h a l f b a k e r yRecalculations place it at 0.4999.
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The canvas is a sheet of metal and the paints are small jars of dissolved metal salts, each with a dedicated brush - a regular paintbrush but with a conducting rod that extends through the handle and halfway into the brush portion.
Since each stroke will have the transparency of a water colour, it
requires several applications to get a solid pigmentation; conversely some metals can be layered on top of each other for mixture and shading.
The matte deposition finish can be polished to a brilliance; even further texture/colour variations can be added, using an oxidation brush, prior to the clear coat paint finish.
There's a separate reversed-polarity tank for cleaning the brushes.
(yes, electroplating brushes exist... for electroplating objects, not producing artwork)
and I want it on this:
Au_20naturel_20car_20finish
custom electroplate job before the clearcoat [FlyingToaster, Jul 27 2010]
Titanium in Technicolor
http://www.popsci.c...itanium-technicolor
Anodising stencils onto titanium. [Loris, Jul 27 2010]
[link]
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Are there enough types of material that can be applied in this manner? many materials require unique substrates or solutions to allow them to be plated. |
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Durable plating needs the right substrate, but many metals
can be plated onto most others, as long as they don't have to
stick firmly. |
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How many different colors of metal are there? |
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silvery, goldy, platinumy, irony, coppery, leady,
tinny....wait, I see the problem here... |
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98% sure I have seen this or a similar approach for painting space scenes. It is a good idea. |
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//colours// I think you could get quite a workable range of colours: the pink of fresh copper, the green of oxidised copper, the red of oxidised iron, the purple of uranium, etc. |
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Since you probably wouldn't want the finished result to oxidise further, a final clear plastic coating would be applied. |
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//colors// For pure metal, about half a dozen then, which
might be
enough, though they'd all have rather similar lustre (like
Tiffany glass, maybe). Oxides expand the palette quite a
bit, though, and I, for one, would find that breathtaking. (I
also enjoy photographs of corroded metal and peeling
paint. So sue me.) Needs some mechanism for site-
selective oxidation, though. |
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That said, one of my favorite paintings is done partly in
sheet lead, and the rest in grey paint of a similar shade --
so one doesn't necessarily need lots of colors to make Art.
[+] |
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I think it would be an odd palette: blue gives orange, and so on. |
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//site-selective oxidation// acid brush. |
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I like the idea of electroplating with different metals for different effects.
The oxidation thing is already done - apparently it works particularly well with titanium (see link). |
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FT, Surely AuAl2 would be a cheaper choice to produce purple. Uranium's cost per pound is approximately 25,000 times that of gold. |
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I like this one, like lots. |
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Vanadium!!! It has 4 oxidation states (+2 lilac, +3 green, +4 blue, +5 yellow). Now how to selectively achieve these might be a chemistry problem that's beyond me... Too bad it's a bit toxic. |
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//vanadium...toxic// Unless further oxidation of the painting is a goal, you'd want to clearcoat it when completed. |
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Never fear though, the high voltage needed to paint would provide enough of a Darwinian entertainment value. |
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