Effect of temperature and humidity on the creep of polymer materials
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Grade PN-3 polyester resin was tested for creep in uniaxial elongation within the linear range of the stress-strain characteristics and under variable temperature-humidity conditions. The resulting creep test curves are now compared with calculations. The latter are based on the creep law and the creep characteristics which have been derived earlier  from tests under steady temperature-humidity conditions. The validity of these calculations is established by a comparison between statistical estimates pertaining to the repeatability of test data and to the accuracy of the description of results obtained in both original and control tests.
KeywordsPolymer Test Data Polymer Material Statistical Estimate Linear Range
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