I always like to open these posts with a joke or pun of some sort, but I couldn't come up with one for this video that wouldn't be a stretch, so I'll just get cracking.
The inherent simplicity of a tensile test - just stretch a material specimen - belies the actual complexity present in performing one carefully and repeatably.
Today's video shows the care that must be taken to perform a tensile test according to industry standards - ASTM D638, in this case - and the stress/strain curve that results from a properly conducted test.
In case you were curious what this whole "ASTM" standard was about, check out this video about the ASTM organization.
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