Cemented carbide is a non-magnetic material and its magnetic properties are generally poor. In a low magnetic field, the magnetic permeability of cemented carbide is low, about 1.01~1.03, and its saturation magnetic induction intensity is also low, generally 0.1~0.3T. In high magnetic fields, the magnetic permeability of cemented carbide will further decrease, and hysteresis and coercivity may occur, which indicates that cemented carbide has a certain hysteresis loss and magnetization intensity.
In addition, the magnetic permeability of cemented carbide is also affected by factors such as its composition, particle size and pressing direction. For example, tungsten carbide cemented carbide has a low magnetic permeability, while alloys with added alloying elements such as cobalt and nickel have a higher magnetic permeability. At the same time, the magnetic permeability of cemented carbide is also related to its pressing direction. The magnetic permeability perpendicular to the pressing direction is higher, and the magnetic permeability parallel to the pressing direction is lower.
It should be noted that the magnetic properties of cemented carbide are related to factors such as its structure, preparation method and processing technology. Specific magnetic performance indicators need to be evaluated based on specific materials and application scenarios.
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