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Re: [Phys-l] singing rods


On 2011, Sep 06, , at 20:59, John Denker wrote:


It's a perennial favorite term-paper topic: Find out
what there is to know about high-Q mechanical oscillators.
It's right up there with magnetic monopoles.


And a dissertation. subject.

I found in my hours search one disst. (MIT or CIT) on attenuation as a function of grain boundaries in Al !! Another comparing drualumin and pure w/ various annealing temp / times. (This is from my Alzheimered memory, so detail requires NaCl)


bc attempts to compare sound dissipation in air and aluminum.