Briefly explain how each of the following influences the tensile modulus of a semi crystalline polymer and why: (a) Molecular weight (b) Degree of crystallinity (c) Deformation by drawing (d) Annealing of an under formed material (f) Annealing of a drawn material
Briefly explain how each of the following influences the tensile modulus of a semi crystalline polymer and why:
(a) Molecular weight
(b) Degree of crystallinity
(c) Deformation by drawing
(d) Annealing of an under formed material
(f) Annealing of a drawn material
(a) Molecular weight
(b) Degree of crystallinity
(c) Deformation by drawing
(d) Annealing of an under formed material
(f) Annealing of a drawn material
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Answer
(a) The tensile modulus is not directly influenced by a polymer's molecular weight. (b) Tensi…View the full answer
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Materials Science and Engineering An Introduction
8th edition
Authors: William D. Callister Jr., David G. Rethwisch
ISBN: 978-0470419977