wire feed metal deposition anybody?

I know a lot of you are already aware of this approach, but there is very little info on the google or the bing. How hard would it be to take this kind of print head and use the same exact designs (mendel, prusa ect) to make a cheap diy metal printer. I don't think this will require a vacum chamber. http://www.ifm.eng.cam.ac.uk/research/cip/completed/wfmd/][/url]

... I've done something similar with 10 to 30 microns thick wires from gold and platinum and a 30k€-disk-laser ... for other non precious metals you'll need inert gas ... and for thicker metal wires the melting (not evaporating/cutting!) parameters gets much more complex to melt the complete wire to the bottom contacting the solid surface ...

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Viktor
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this can be done with solder, or pure gold.

The article doesn't explain the deposition technique.
Varying the pressure is not new.
No articles produced by this process is depicted.
Feeding wire into a melt chamber is not new to metal rapid prototyping.

What is novel about this?
What metal are they processing?
Any links to papers from this article?

I'm not going to chase this one down, as it looks like they copied previous methods.
But if incorrect in my assumptions, I would like to be proven wrong.

A2

Quote
aduy
this can be done with solder, or pure gold.

or a Bismuth alloy, some melt as under 200F.

Metal FDM