At low temperatures, what controls the Young's modulus in the glassy regime of an amorphous polymer?...
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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 of molecular bonds Melting of secondary bonds, and an increase in free volume d² U Second derivative of the energy-separation curve, Ex de² -T d²S Changes in entropy associated with changes in molecular configuration, E = = 3nvkbT de² - 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 d² U Second derivative of the energy-separation curve, Ex de² -T d²S Changes in entropy associated with changes in molecular configuration, E = = 3nvkbT de² -
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ANSWER Here option iStretching of moleculer bonds ii Melting of secondary bonds and an increase in f... View the full answer
Related Book For
Fundamentals of Materials Science and Engineering An Integrated Approach
ISBN: 978-1118061602
4th Edition
Authors: David G. Rethwisch
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