KEY RELATIONSHIPS THEORY OF VISCOELASTICITY FOR THE DESCRIPTION OF FLOW CHARACTERISTICS ENGINEERING PLASTICS
The article provides a brief overview of the basic equations of elasticity theory to describe the rheological properties of engineering plastics in the area of small deformations. The characteristics of the two approaches with respect to that. What kind of influence functions should be used in engineering calculations. Is a structural relationship of the relaxation processes. To obtain accurate forecast of long-term deformability of polymers put the problem of numerical analysis of the profile, their creep tests.