xkcd #3115: Unsolved Physics Problems
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‘Tin pest’ makes more sense to me. Tin just doesn’t want to be locked down in a shape like that. I get it. But why would any metal want to grow hair??
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Source: https://xkcd.com/3115/
And does he know why? I’ve had to deal with it too often and it would be really nice to be able to expand RoHS to aerospace.
https://portal.research.lu.se/en/publications/tin-whiskers-experiments-and-modelling
Oh, but of course! The deviatoric strain, yes.