Relationship of Strength of Fibers Obtained from Ultrahigh-Molecular-Weight Polyethylene Gel with Different Multiplicity of Orientation Stretching with their Breaking Elongation
V. P. Galitsyn, S. I. Shkurenko, A. V. Sokolov, P. M. Pakhomov
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Abstract
The object of the study were samples of fibers obtained from ultrahigh-molecular-weight polyethylene (UHMWP) gel with different multiplicity of stretching (λ) with a scatter (dispersion) of mechanical properties. It is shown that the dependence of strength (σb) on breaking elongation (ε) of the studied samples is expressed by the equation σb = σb0 + K·ε and appears as a series of variously inclined straight lines specific for each λ value, which converge upon extrapolation to ε = 0 to a single point (pole), the ordinate of which coincides with the strength of unoriented fiber (σb0). With increase of λ the straight lines representing the course of the relationships σb(ε) shift toward low ε values. The decrease of ε is compensated abundantly by increase of angular coefficient K, which determines the degree of effect of ε on σb.
期刊介绍：
Fibre Chemistry publishes original research and review articles in the field of man-made fibre production and application. The journal offers scientific and technical articles on the following aspects: chemistry, technology, machinery and economics of man-made production; the initial monomers and polymers; the properties of man-made fibres and their processing in various industry branches (textiles, rubber, composites, etc).
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