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Does Cemented Carbide have excellent wear resistance?

Publish Time: 2024-11-12
Cemented Carbide is known for its excellent wear resistance in industrial applications. Cemented Carbide is a composite material consisting of a hard phase such as tungsten carbide (WC) or titanium carbide (TiC) and a metal bonding phase such as cobalt (Co) or nickel (Ni). It has extremely high hardness, strength and wear resistance and is widely used in various cutting tools, drills, molds and other fields.

1. Composition and structure of Cemented Carbide

Hard phase: The main hard phase of Cemented Carbide is tungsten carbide (WC), which has extremely high hardness and wear resistance. Tungsten carbide has a hardness close to that of diamond and can maintain its hardness and strength under high load and high temperature conditions.

Bonding phase: The bonding phase is usually cobalt (Co), which can bond the hard phases together to form a solid overall structure.

Multiphase structure: Cemented Carbide can contain a combination of multiple hard phases and binder phases, such as titanium carbide (TiC), tantalum carbide (TaC), etc., to further improve the strength and wear resistance of the material.

2. Physical and mechanical properties of Cemented Carbide

High hardness: Cemented Carbide's hardness is usually much higher than that of high-speed steel and ceramic materials, and it can maintain the sharpness of the tool under high cutting speeds and loads.

High strength: Cemented Carbide's bending strength and compressive strength are much higher than ordinary tool steels, and it can maintain structural integrity under high loads and impact conditions.

High wear resistance: Due to the high hardness of the hard phase and the good toughness of the binder phase, Cemented Carbide has excellent wear resistance, can withstand long-term cutting and wear, reduce the frequency of tool replacement, and improve production efficiency.

3. Application of Cemented Carbide Cutter Heads

Cutting Tools: Cemented Carbide Cutter Heads are widely used in metal cutting tools, such as milling cutters, turning tools, planing cutters, etc., and can efficiently process various materials, including steel, cast iron, aluminum, copper and other metals.

Drill Bits: Cemented Carbide drill bits can drill holes in high hardness and high wear environments, and are suitable for oil drilling, mining and other fields.

Molds: Cemented Carbide Cutter Heads are also used to manufacture various molds, such as stamping molds, die-casting molds, etc., which can maintain high precision and long life under high temperature and high frequency use conditions.

4. Wear-resistant mechanism of Cemented Carbide Cutter Heads

Microstructure: The microstructure of Cemented Carbide consists of uniformly distributed hard phase particles and a bonding phase matrix. The hard phase particles can withstand the main wear and impact during the cutting process, and the bonding phase matrix provides good toughness and impact resistance.

Self-lubrication: Some Cemented Carbide polishing heads can form an oxide film during the cutting process, which has self-lubrication and reduces friction and wear.

Thermal stability: Cemented Carbide can maintain good thermal stability under high cutting speed and load, is not easy to soften and deform, and prolongs the service life of the tool.

5. Manufacturing process of Cemented Carbide polishing heads

Powder metallurgy: Cemented Carbide polishing heads are usually manufactured using powder metallurgy technology. Through powder mixing, pressing, sintering and other steps, a dense multiphase structure is formed to ensure the high hardness and wear resistance of the material.

Precision machining: Cemented Carbide polishing heads need to be precisely machined during the manufacturing process, such as grinding, lapping, polishing, etc., to ensure the geometric accuracy and surface quality of the tool and improve cutting efficiency and wear resistance.

Coating technology: In order to further improve the wear resistance of Cemented Carbide polishing heads, coating technology is often used, such as TiN (titanium nitride), TiCN (titanium carbonitride), AlTiN (aluminum titanium nitride) and other coatings to increase the hardness and wear resistance of the tool and extend its service life.

Cemented Carbide polishing heads have excellent wear resistance, thanks to their high-hardness hard phase, high-toughness bonding phase, multi-phase microstructure and advanced manufacturing process. In various high-load, high-impact and high-wear environments, Cemented Carbide polishing heads can maintain excellent performance, extend the service life of the tool and improve production efficiency.
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