6.6 - strain curve is not constant. secant modulus ------...

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tensile modulus ---- – usually refers to Young’s modulus for stress-strain curves of constant slope. elastic modulus ------ – slope at beginning of curve if slope of stress-strain curve is not constant. tangent modulus ------- slope of line tangent to curve at point of interest if slope of stress-
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Unformatted text preview: strain curve is not constant. secant modulus ------ slope of line drawn from origin of curve to point of interest if slope of stress-strain curve is not constant. stiffness = E A o l o shear modulus, G (aka modulus of rigidity)...
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