The source and the effects of strain-induced heating on the stress-strain behavior and corresponding cold drawing process of glassy polymers are investigated. The nature of dissipative and stored components of work are discussed where only 50 to 80% of the mechanical work of glassy polymers has been found to be dissipative. This phenomenon is demonstrated to be well-modeled by considering a portion of the work to be stored as strain-induced molecular orientation in the polymer that evokes a back stress tensor…
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