The ultimate tensile strength of a material is 400 MPa and the elongation up to maximum load is 35%. If the material obeys power law of hardening, then the true stress-true strain relation (stress in MPa) in the plastic deformation range is:

Question

TuteeHUB · Accepted Answer

$\sigma = 540{ \epsilon ^{0.35}}$

TuteeHUB · Answer

$\sigma = 540{ \epsilon ^{0.30}}$

TuteeHUB · Answer

$\sigma = 775{ \epsilon ^{0.30}}$

TuteeHUB · Answer

$\sigma = 775{ \epsilon ^{0.35}}$

1.	The ultimate tensile strength of a material is 400 MPa and the elongation up to maximum load is 35%. If the material obeys power law of hardening, then the true stress-true strain relation (stress in MPa) in the plastic deformation range is:
A.	\(\sigma = 540{ \epsilon ^{0.30}}\)
B.	\(\sigma = 775{ \epsilon ^{0.30}}\)
C.	\(\sigma = 540{ \epsilon ^{0.35}}\)
D.	\(\sigma = 775{ \epsilon ^{0.35}}\)
Answer» C. \(\sigma = 540{ \epsilon ^{0.35}}\)

The ultimate tensile strength of a material is 400 MPa and the elongation up to maximum load is 35%. If the material obeys power law of hardening, then the true stress-true strain relation (stress in MPa) in the plastic deformation range is:

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