A machine element develops principal stresses of magnitudes 2P and P. What is the maximum magnitude of P before the material reaches the yield stress fy as per Distortion Shear Energy Theory?

\(\frac{{{{\rm{f}}_{\rm{y}}}}}{2}\)

\(\frac{{{{\rm{f}}_{\rm{y}}}}}{{2\sqrt 3 }}\)

\(\frac{{{{\rm{f}}_{\rm{y}}}}}{{\sqrt 3 }}\)

A machine element develops principal stresses of magnitudes 2P and P.

1.	A machine element develops principal stresses of magnitudes 2P and P. What is the maximum magnitude of P before the material reaches the yield stress fy as per Distortion Shear Energy Theory?
A.	fy
B.	\(\frac{{{{\rm{f}}_{\rm{y}}}}}{2}\)
C.	\(\frac{{{{\rm{f}}_{\rm{y}}}}}{{2\sqrt 3 }}\)
D.	\(\frac{{{{\rm{f}}_{\rm{y}}}}}{{\sqrt 3 }}\)
Answer» E.

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A machine element develops principal stresses of magnitudes 2P and P. What is the maximum magnitude of P before the material reaches the yield stress fy as per Distortion Shear Energy Theory?

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