Tungsten Carbide/Cemented Carbide uses one or several refractory metal carbide powders, such as tungsten carbide powder and niobium carbide powder, as hard phases, and uses cobalt and nickel powder as bonding phases, and uses powder metallurgy, injection molding technology or 3D printing process to produce alloy materials. In addition to coercive magnetic properties, there are magnetic saturation properties.
Magnetic saturation of hard alloys is a kind of physical characteristic of hard alloys, which can comprehensively reflect minor changes of alloy structure, changes of carbon content, grain size and grain size distribution of tungsten carbide and can be expressed in accurate quantity relation.
The main reason for the magnetic saturation characteristic of hard alloy is that the alloy contains ferromagnetic cobalt (Co). Cobalt is a transition metal element, its cell is densely packed hexagonal cell, located in the fourth cycle, Group VIII, periodic table, atomic number 27, atomic weight 58.93, electron configuration [Ar]3d74s2, atomic radius 125pm, specific gravity 8.9g/cm3, with ferromagnetism, magnetism will disappear when heated to 1150℃.
