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Abstract

The goal of the study was to determine material constants of cancellous tissue in a compression test taking into account stress-strain characteristics. The nineteen test samples were resected from a femoral head of a patient qualified for a hip replacement surgery. During the compression tests, load-displacement curves were evaluated and stress-strain characteristics (𝜎-𝜀) of the cancellous bone tissue were calculated. A special one-touch extensometer was used. The use of an extensometer improves the displacement measurement accuracy with respect to the measurement using standard crosshead. The obtained values of the mechanical parameters as well as the stress-strain curves are the basis for further research going into the development of bone tissue constitutive equations.

Keywords

Cancellous bone compression test nanoindentation

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Mechanical properties of cancellous tissue in compression test and nanoindentation

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