Abstract
Uniaxial tests were performed on commercial purity titanium (α-titanium) to obtain the strain rate dependence of the stress strain curves at room temperature with strain rates between 10 -7 and 0.57 s -1. Tests were also performed to obtain short time (less than 700 s) stress relaxation and forward creep accumulation of the material. Non-linear deformation was found to commence at about the same stress irrespective of stress or strain rate. It was observed that at a constant strain rate a unique stress strain curve was obtained. The material functions for a single non-linear constituitive equation have been identified. Simulations of the material response are reported and it is found that good quantitative agreement between experiment and the model can be obtained for a wide range of loading conditions.
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