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Strain-induced crystallization of oriented poly(ethylene terephthalate): influence on the tensile yield stress behaviour

✍ Scribed by F. Rietsch

Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
246 KB
Volume
26
Category
Article
ISSN
0014-3057

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✦ Synopsis

The influence of pre-orientation and molecular weight (various viscosities: [r/] on the yield stress behaviour has been studied for poly(ethylene terephthalate) by means of uniaxial elongation tests and birefringence measurements. The results show that the amorphous pre-orientation birefringence achieved in hot drawing seems to be the most sensitive parameter to describe the influence of the strain history on the yield stress.

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