Access over 120,000 technical material datasheets with Prospector!
Create Your Free Account
Poisson's Ratio - ASTM E132
The negative ratio of lateral strain to axial strain.
ν = -εy / εx
Poisson Effect
Testing is performed by running a tensile test on a specimen equipped with two extensometers. One extensometer is aligned parallel to the applied tensile stress while the second extensometer is aligned perpendicular to the tensile stress.