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.
Comment on xkcd #3115: Unsolved Physics Problems
Successful_Try543@feddit.org 8 months ago
A colleague of me did his PhD exactly on the last topic.
BartyDeCanter@lemmy.sdf.org 8 months ago
Successful_Try543@feddit.org 8 months ago
Deep in the coating, where the Cu6Sn5 [Remark: intermetallic phase of Sn coating and Cu substrate] is present, the deviatoric strain was high. This indicates that the growth of the intermetallic phase causes plastic deformation of the tin coating.
[…]
A short (4 micrometre) radial gradient in hydrostatic stress was observed around the root of the whisker. This gradient together with long-range diffusion from specific regions could provide the driving force for whisker growth.https://portal.research.lu.se/en/publications/tin-whiskers-experiments-and-modelling
Lemminary@lemmy.world 8 months ago
Oh, but of course! The deviatoric strain, yes.
cmgvd3lw@discuss.tchncs.de 8 months ago
Did he found a cure for baldness?
elucubra@sopuli.xyz 8 months ago
There is no cure for baldness, else Bezos would have a mane.
markovs_gun@lemmy.world 8 months ago
Elon has hair plugs that admittedly look pretty good. I think Bezoa just lost his hair too quickly to fool anyone.
bstix@feddit.dk 8 months ago
Nah, it also doesn’t fool anyone. it looks like a toupee, except that he can’t take it off.
Honytawk@feddit.nl 8 months ago
No, but those zinc ingots now have great mustaches!
Successful_Try543@feddit.org 8 months ago
Well, if you are willing to coat your head with copper and some tin on top, you can grow yourself some tin whiskers. Yet, I don’t know if they make a good replacement for hair.
mojofrododojo@lemmy.world 8 months ago
shaving is gonna be an adventure