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Titanium or carbon
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July 19th 03, 02:14 PM
David Kerber
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Titanium or carbon
In article ,
says...
In article , Dr Engelbert Buxbaum
wrote:
Dr. Rev. Chuck, M.D. P.A. wrote:
Ti has nearly the same ductility as steel. Carbon snaps.
That depends on temperature. When I was caving in England, using Single
Rope Technique, I was warned against using titanium carabines in my
equipment. There had actually been accidents because they can suddenly
shatter at the low temperatures in caves (about 4 degrees C). We always
used aluminium crabs to hang our lives on.
If titanium cracks at 4 degrees C, why aren't the jet engine fans
exploding off of more airplanes? They see air a lot colder than that.
Different alloys different heat treatments, because of different design
criteria.
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Dave Kerber
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