The purpose and application range of tungsten carbide particles

       Tungsten carbide cemented carbide particles have extremely high hardness and excellent wear resistance, and are widely used in drills, tools, molds, needles, knives and other industries that require wear resistance and special processing.

Ultra-fine cemented carbide has high bonding strength between tungsten carbide particles and metal bonding phase and small microstructure, which combines the characteristics of ceramics and metals at the same time, and has high toughness, high strength and high hardness. In terms of specific data, the hardness is 2% to 3% higher, and the room temperature tensile strength is 30% to 40% higher. Even at a slightly higher temperature, the hardness of ultra-fine-grained cemented carbide is not obvious. decline. Because it can be made into sharp cutting edges, at present, this type of material not only has obvious advantages in the application of difficult-to-machine materials, but also occupies an extremely important position in the high-tech field. It is widely used in various micro tools and wear-resistant parts, such as Circuit board processing micro drill, etc.

Take Beijing Nimo Company as an example. The cutting speed of cutting tools made of ultra-fine tungsten carbide carbide KN80 produced by the company can be 4 to 7 times faster than high-speed steel cutting tools.