(Young's Modulus, Modulus of Elasticity)
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Download and print Tension Unit Converter Chart
10000 psi can be converted to 0.069 GPa and 10 ksi as indicated in the chart below:
Note! - this online pressure converter can also be used to convert between Tensile Modulus units.
Strain is the "deformation of a solid due to stress" - change in dimension divided by the original value of the dimension - and can be expressed as
ε = dL / L (1)
ε = strain (m/m, in/in)
dL = elongation or compression (offset) of object (m, in)
L = length of object (m, in)
Stress is force per unit area and can be expressed as
σ = F / A (2)
σ = stress (N/m2, lb/in2, psi)
F = applied force (N, lb)
A = stress area of object (m2, in2)
Young's modulus can be expressed as
E = stress / strain
= σ / ε
= (F / A) / (dL / L) (3)
E = Young's Modulus of Elasticity (Pa, N/m2, lb/in2, psi)
Elasticity is a property of an object or material indicating how it will restore it to its original shape after distortion.
A spring is an example of an elastic object - when stretched, it exerts a restoring force which tends to bring it back to its original length. This restoring force is in general proportional to the stretch described by Hooke's Law.
It takes about twice as much force to stretch a spring twice as far. That linear dependence of displacement upon the stretching force is called Hooke's law and can be expressed as
Fs = -k dL (4)
Fs = force in the spring (N)
k = spring constant (N/m)
dL = elongation of the spring (m)
Note that Hooke's Law can also be applied to materials undergoing three dimensional stress (triaxial loading).
Yield strength is defined in engineering as the amount of stress (Yield point) that a material can undergo before moving from elastic deformation into plastic deformation.
The Yield Point is in mild- or medium-carbon steel the stress at which a marked increase in deformation occurs without increase in load. In other steels and in nonferrous metals this phenomenon is not observed.
The Ultimate Tensile Strength - UTS - of a material is the limit stress at which the material actually breaks, with a sudden release of the stored elastic energy.
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