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Thermal anomalies in stressed Teflon.In the course of testing polytetrafluoroethylene (Teflon) as a calorimetric gasketing material, serendipity revealed a thermal anomaly in stressed film that occurs concomitantly with the well-documented 25 C transition. The magnitude of the excess energy absorption - about 35 cal/g - is suggested to be related to the restricted thermal expansion of the film.
Document ID
19720061100
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Lee, S. H.
Wulff, C. A.
(Vermont, University Burlington, Vt., United States)
Date Acquired
August 6, 2013
Publication Date
October 1, 1972
Publication Information
Publication: Thermochimica Acta
Volume: 4
Subject Category
Materials, Nonmetallic
Accession Number
72A44766
Funding Number(s)
CONTRACT_GRANT: NGR-46-001-008
Distribution Limits
Public
Copyright
Other

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