Question

What is the stress strain relationship? a. Label the X-axis and Y axis b. Include the...

What is the stress strain relationship?
a. Label the X-axis and Y axis
b. Include the major points on the graph
c. Identify the regions on the graph
d. Show the relative difference between different types of biological materials
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Answer #1

Stress strain relation for biological matters:

Biological tissues exhibit large deformation before failure, therefore any transducer used to measure strain will need to accommodate the large movement. Due to the un-crimping of collagen fibers and elasticity of elastin, the initial portion of a biological sample stress-strain curve has a high deformation/low force characteristic known as the toe region. In short, unlike traditional materials this region is non-linear.  

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