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Glossary

Glossary Terms beginning with Y
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Yield
Resistance of material to bending.
Yield Point
The point on the stress-stain curve of a metal at which it finishes deforming solely in an elastic manner and begins to deform plastically.
Yield Strength
The stress at which a metal begins to deform plastically, i.e. the stress at which the stress-strain curve first begins to deviate from linearity. When this is difficult to distinguish, the yield strength is defined in terms of a 0.1% or a 0.2% strain has been obtained.
Young's Modulus
When a material is behaving elastically, the ratio of the tensile or compressive stress to the resulting strain in the material is known as the modulus of elasticity, or Young's Modulus, of the material. It is the slope of the linear portion of the stress-strain curve of the material and is a measure of the stiffness of the material.
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