The magnetic properties of the four kinds of products were investigated by vibrating sample magnetometer and the results indicated that all products were hardmagneticmaterials.
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。
2
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。
3
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 magneticmaterials, etc.