Method for preparing ultra-fine, submicron grain titanium...

Specialized metallurgical processes – compositions for use therei – Processes – Producing or purifying free metal powder or producing or...

Reexamination Certificate

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C075S354000, C148S577000, C148S670000

Reexamination Certificate

active

10707173

ABSTRACT:
A method for preparing ultra-fine, submicron grain titanium or titanium-alloy articles (78) used for joining or assembling of detail components. Coarse-grained titanium or titanium-alloy materials (52) are severely mechanically deformed using cryogenic milling into an ultra-fine, submicron grain powder, degassed and consolidated under controlled pressure and temperature. The resulting fasteners, articles, or components manufactured from such material have improved material performance characteristics associated with this ultra-fine, submicron grain material structure.

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