1. Carbide Cutting tools
1.1 Tungsten carbide (WC) You can called a "cemented carbide" Consisting of particles of tungsten carbide and binder between the particles, including cobalt, nickel or iron.
Tungsten carbide is a material which has a hardness and high toughness. The resistance to temperature changes suddenly, melting point, high 2781 Celsius used cutting materials in some categories, such as Steel and cast iron.
Also the ceramic type carbide used for cutting, such as Titanium carbide, Diem carbide, chromium carbide, etc.
1.2 Coated Cemented carbide made of tungsten carbide coating by chemical vapor deposition method of the coating thickness of approximately 5-9 micron. The substance used as a coating is the coating is Titanium carbide,Hafnium nitride, Alumina both single layer and multilayer so that make the Coated Cemented carbide is high wear resistance. Make use of the cut was higher than activated cement carbide to 5 imaginable Increase life for a long time.
2. Nitride Cutting tools
2.1 Silicon nitride. There is high thermal shock resistance,high fracture toughness and hot hardness medium good. Superior high-temperature strength. The oxidation resistance as well.
2.2 Sialon or Silicon Aluminium Oxynitrides
Sialon a fine, grain nonporous technical grade, engineering material is. A silicon nitride ceramic with a small percentage of aluminum oxide added.
Sialon is outstanding in nonferrous metal, contact. It is highly thermal, shock resistant strong and is, not wet or corroded by aluminum brass bronze,And other common industrial metals.
- Sialon Properties
Excellent thermal shock resistance
Not wetted or corroded by. Nonferrous Metals
High strength Good fracture toughness Good high temperature strength
Low thermal expansion
Good. Oxidation resistance
- Typical Sialon Uses
Thermocouple protection tubes for nonferrous metal melting
Immersion heater. And burner tubes.
Degassing and injector tubes in nonferrous metals
Metal feed tubes in aluminum die casting
Welding and brazing fixtures. And pins
- Sialon General Information
The combination of Silicon Nitride and aluminum oxide produces a material with the. Excellent, strength hardness fracture toughness, and low thermal expansion of silicon nitride enhanced by corrosion resistance,Good high temperature strength and oxidation resistance imparted by the aluminum oxide.