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Titanium Dioxide - "Hartematal"

Titanium Dioxide - "Hartematal"

Titanium Dioxide - "Hartematal"

(OP)
I am searching for a process in the USA for coating aluminum analogous to a process available in Switzerland called "Hartematal".  The process creates a very thin, very hard, and very wear resistant coating of titanium dioxide on the surface.  A web search has only turned up a document from a German company who use the process for their solenoid valves.    Any assistance is greatly appreciated!

RE: Titanium Dioxide - "Hartematal"

See
Plasma electrolytic oxidation
http://en.wikipedia.org/wiki/Plasma_electrolytic_oxidation

KEPLA-COAT® for aluminium and titanium alloys, MAGOXID-COAT® for magnesium  [probably the German company referred to]  
http://www.ahc-surface.com/ahce/products/coating_service/kepla_coat.htm

Microplasmic Process (MPP) coats aluminum, magnesium, tantalum, titanium, zirconium  and their alloys. http://www.microplasmic.com/

"Keronite’s plasma electrolytic oxidation process transforms the surface of aluminum alloys into a complex ceramic matrix..."  
http://www.aluminum.org/ANTemplate.cfm?IssueDate=05/01/2006&Template=/ContentManagement/ContentDisplay.cfm&ContentID=9872

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