[Jewelry making - Article 01212] - Re: [Orchid] Annealing Titanium

[James Binnion]

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    Titanium is just too reactive with the gasses in the air to anneal
    it in anything less than a high vacuum. High vacuum (10^-4 to 10^-6
    tor) is beyond what a standard mechanical pump can produce so the
    pumping and chamber systems require special skill and expensive
    materials. While it is possible to build a vacuum furnace yourself
    the cost will probably be $8,000-$10,000  using second hand and
    surplus materials so you would have to be able to sell enough to pay
    the cost of the furnace.  Anything short of this kind of furnace
    will leave you with brittle material due to gas reactions with the
    Ti. I have looked into building this kind of thing and have most of
    the parts for one but have not had the time or money to finish it. I
    can give you some places to look for the used equipment if you
    decide to do it. 

Jim Binnion

James Binnion Metal Arts
Phone (360) 756-6550
Toll Free (877) 408 7287
Fax (360) 756-2160
http://www.mokume-gane.com
jbin AT mokume-gane.com
Member of the Better Business Bureau

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