硬磁材料 (Hard magnetic materials) 的磁滞回线宽肥，它具有高的剩磁，高矫顽力和高饱和磁感应强度。磁化后可长久保持很强磁性，难退磁，适于制成永久磁铁。
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The magnetic properties of the four kinds of products were investigated by vibrating sample magnetometer and the results indicated that all products were hard magnetic materials.
用振动样品磁强计对上述四类产物的磁学性能做了初步研究，结果表明四类产物均为硬磁材料。
It is mainly used for sintering of hard alloy, magnetic alloy, ceramic and powder materials.
主要用于硬质合金、磁性合金、陶瓷及粉体材料的烧结。
Examples of this class include many of the rare or precious metals, strip or extruded shapes in base metals or alloys, some bearing metals, some hard or soft magnetic materials, etc.
这类产品包括许多稀有金属或贵金属，贱金属或合金带材或各种形状的挤压型材，某些轴承金属，某些硬软磁性材料等。
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