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A strip of chicken skin was excised for mechanical testing in tension. The initial dimensions of the rectangular specimen were 30 mm long and 15 mm wide, with an average thickness of 3 mm. The mechanical
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A strip of chicken skin was excised for mechanical testing in tension. The initial dimensions of the rectangular specimen were 30 mm long and 15 mm wide, with an average thickness of 3 mm. The mechanical testing was conducted at a rate of 5 mm/sec. The following data were obtained:a. Calculate the engineering stresses and strains from the information given and plot the engineering stress-strain curve. Assume that 5 mm of the specimen length is clamped by the testing grips at each end, such that the initial gauge length of the specimen is 20 mm.b. It was found that immediately before the last data point, the average width of the sample was 8 mm and the average thickness of the samples was 0.75 mm. considering this information, determine the true stress and true strain of the sample at the last data point.c. Compare the true stress and strain values for the final data point with the engineering stress and strain values for the final data point.

User Judith
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Answer:

Table and chart are attached below

Step-by-step explanation:

A strip of chicken skin was excised for mechanical testing in tension. The initial-example-1
User StanislavK
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