View single post by e.avery
 Posted: Fri Jun 1st, 2007 07:40 am
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e.avery



Joined: Tue Apr 4th, 2006
Location: Kentucky USA
Posts: 2722
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With out getting to tech, there are manufacturing processes that increase the hardness of the surface on the higher end watches, it is not just the alloy.  The alloy is a major part but Ventura, Sinn, Breitling, and others process there Ti watches in order to increase the abrasion resistance.  Part of the strength of Ti is the malleability and the resistance to things such as brittle fracture, and fatigue.

Aerospace or Defense grade alloys of Ti used in other industry's are not typically processed in these ways, due to the lower ability of the metal to deform, thus increasing the brittleness of metal.