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Hockey Puck Squish in Real Time (Patreon)

Published:
2014-04-05 03:28:55
Imported:
2026-06

Content

Remember the sped up footage of the hockey puck smash? Here it is in real time with the displacement vs force data.

Files

HOCKEY PUCK SQUISH (Real Time) under 82,000 lb Load

If this earns it, consider subscribing to this (the 2nd) channel. Patreon Support Link: http://www.patreon.com/smartereveryday Subbable Support Link: http://subbable.com/smartereveryday

Comments

Julien Neel (Trudbol)

Is the "displacement" the distance by which the edge of the puck is shifted outwards when it's being squeezed? Why is the curve non-linear? Does that have anything to do with the shape of the puck or just the material? Did the puck actually "break"?

Ben

Definitely watched the whole thing thru! I used to do mechanical testing and do NDT now, so I loved it! I'm from Pittsburgh, PA.

Ben

Julien, the displacement is just the motion of the platens relative to each other. Generally this is measured with an LVDT either integral to the machine or attached externally. Materials behave linearly when loaded in the "elastic" region. Once this is surpassed the material behaves non-linearly in the "plastic" region. I believe the puck actually "failed" early on in the test when the curve exhibited rapid up and down motion, this may be where the puck material was actually reaching its compressive yield strength. However, this was not an ideal setup to actually measure the material property and more just a neat experiment to see what happens and how much load and deformation the puck can actually take!

Dan

Such a cool video. Thanks Ben for the explanation of the graph. I too was wondering what those waves in the line meant. From Canberra Australia.

Matt

Is there any chance that the itunes freebee's can end up on Google Play as well? Since google have about 75% of the market share I'd think of it as expanding your audience... :)

Scilabus

Nice. Crushing things is always fun! To answer your question, I'm from France but I live in Montreal, Canada.