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.
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R. D. Maksimov, E. A. Sokolov, and V. P. Mochalov, “Effect of temperature and humidity on the creep of polymer materials. 1. Uniaxial elongation under steady temperature-humidity conditions”, Mekh. Polim., No. 3, 393–399 (1975).
M. A. Koltunov and I. E. Troyanovskii, “Method of elastic solutions to problems in thermoviscoelasticity”, Mekh. Polim., No. 4, 603–614 (1970).
For communication 1, see .
Institute of Polymer Mechanics, Academy of Sciences of the Latvian SSR, Riga. Translated from Mekhanika Polimerov, No. 6, pp. 976–982, November–December, 1975.
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Maksimov, R.D., Sokolov, E.A. & Mochalov, V.P. Effect of temperature and humidity on the creep of polymer materials. Polymer Mechanics 11, 834–839 (1975). https://doi.org/10.1007/BF00857602
- Test Data
- Polymer Material
- Statistical Estimate
- Linear Range