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Uniaxial extension of linear flexible-chain polymers in an extremely broad range of stresses and strain rates |
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| Authors: | G V Vinogradov V E Dreval E K Borisenkova M K Kurbanaliev V G Shalganova |
| Institution: | (1) Institute of Petrochemical Synthesis of the USSR Academy of Science, Leninsky Prospect 29, 117912 Moscow GSP-1, USSR;(2) Tadzhik State University, Dushanbe, USSR;(3) Voronezh Branch of the All-Union Scientific, Research Institute of Synthetic Rubber, Voronezh, USSR |
| Abstract: | Summary This work summarizes the basic patterns of strainstrength behaviour of linear flexible-chain polymers at uniaxial extension. The boundaries of transition of non-cross-linked polymers under isothermal conditions from the fluid to the high-elastic and leathery states when an axial load is applied are defined. A relationship is established between the parameters of longitudinal and low-amplitude strains. A study is made into the effect of molecular parameters and liquid media on the deformation and rupture of non-cross-linked linear polymers.With 12 figures |
| Keywords: | High-elastic leathery and glassy states uniaxial extension spurt necking longitudinal viscosity modulus of high-elasticity high-elastic recoverable strain fracture envelope fracture-rupture-breaking long term durability |
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