number of ways, the hard part is getting the two materials to bond well. The way we have used it it is hot formed in a mold, a bit like sintering, to get the net shape and is then finish machined.



Gareth