Advantages and disadvantages of ceramic alloy blades
Release time:
2024-07-12
Ceramic tool is not a universal tool, only the correct use can give full play to its advantages, for the need for high impact processing may not be suitable
High hardness and wear resistance: The hardness of ceramic tools is higher than that of cemented carbide and high-speed steel tools, reaching 93 ~ 95HRA, which has good wear resistance and can process high-hard materials that are difficult to process with traditional tools.
High temperature resistance: Ceramic tools can still be cut at high temperatures above 1200 ℃, and have good high temperature mechanical properties. The hardness at 800 ℃ is 87HRA, and the hardness at 1200 ℃ is still 80HRA. As the temperature rises, the high temperature mechanical properties decrease slowly.
Good chemical stability: Ceramic tools are not easy to bond with metals, and have good corrosion resistance and chemical stability, which can reduce the bonding wear of tools.
Low friction coefficient: small affinity with metal, low friction coefficient, can reduce the cutting force and cutting temperature.
Rich raw materials: The main raw materials used are alumina, silicon oxide, carbides, etc., which are the most abundant elements in the earth's crust, which are very beneficial to the development of ceramic tool materials and save strategic precious metals.
The disadvantages of ceramic alloy blades mainly include:
Low strength and toughness: The strength and toughness of alumina ceramic blades are very low and easy to break.
Not suitable for all applications: Ceramic tools are not universal tools, only the correct use can give full play to its advantages, for the need for high impact processing may not be suitable.
In summary, the ceramic alloy blade performs well in the field of high-speed cutting and hard cutting. It has the advantages of high hardness, good wear resistance, high temperature resistance, and good chemical stability, but it also has low strength and toughness. Disadvantages that are not suitable for all application scenarios.
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