Poisson’s ratio (μ)
for homogeneous & Isotropic material elongation/contraction produced by any axial force in the direction of force is accompanied by contraction relongation in all transverse direction.
μ=[(lateral strain)/(Longitudental strain)]
O → Cork
-1.5 → Rheotropic material (human tissue)
Brass & Bronze
→ if perfectly plastic material by applying load strain perpendicular to applied load direction is very less (approx. zero) so Poisson’s ratio has zero magnitude.
→ Ideal plastic
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