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View Policies Current Attempt in Progress At an axial load of 19 kN, a 45-mm-wide by 15-mm-thick polyimide polymer bar elongates 2.7 mm while the bar width contracts 0.19 mm. The bar is 220 mm long. At the 19-kN load, the stress in the polymer bar is less than its proportional limit. Determine (a) the modulus of elasticity. (b) Poisson's ratio. (c) the change in the bar thickness. Answers: (a) E= (b) v= (c) Athickness eTextbook and Media Save for Later GPa mm Attempts: 0 of 5 used Submit Answer

View Policies Current Attempt in Progress At an axial load of 19 kN, a 45-mm-wide by 15-mm-thick polyimide polymer bar elongates 2.7 mm while the bar width contracts 0.19 mm. The bar is 220 mm long. At the 19-kN load, the stress in the polymer bar is less than its proportional limit. Determine (a) the modulus of elasticity. (b) Poisson's ratio. (c) the change in the bar thickness. Answers: (a) E= (b) v= (c) Athickness eTextbook and Media Save for Later GPa mm Attempts: 0 of 5 used Submit Answer

Materials Science And Engineering Properties
Materials Science And Engineering Properties
1st Edition
ISBN:9781111988609
Author:Charles Gilmore
Publisher:Charles Gilmore
Chapter6: Introduction To Mechanical Properties
Section: Chapter Questions
Problem 6.3P: Compare the engineering and true secant elastic moduli for the natural rubber in Example Problem 6.2...
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View Policies Current Attempt in Progress At an axial load of 19 kN, a 45-mm-wide by 15-mm-thick polyimide polymer bar elongates 2.7 mm while the bar width contracts 0.19 mm. The bar is 220 mm long. At the 19-kN load, the stress in the polymer bar is less than its proportional limit. Determine (a) the modulus of elasticity. (b) Poisson's ratio. (c) the change in the bar thickness. Answers: (a) E= (b) v= (c) Athickness eTextbook and Media Save for Later GPa mm Attempts: 0 of 5 used Submit Answer
Transcribed Image Text:View Policies Current Attempt in Progress At an axial load of 19 kN, a 45-mm-wide by 15-mm-thick polyimide polymer bar elongates 2.7 mm while the bar width contracts 0.19 mm. The bar is 220 mm long. At the 19-kN load, the stress in the polymer bar is less than its proportional limit. Determine (a) the modulus of elasticity. (b) Poisson's ratio. (c) the change in the bar thickness. Answers: (a) E= (b) v= (c) Athickness eTextbook and Media Save for Later GPa mm Attempts: 0 of 5 used Submit Answer
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