Comparison of Mechanical Hysteresis for Chosen Soft Tissues Taken from a Domestic Pig

The aim of the study was to analyze and compare mechanical hysteresis and ability to energy accumulation by a porcine skin, tendon and aorta sample. The uniaxial tensile tests were carried out on tissues samples taken from a domestic pigs to compare mechanical behavior of tested tissues. Then, the mechanical hysteresis was tested in 5 cycles of loading-unloading. The values of energy dissipation, energy during loading and unloading, hysteresis and residual strain were calculated. The study revealed the differences in ability of energy accumulation by different tissues. Mechanical hysteresis experiments give the possibility to better understand soft tissues biomechanics and provide data for modeling and predicting tissues behavior under the cyclic loading conditions.