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Observation of polymer film drawing by use of thermography. An introductory investigation on the thermodynamics
Author(s) -
Yamauchi Tatsuo
Publication year - 2006
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.23784
Subject(s) - necking , thermography , polymer , materials science , thermodynamics , work (physics) , infrared , composite material , ultimate tensile strength , optics , physics
The local heat generation that accompanied tensile drawing of polymer films was successfully observed by infrared thermography as a series of temperature distribution images. These images showed that the high temperature part where rearrangements of molecular orientation and microcrystallines occurred was located mainly at the end of the necked part for the polymers that exhibited necking or appeared uniformly throughout films for the polymers that did not exhibit necking. The generated heat could be roughly estimated, and the relation between the estimated heat and mechanical work led to the thermodynamic investigation. © 2006 Wiley Periodicals, Inc. J Appl Polym Sci 100: 2895–2900, 2006