Stress strain curve

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  • Thread starter mertcan
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  • #1
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hi, I am aware that stress strain curve involves some function which begins with linear part and continues with non linear part after a while. I consider that it is so complicated, but I really wonder how a stress strain curve is derived, what kind of tests are applied and how those tests are applied???
 

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  • #2
berkeman
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hi, I am aware that stress strain curve involves some function which begins with linear part and continues with non linear part after a while. I consider that it is so complicated, but I really wonder how a stress strain curve is derived, what kind of tests are applied and how those tests are applied???
https://en.wikipedia.org/wiki/Tensile_testing
 
  • #4
berkeman
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ok but what about shear stress??, the link shared is only about nominal stresses. How is shear strain measured??
You didn't ask about shear stress in your opening post. Sigh. How about you do a quick Google search to see if you can answer your question easily...
 
  • #5
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You didn't ask about shear stress in your opening post. Sigh. How about you do a quick Google search to see if you can answer your question easily...
Actually, I would like to ask how can we find the relation between nominal stress and shear strain??? I am aware that in some situations nominal stress along x axis may change nominal strain along x axis, also nominal strain y axis, also shear strain on xy plane for instance. How can we obtain nominal stress along x and shear strain curve???????? There are not enough sources on internet by the way.........
 

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