Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Yield stress from tensile test and yield stress from hardness tests

  1. Mar 21, 2012 #1
    Why can there sometimes be a difference observed between them?
  2. jcsd
  3. Mar 21, 2012 #2


    User Avatar
    Science Advisor
    Gold Member

    Because a hardness test is a highly nonlinear test which is only able to approximate yield strength of the material using some loose relationships.
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook