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I actually don't understand how they do tensile strength testing between steel and silk - doesn't silk stretch or yield?
by fire 4y ago
I actually don't understand how they do tensile strength testing between steel and silk - doesn't silk stretch or yield?
- anu7df 4y agoElastic stretching, the one that reverses completely on taking the load off, is the regime where there is a linear relationship between the stress load and the stretching. This should be seen as different from yielding which in mechanical testing is an irreversible change usually signifying a destructive change in the material. So, yes, silk stretches but is not damaged while doing so and the resistance it provides at the time relates to its strength.
- TheSpiceIsLife 4y agoSteel also undergoes elastic deformation, stretches but is not damaged while doing so, up until the yield point. https://youtu.be/D8U4G5kcpcM https://youtu.be/D8U4G5kcpcM