Homework_MSE2001H_ch9

Homework_MSE2001H_ch9 - 1 MSE 2001 H Homework Chapter 9...

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Unformatted text preview: 1 MSE 2001 H Homework Chapter 9 April 16 , 2008 Seung Soon Jang 1. All materials undergo changes in dimensions in response to mechanical forces: _________________ 2. Upon removal of the load, if the material reverts back to its original size and shape, this deformation is ________________. 3. Upon removal of the load, if the load results in a permanent shape change, this deformation is __________________. 4. Please put down the definition of Poisson’s ratio and also put a typical value of Poisson’s ratio for metals, ceramics, and polymers. 5. Consider cylindrical specimen with a diameter of 10 mm and a length of 1 m. The Young’s modulus of this material is 70 GPa. If you apply 2000 N along the axis of this specimen, what would be the elongation (assumption is elastic deformation). 2 6. Whereas (elasticity, viscoelasticity) is usually the result of bond stretching along crystallographic planes in an ordered solid, (elasticity, viscoelasticity) is the result of the (_______________) of...
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This note was uploaded on 06/29/2009 for the course MSE 2001 taught by Professor Tannebaum during the Spring '08 term at Georgia Tech.

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Homework_MSE2001H_ch9 - 1 MSE 2001 H Homework Chapter 9...

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