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The article presents the results of physical properties investigation of bonded permanent magnets — so-called dielectromagnets. These permanent magnets Nd-Fe-B were made by bonding a hard magnetic powder with a binding agent. For purposes of this research several hard magnetic powders were selected. Hard magnetic powders were obtained from melt-spun ribbon of Nd-Fe-B alloy. The physical properties...
Hybrid elements are one of the new solutions offered by powder metallurgy. Elements consisting of powders with different magnetic properties make the question of how measure the magnetic properties of hybrid elements composed of layers of material magnetically hard and magnetically soft and dielectromagnets made from a mixture of these same powders. Hybrid elements were made of magnetically hard Nd-Fe-B...
Temperatura jest jednym z podstawowych czynników, które powodują zmiany właściwości fizycznych magnesów trwałych. Zmiany właściwości magnetycznych magnesów trwałych pod wpływem temperatury opisują współczynniki temperaturowe remanencji i koercji. Wartości te pozwalają przewidzieć zmiany właściwości magnetycznych magnesów trwałych w temperaturach wyższych od temperatury pokojowej. Wraz z rozszerzeniem...
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