Physics, 01.11.2019 03:31 Nell3856

You are instructed to choose a class of polymer for use in a vascular graft, with the most significant concern being that the material has the ability to expand and contract in circumference during the pulsatile flow of the blood. you are given another material that could be used for this application, dacron®, and are instructed to determine the tensile strength of this material. using a normal dog-bone geometry, you test the polymer at a rate of 1 mm/min and find it has an elastic modulus of 3 gpa. you repeat the test at 5 mm/min. would you expect the tensile modulus to be on the order of 0.3 gpa or 30 gpa? why? ( explain from a molecular perspective)

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You are instructed to choose a class of polymer for use in a vascular graft, with the most significa...