Letter 12031

Embrittlement of Ti metal

 

I want to begin anodizing pure Ti shim to be used as a base for chemical deposition. I need the layer to be electrically insulative. Will the anodization process embrittle the Ti sheet? How do I prevent this?

Jared Sommer
- Salt Lake City, UT, USA

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The coating itself will be brittle of course in that it is a titanium oxide rather than titanium metal. But the process generates oxygen bubbles at the surface so I doubt that it embrittles the base metal.

 
Ted Mooney, P.E.
finishing.com Inc. - Brick, NJ

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