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Old 02-04-2018, 01:46 PM
dennyg dennyg is offline
Join Date: Nov 2015
Posts: 16
Etching logo in titanium

I have been using electrochemical etching to put my logo and other things on stainless for several years. Now, I have some ideas I'd like to try on titanium but I can't seem to find information on if it can be done or what electrolyte is needed. I would be starting just etching my logo on a titanium side.

Has anyone tried this? Is there any difference in etching between 6-4 titanium and CP (commercially pure)?

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Old 02-04-2018, 03:06 PM
dtec1 dtec1 is offline
Join Date: Aug 2015
Location: putnam county NY ....about 45 mins north of new york city
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you could use the link below for solution....i think like steel it would work with anything i have used salt water on steel the proper solution might give you a better etch but a lot of things could be used...
there are a few options out there for titanium the link below is just one.
also i would think both 6-4 and CP would work pretty much the same
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Old 02-04-2018, 08:23 PM
dennyg dennyg is offline
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Thank you! Iíll get some and give it a try.
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Old 02-04-2018, 10:15 PM
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M&J M&J is offline
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Join Date: Dec 2004
Location: So. Cal
Posts: 243
Has been a long time since I had those discussions. Among my circle, etching involved a nasty chemical like Hydrofluoric acid and only a few makers had used them before going onto safer methods. I'd bought a dry powder that was a ready to mix but after reading the MSDS I sent it in for hazmat recycling. I wasn't going to risk the fumes nor contact in my garage/shop.

Our approach was to mask/stencil and use a small air eraser with fine mesh media like AO,SC. Then go in with the anodizing solution and paint it in. Old timers like Judy Beaver, Patricia Walker, Jim Sornberger have used similar in their anodized Ti pieces. If you have an anodizer you can have a spectrum of colors. Using the usual marking units yield one color, often in the blue range.

Laser marking is the other.

May contact Marking Methods as see if they have any advice:

If there is a new means, I'd like to explore that too.

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Old 02-04-2018, 11:48 PM
dennyg dennyg is offline
Join Date: Nov 2015
Posts: 16
First, there are two ways to look at etching, depending on your purpose. I use Whink Rust Remover to etch before anodizing since Whink contains hydrofluoric acid in diluted form. It works well and is widely available and reasonably safe.

But the etching Iím interested in is electro etching my logo on titanium. From the post above, there is a electrolyte available for that purpose.

Iíll order some and come back and post my results.

Thanks all for your help!
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Old 02-05-2018, 02:09 PM
dtec1 dtec1 is offline
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Location: putnam county NY ....about 45 mins north of new york city
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yes electro etching is very different than acid could acid etch a logo by masking everything off and just dunking it in the acid (at the simplest level) just like etching a blade to darken it and just like Damascus etching (except Damascus has more than 1 steel in it) Now electro etching is very different the solutions used are electrolites basicly just lets the electricity flow... so you clip 1 wire to the blade and 1 wire to a hand pad you put your logo stencil down and soak the hand pad in the solution and press it on the stencil....knowing how electricity works when you have the power supply going in DC it just pulls the steel off the blade basicly digging a hole in the shape of your stencil if you run the power supply in AC then as the electricity goes back and forth (as AC does) it picks up the metal burns it and puts it back down something like 60 times a second this makes the logo far as doing a detailed logo electro etching is the way to go IMHO
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