mainestratman said:
Corrosion (rust), more than anything.
Same problem here across the pond!
I think, for acoustics, that the most interesting strings I tried were the silk-core steel-wrapped 'folk' strings I put on a mate's dad's 12-string he lent me. He said it helped his arthritis a little bit, but not much, although I personally loved the feel of them (especially with my little stubbies on a 12-string acoustic!!!).
I think the thing you must keep in mind with violin strings and guitar strings are the way are they are played.
I'm no fiddler, but with the a violin, I could imagine the material used on the bow, the resin/rosin used, and the inner/outer layers of the strings all reacting in a certain way to their stimulus (i.e. how they're played), which is essentially friction, like when you rub your finger along the rim of a slightly wet wine glass and get that hum.
Guitar strings
don't work that way, I'm afraid, so I'd imagine that these exotic materials would essentially go to waste, lest you dream of re-enacting those famous scenes from Spinal Tap :dude
Just my tupence
