Comprehensive Comparison of Material Properties of Milling Tools

1. The order of hardness of tool materials: PCD>PCBN>A1, O, based ceramics>Si, N, based ceramics>TiC (N) based carbide>WC based ultrafine grained carbide>High speed steel (HSS)
2. The order of bending strength of tool materials is HSS>WC-based cemented carbide>TiC(N)-based cemented carbide>Si, N-based ceramics>A1,0:-based ceramics>PCD>PCBN
3. The order of fracture toughness of tool materials is HSS>WC-based cemented carbide>TiC(N)-based cemented carbide>PCBN>PCD>SiN-based ceramics>A1O, based ceramics
4. The heat-resistant temperatures of various tool materials are PCD tools 700~800℃, PCBN tools 1200~1500℃, ceramic tools 1100~1200℃, TiC(N)-based carbide 900~1100℃, WC-based Ultra-fine grain cemented carbide is 800~900℃, HSS is 600~700℃
5. The order of thermal conductivity of various tool materials is PCD>PCBN>WC-based cemented carbide>TiC(N)-based cemented carbide
>HSS>Si, N, based ceramics>ALO, based ceramics
6. The order of thermal expansion coefficients of various tool materials is HSS>WC-based cemented carbide>TiC(N)>A1, O-based ceramics>PCBN>SiN-based ceramics>PCD
7. The order of thermal vibration resistance of various tool materials: HSS>WC-based cemented carbide>Si, N-based ceramics>PCBN>PCD>TiC(N)-based cemented carbide>ALO: based ceramics
8. Various tool materials have high bonding temperature resistance (with steel parts), low polymer cubic boron PCBN>ceramics>TiC(N) based carbide>WC based carbide>high speed steel
9. Various tool materials have high and low bonding temperature resistance (with nickel-based alloys): ceramics > polycrystalline cubic boron nitride PCBN > WC-based carbide > polycrystalline diamond PCD > high-speed steel
10. Various tool materials with high and low oxidation temperature resistance Ceramics>Polycrystalline cubic boron nitride PCBN>WC-based carbide>Polycrystalline diamond PCD>High-speed steel
11. The anti-diffusion strength of various tool materials (compared with steel) is high and low. Polycrystalline diamond PCD>SiN-based ceramics>Polycrystalline cubic boron nitride PCBN>A1, O:-based ceramics
12. The anti-diffusion strength of various tool materials (with titanium alloys) is high and low AIO, based ceramics>polycrystalline cubic boron nitride PCBN>SiC>SiN based ceramics>polymer diamond PCD
13. The order of solubility of tool material elements in steel (not hardened) is (1027°C) SiC>Si, N-based ceramics>WC-based cemented carbide>PCBN>TiN>TiC>A10:-based ceramics>ZrO2