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Happy Thanksgiving all! And, a quicky morning mod!

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Old 11-24-2016, 03:45 PM
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ErikwithAK01
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Default Happy Thanksgiving all! And, a quicky morning mod!

I can always find time to work on my Vette, even if that time is 5am Thanksgiving day, haha! I have been experimenting with anodizing Titanium, and felt comfortable enough with it to test it out on my own Ti catback. If you don't like it, polish it off, start over Sorry for the poor pics, conditions sucked, but I plan to pull the mufflers and do it in a more controlled environment this weekend.

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Old 12-01-2016, 01:48 AM
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ErikwithAK01
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Finished it all up, but I gotta say, the pictures do not do it justice I played around with it for a few hours, it was pretty fun honestly! It lloks pretty awesome in person.


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Old 12-01-2016, 10:38 PM
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four0nefive
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I absolutely love titanium exhausts, it's cool to see how they turn blue after a while.
Old 12-02-2016, 12:03 AM
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Believe it or not, I actually did this chemically! Using 9V batteries hooked up in series, you attach the + end to your work piece, then I took a wire with alligator clamps at both ends, attach one side to the negative, wrap the other end in aluminum foil, and wrap that with paper towel covered in cola, and just ran it steadily over the surface. The color is completely voltage dependent, so you can get a whole spectrum of colors, provided you have the voltage for it.

I didn't want to use heat, because enough heat to change the metal these colors would anneal the marterial, and make it soft.

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Old 12-02-2016, 12:23 PM
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Originally Posted by ErikwithAK01
Believe it or not, I actually did this chemically! Using 9V batteries hooked up in series, you attach the + end to your work piece, then I took a wire with alligator clamps at both ends, attach one side to the positive, wrap the other end in aluminum foil, and wrap that with paper towel covered in cola, and just ran it steadily over the surface. The color is completely voltage dependent, so you can get a whole spectrum of colors, provided you have the voltage for it.

I didn't want to use heat, because enough heat to change the metal these colors would anneal the marterial, and make it soft.
Will it be that color permanently or does it go back to what it was over time?
Old 12-02-2016, 01:05 PM
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It is permanent unless you polish it with compound. On the first tip, I made the blue stripe too thick, so I used 3M micro glass compound on a micro fiber cloth, and it came completely off with a little elbow grease. The nice thing about anodizing the surface, is that it is actually building up a protective layer of whatever your cathodic material is; in my case it was the aluminum. The electrolysis caused by the battery power, and the electrolytic solution (being the coke) breaks down the aluminum into oxide, and transfers it to the surface of your work piece. The process also produces Hydrogen, so no smoking around the thing while you're at it haha!
Old 12-02-2016, 01:52 PM
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Originally Posted by ErikwithAK01
It is permanent unless you polish it with compound. On the first tip, I made the blue stripe too thick, so I used 3M micro glass compound on a micro fiber cloth, and it came completely off with a little elbow grease. The nice thing about anodizing the surface, is that it is actually building up a protective layer of whatever your cathodic material is; in my case it was the aluminum. The electrolysis caused by the battery power, and the electrolytic solution (being the coke) breaks down the aluminum into oxide, and transfers it to the surface of your work piece. The process also produces Hydrogen, so no smoking around the thing while you're at it haha!
I gotta ask....were you the kid in the science lab in high school that was always blowing up stuff?
Old 12-02-2016, 03:33 PM
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I'm the kid with 3 degrees, two of which are in hard sciences (metallurgical and polymer sciences)
Old 12-02-2016, 03:52 PM
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Cool Erik, very cool
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Old 12-04-2016, 07:18 PM
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Originally Posted by ErikwithAK01
I'm the kid with 3 degrees, two of which are in hard sciences (metallurgical and polymer sciences)
Obscure old tyme reference for this week.
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Old 12-04-2016, 11:07 PM
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You got it with a special emphasis in structural composites!

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