Abstract
An algorithm of the calculation of residual thermal stresses in WC polycrystalline aggregates of WC-Co hard alloy has been considered. The equations of thermoelasticity have been used as the basis for the algorithm. Stresses, in a polycrystal are generated due to anisotropy of the thermal expansion of single-crystalline grains and misorientation of crystallographic axes of neighboring grains as well as stresses that are transmitted to the aggregate from the surrounding hard alloy, have been calculated. The results obtained are comparable to the experimental data.
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