Question

What is the ultimate strength and how can it be determined?

Answers

Doug
www.nde-ed.org/EducationResources/CommunityCollege/Materials/Mechanical/Tensile.htm
K
At what point does permanent deformation occur? What materials are most resistant to permanent deformation?
Doug
Plastic behavior: This permanent deformation behavior occurs when the tensile (or compressive) uniaxial stress reaches sy.

Hard materials like diamond, nitrided steel and even most plastic are resistant to permanent deformation.
K
Thank you sir!
Doug
np

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