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Effect of time and temperature on nonlinear constitutive equation in polypropylene

โœ Scribed by Masayoshi Kitagawa; Tomohiko Matsutani


Publisher
Springer
Year
1988
Tongue
English
Weight
518 KB
Volume
23
Category
Article
ISSN
0022-2461

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Time and temperature effects on the tens
โœ T. C. Uzomah; S.C.O. Ugbolue ๐Ÿ“‚ Article ๐Ÿ“… 1997 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 202 KB ๐Ÿ‘ 2 views

Tensile tests were made on polypropylene films as a function of aging temperature from 80 to 130ะŠC at a strain rate of 5 cm min 01 . Polypropylene films aged at 60 and 100ะŠC and at time intervals up to 180 min were also stretched at the same strain rate. The yield stress and initial modulus were fou

Time and temperature effects on the ulti
โœ T. C. Uzomah; S. C. O. Ugbolue ๐Ÿ“‚ Article ๐Ÿ“… 1997 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 209 KB ๐Ÿ‘ 2 views

The ultimate properties of thermally oxidized polypropylene (PP) films have been determined. Attention was focused on the variation of draw stress, tensile strength, draw ratio, breaking extension, breaking factor, work of draw, and work of rupture, with a change in temperature and time of heat trea