GermanyWith specially shaped samples it is possible to study the stress-strain relation a ( y ) in simple shear up to large shear deformation y . Measurements of o ( y ) on synthetic polyisoprene, IR 305, differently crosslinked with dicumylperoxide, are reported and compared with those for uniaxial extension on the same materials. Using the simple deformation geometry including shearbands proposed in the meander model (1). both stress-strain relations can be converted into each other. These results favor the…
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