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At low temperatures, what controls the Young's modulus in the glassy regime of an amorphous polymer? Sliding between short segments of polymer chains Stretching
At low temperatures, what controls the Young's modulus in the glassy regime of an amorphous polymer? Sliding between short segments of polymer chains Stretching of molecular bonds Melting of secondary bonds, and an increase in free volume d U Second derivative of the energy-separation curve, Ex de -T dS Changes in entropy associated with changes in molecular configuration, E = = 3nvkbT de -
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ANSWER Here option iStretching of moleculer bonds ii Melting of secondary bonds and an increase in f...
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Fundamentals of Materials Science and Engineering An Integrated Approach
Authors: David G. Rethwisch
4th Edition
1118214226, 1118061608, 9781118214220, 978-1118061602
