Localized heat treating of net shape titanium parts
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United States of America Patent
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Apr 24, 2018
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app pub date -
Feb 4, 2015
filing date -
Feb 4, 2015
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Abstract
A system and method for heat-treating a titanium part. The system may include foil, adhesive tape, and a localized heat source. The foil may include two sheets of foil made of a material more reactive (more prone to oxidize) than the titanium part, and the localized heat source may include a heating element mostly surrounded by insulation. The method may include taping the foil to opposing sides of the titanium part, thus sealing a portion of the titanium part to be heat treated from external atmosphere. The method may also include heating and placing the localized heat source near or against the foil until heat treating is complete. A small amount of air remaining between the heated foil and the titanium part has a preferential reaction with the foil, since it is more reactive than the titanium part. This prevents oxidation of the titanium part during localized heat treating.
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