Generally speaking, cemented carbide is a non-magnetic material with poor magnetic properties, low magnetic permeability, and no hysteresis and coercive force.
However, in some special cases, hysteresis and coercivity may occur in cemented carbide. For example, after adding a certain amount of magnetic elements such as iron, nickel, and cobalt to cemented carbide, its magnetic properties may change. The addition of these elements can increase the magnetic permeability of cemented carbide and cause hysteresis and coercive force to appear within a certain magnetic field range.
In addition, some researchers have found that during the preparation process of cemented carbide, the alloy may exhibit certain hysteresis and coercive force due to the interface obstruction between tungsten carbide and metallic cobalt.
It should be noted that the magnetic properties of cemented carbide are not stable, and their magnetic permeability, hysteresis and coercivity are affected by a variety of factors, such as composition, particle size, pressing direction, preparation method and processing. Craftsmanship etc. Therefore, for specific cemented carbide materials and application scenarios, its magnetic performance indicators need to be specifically analyzed and evaluated.
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