Thread: Titanium frames and aging
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Old 07-10-12 | 08:53 AM
  #19  
FBinNY
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From: New Rochelle, NY

Bikes: too many bikes from 1967 10s (5x2)Frejus to a Sumitomo Ti/Chorus aluminum 10s (10x2), plus one non-susp mtn bike I use as my commuter

Originally Posted by davidad
Airplanes are made with aluminum and are inspected regularly because the material has a finite fatigue life.
Yes, ..... and no.

Aluminum, and other metals do have a fatigue life, but that's based on stress cycles, not on time. If you parked a plane on the tarmac for 5 years, there'd be no fatigue of the aluminum.
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