What is proof strength?

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What is proof strength?

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Stress-strain curve of the many metal does not show yield point.To know the yield point in that type of curve we use proof stress which is also called 0.2 % off set rule.In this we take 0.2% strain and draw a parallel line to elastic region and wherever the line cut the curve that point is called prRead more

Stress-strain curve of the many metal does not show yield point.To know the yield point in that type of curve we use proof stress which is also called 0.2 % off set rule.In this we take 0.2% strain and draw a parallel line to elastic region and wherever the line cut the curve that point is called proof strength or yield strength.

See lessProof stress is determined as the stress corresponding to 0.2% of strain from the stress-strain curve of the given material.

Proof stress is determined as the stress corresponding to 0.2% of strain from the stress-strain curve of the given material.

See lessProof stress is the point at which plastic deformation begins which is 0.2% of strain in the stress strain curve.

Proof stress is the point at which plastic deformation begins which is 0.2% of strain in the stress strain curve.

See less0.02 yield stress determine the stiffness of the material

0.02 yield stress determine the stiffness of the material

See lessProof stress of a material can be defined as the stress at which the material undergoes plastic deformation. Proof stress is determined as the stress corresponding to 0.2% of strain from the stress-strain curve of the given material.

Proof stress of a material can be defined as the stress at which the material undergoes plastic deformation. Proof stress is determined as the stress corresponding to 0.2% of strain from the stress-strain curve of the given material.

See lessProof strength is not only at 0.2 %.. It may be 1% too.. Everyone is going to misunderstanding

Proof strength is not only at 0.2 %..

See lessIt may be 1% too.. Everyone is going to misunderstanding