"Richard Smith" wrote in message ...

"Jim Wilkins" writes:

...

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During a winter power outage I found that a mix of snow and road salt
(NaCl + ?) fell to 5F, -15C.

Real deal. Thanks for that.

BTW

Mind's been going crazy over this.
Spent yesterday Finite Element Analysis modelling the
"beam-configuration fillet-weld tensile test"
http://www.weldsmith.co.uk/tech/stru...cfwtt_fea.html
"FEA : beam-configuration fillet-weld tensile test"
Just occurred to me - if kept tubes strictly straight in-line with a
frame/guide - could make it a longitudinal tensile - which means you
could fast-load by firing a weight into a "stopper-plate" in the line
of the sample. etc. etc.

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http://physics.wm.edu/~labs/110/110_pdf/ch4.pdf
If the metal permanently deforms some of the kinetic energy converts to
heat.