a9 - measure of the force required to stretch the material...

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Common Question from students---- What is the difference in the rubber band if it is made from plain rubber and polymers? There can be many differences. There are many different types of polymers -- rubber is also a polymer -- so there can be many differences. The most obvious difference will be the 'stiffness' of the elastic material. This is a
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Unformatted text preview: measure of the force required to stretch the material a given (small) length. The yield value -- the amount of elongation that will not return to the initial length after a stress has been applied will also be different. How the materials behave as the temperature is changed will also be different....
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This note was uploaded on 04/28/2010 for the course ENGN 45 taught by Professor Wendy during the Fall '09 term at City College of San Francisco.

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