I understand what you are saying about creating a "prestressed" state in the component. This was a situation where the engineer probably didn't calculate the spring correctly and was surprised somewhat that there was plastic deformation. "uh, yeah, it supposed to do that. It's OKay!" My...
The data I have for 17-7ph ch900 has a yield strength of 231 KSI and ultimate of 239 KSI.
An engineer designed a small leaf spring with this material that in tests plastically deforms (stretches).
This has to be impossible, right? With the yield and tensile right on top of each other, this...
