elasticity, plasticity, thermal stresses, interference fit, shrink fit, stresses in a rotating disc.

On the example of a composite disk, created by means of a hot-fit operation, the pulloff strength of such a disk is studied. separation forces as centrifugal forces with relative rotation of its central axis. It is shown that the created interference fit in the assembly has a pronounced tendency to decrease. However, for vanishing, sufficiently significant angular velocities of rotation are required. An example of calculating the near-limit angular velocity, depending on the original covered part of the assembly, of the thermomechanical properties of the material and the geometric characteristics of the final structure is given. Such computations in decreasing interference are essential when operating conditions require the rotation of the composite disc to be accepted as part of its functionality.

Burenin Anatoly Aleksandrovich, Doctor of Physics and Mathematics Sci., Corresponding Member of the Russian Academy of Sciences, Institute of Machine science and Metallurgy, Komsomolsk on - Amur, Russia.

Tkacheva Anastasia Valerevna, Can. Sci. Phys. & Math., Senior Researcher, Institute of Machine science and Metallurgy, Komsomolsk - on - Amur, Russia.