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In Reply to: But can't you have plastic deformation caused by mechanical stress? posted by NewStevo on October 27, 2006 at 11:21:22:
Vinyl as used in records is used above its glass / rubber transition point so it acts as a rubber. It's very difficult to push a rubber beyond its compressive yield stress because it acts basically like a condensed fluid.When I get time I will try to get together more information on elastic/plastic deformation and creep strain behaviour in vinyl.
Mark Kelly
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Follow Ups
- Only if you exceed the yield stress. - Mark Kelly 10/27/0616:39:40 10/27/06 (1)
- Re: Only if you exceed the yield stress. - caffeinator 19:18:25 10/27/06 (0)