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Tungsten hard material for wear protection
Binder
Cobalt binder
Density ρ
14.45 g/cm³ at 20 °C
Grain structure
Submicron grain size
Compressive strength Rmc
6600 MPa at 20 °C
Elastic modulus E
580 GPa at 20 °C
Fracture toughness KIC
9.4 MPa·√m at 20 °C
Hardness, Rockwell A HRA
92.3 [-] at 20 °C
Hardness, Vickers HV
1680 [-] at 20 °C
HV10
Tensile strength, transverse Rm,trans
3700 MPa at 20 °C
Coefficient of thermal expansion α
5.5E-6 1/K at 20 °C
Thermal conductivity λ
85 W/(m·K) at 20 °C
Element
Weight %
Comment
10 %
This material data has been provided by Ceratizit.