Originally Posted by
badhabit
I have a quite good osciloscope however, thought about using a microphone or straingauge somehow to measure the oscilations, then i could measure the "half time"(like in radiation) and give an arbitary, but relatively comparable, value...but i need to excite the sample in a repeatable way for this to work...and i don't have to good way of doing that....yet...
I also feel that it might be hard to repeat this in an reliable way between different samples which might vary in length... i might need to somehow saw the samples to a fixed length...which has the sound of "diamonds" to it :-/ I also need a predefined and repeatable fixture of sorts...