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4th Jan 2018, 10:01 AM #1New Member
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Iridescent Metal Finish - have you seen this?
Good Evening,
New to the forum and eager to jump in the conversation with a new question. I recently came across a treatment done on a corrugated metal panel and would love to replicate it somehow. Does anyone know how to achieve the iridescent, metal finish in the attached image?
Thanks in advance!
iridescent metal panel.jpg
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4th Jan 2018, 11:01 AM #2
Hi and welcome to the Metalwork Forums,
I have seen the pattination on other metal items but not on corrugated sheets. It is possibly the latest 'in' thing stateside but I can't say it has hit Aussie shores just as yet.
Its an effect I have seen in handmade knife handles and in jewellery applications. Check back later as some of the blokes may be still on Xmas vacation.
This might help in the mean time.
https://www.ganoksin.com/article/iri...patina-recipe/
Grahame
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4th Jan 2018, 11:56 AM #3Senior Member
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I see an occasional car like these:
https://www.google.com.au/search?q=i...JJwbmZVxyjVhQM
Not nearly as subtle as the corrugated sheets.
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4th Jan 2018, 02:44 PM #4China
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There are various methods, using heat consentrated more in one section and less in another, dipping in various chemicals, in the case of the photo it looks to me as it has been painted with a translucent paint and most likely clear coated
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4th Jan 2018, 07:04 PM #5Most Valued Member
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Looks similar to the colour of passivated zinc coated screws.
This guy gets a similar effect on carburettors: https://www.youtube.com/watch?v=Nmn94B5UUuU
Fast forward to the end if you just want to see the result.Chris
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4th Jan 2018, 08:01 PM #6
I am sure jack620 is correct as you can see some of the iridescent colour on the corners of the carby.
In my opinion, I don't think a do it at home operation is really viable, given the size of the sheets.
This is a process that requires an industrial scale operation. I don't believe the electrolyte chemical and means of electroplating could be simply upscaled successfully from the home process. The sheer volume of electroyte and power the consumption I suspect would be very,very expensive.
As the surface area gets larger so do the costs. In addition, the OH&S requirements may be substantial as well.
I was a part of the hard chrome plating industry, so I do have some knowledge of the process parallels to draw upon.
Grahame
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4th Jan 2018, 09:03 PM #7Most Valued Member
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Looks like a painted finish to me.
Nev.
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4th Jan 2018, 09:21 PM #8Philomath in training
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I agree. I'd be taking that picture down to an automotive spray place and asking what they can do like that. I remember talking to a spray painter once about cars that seem to change colour depending on the viewing angle and he described the process used - nothing particularly difficult. I suspect that is shaped glass beads or similar added to a clear coat and sprayed over the top of some corrugated iron sheet (as that is normally zinc plated, any chemical process would first have to strip the zinc = expensive)
Michael
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4th Jan 2018, 09:22 PM #9Pink 10EE owner
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It looks like some electroplated method and it also looks god awful.
Corrugated iron is bad enough in a house setting, but iridescent. What were they thinking.Gold, the colour of choice for the discerning person.
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4th Jan 2018, 09:38 PM #10Most Valued Member
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I'm sticking with colour passivated zinc coating like this piece of artwork is made from.
Chris
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4th Jan 2018, 09:40 PM #11Most Valued Member
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5th Jan 2018, 05:11 AM #12New Member
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Appreciate all the feedback on this thread-- sounds like there are a lot of ways to go about it! Jack620 I think you've nailed it with the image of the artwork... any chance you know where that image is from or who the artist is?
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5th Jan 2018, 09:07 AM #13Most Valued Member
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6th Jan 2018, 02:05 PM #14Most Valued Member
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6th Jan 2018, 02:18 PM #15
Those "designer" kitchens with the narrow ribbed corrugated sheet doors and drawers don't seem so bad now, do they?
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