Thermal stresses in the Nd2Fe14B polycrystal system with grain boundary phase
Thermal stresses in the Nd2Fe14B polycrystal system with grain boundary phase
The present study focuses on the evaluation of residual stresses caused by temperature changes in production and recycling of Nd2Fe14B permanent magnets. Using a mechanistic approach was derived an analytical solution, for the contact of two infinitely large crystals. For checking the analytical solutions, modelling has been performed by the FEM. Strain values were measured in the stationary area. The strain was computed for different systems such as direct contact of two Nd2Fe14B grains at different orientations and Nd2Fe14B – Cu interfaces. The results of the analytical calculation and simulation have shown satisfactory matching.
- Vinnytsia National Technical University Ukraine
- Danube University Krems Austria
G.A. 1233359, Horizon Europe, residual stresses and strain, Nd2Fe14B1, permanent magnet, permanent magnets, European Union, Nd2Fe14B, polycrystal, MSCA4Ukraine
G.A. 1233359, Horizon Europe, residual stresses and strain, Nd2Fe14B1, permanent magnet, permanent magnets, European Union, Nd2Fe14B, polycrystal, MSCA4Ukraine
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