The strength of a joint is defined as the force required to break the strap in uniaxial tension.
2.
The polymeric matrix is assumed to be isotropic and exhibits a higher strength under uniaxial compression than under uniaxial tension.
3.
We now consider an incompressible material under uniaxial tension, with the stretch ratio given as \ lambda = \ frac { l } { l _ 0 }.
4.
For a uniaxial tension in the x _ 1-direction ( P _ { 11 } > 0 we assume that the e _ 1 increase by some amount.
5.
For the special case of unconstrained uniaxial tension or compression, Young's modulus " can " be thought of as a measure of the stiffness of a material.
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