Е-Публикации
Технически университет - София

Abstract: Magnetic material properties, including magnetization curve, magnetic hysteresis, and loss, are systematically examined for both grades. The effect of a solution annealing plus aging heat treatment is explored to determine how these properties differ between the as-built and heat-treated conditions. The findings illustrate a substantial improvement in magnetic properties post-heat treatment. Specifically, an increase in maximum magnetic permeability by 73 % for M789 and 56 % for M300 is measured. Additionally, reductions in hysteresis loss were observed, with a decrease of 29 % for M300 and 35 % for M789. The knowledge of these properties will be crucial for applying additive manufacturing on high-speed rotors, magnetic gears or magnetic bearings components where maraging steels are already, sometimes, utilized.

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