Author Topic: Blueing & other metal patinas  (Read 725 times)

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Offline Richard/RMW

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Blueing & other metal patinas
« on: July 16, 2017, 11:07 AM »
Looking to start a thread to share info on metal patinas.

Latest project is another live edge table from the trove of slabs I hauled home from Amish country a while back. Not much new on this table but I used raw steel hairpin legs and finished them with cold blue, turned out great with a nice deep blue/black color. Finished them with a light coat of Camellia oil.







Top is finished with heavy Surfix.

After that I started bluing everything in my upstairs workroom while listening to audiobooks at night.  [big grin]

I am aiming to replace some metalworking equipment that I lost in Sandy and start doing some mixed medium projects. YouTube is loaded with makers doing really fun stuff with wood & metals.

Anyway, looking for input from anyone with experience with patina's for steel, AL, stainless, etc. I have been looking at the offerings on sculpt nouveau, they are interesting but expensive to do trial & error with when I am not sure what I am looking for.

Input is appreciated. 

RMW

As of 10/17 I am out of the Dog business and pursuing other distractions. Thanks for a fun ride!

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Online Cheese

  • Posts: 3468
Re: Blueing & other metal patinas
« Reply #1 on: July 16, 2017, 12:42 PM »
I've used vinegar & salt on copper to get a blue-green color. The only problem is that the patina coat is very fragile and tends to flake off. A driving rain & hail will peel the coating off.

Here's a picture of what's left after 8-10 years.
« Last Edit: July 16, 2017, 12:45 PM by Cheese »

Offline rylim

  • Posts: 50
Re: Blueing & other metal patinas
« Reply #2 on: July 16, 2017, 02:46 PM »
Nice job. Is the blue color made of resin?

Offline rvieceli

  • Posts: 715
Re: Blueing & other metal patinas
« Reply #3 on: July 16, 2017, 02:49 PM »
Richard. I like Birchwood Casey Presto Black. It's a room temp agent.

Sculptnuveau is not a bad place to go to. Most of the manufacturers only sell in one gallon minimums. Sculpt repackages down to 8 ounces on most stuff.

Ron

Nice job on the table.

Offline Rip Van Winkle

  • Posts: 270
Re: Blueing & other metal patinas
« Reply #4 on: July 16, 2017, 05:25 PM »
You might want to check your local library or local universities to see if they have a copy of the below book you can view or check out. The book is only for copper, bronze, and silver alloys, but it's 370 pages.

https://www.amazon.com/Colouring-Bronzing-Patination-Metals/dp/0823007626

ASME handbook 5, covers surface finishing for metals including plating and phosphate finishing etc.