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CTF25E: Enhanced PCD Tool & Shank Material with Superior Brazability and Toughness

CTF25E: for the production of PCD tools and tool shanks. The increased cobalt content and the coarser grain improve brazability while increasing fracture toughness.

Properties

General

PropertyTemperatureValue

Density

23.0 °C

14.15 g/cm³

Grain structure

Fine (0,8µm - 1,3µm)

Mechanical

PropertyTemperatureValueComment

Elastic modulus

23.0 °C

543 GPa

Hardness, Rockwell A

23.0 °C

89.5 [-]

Hardness, Vickers, 10

23.0 °C

1310 [-]

EN ISO 6507-1

Hardness, Vickers, 30

23.0 °C

1300 [-]

EN ISO 6507-1

Plane-Strain Fracture Toughnes

23.0 °C

15 MPa·√m

ISO 28079

Poisson's ratio

23.0 °C

0.22 [-]

Tensile strength, transverse

23.0 °C

3500 MPa

DIN EN ISO 7438

Thermal

PropertyTemperatureValue

Coefficient of thermal expansion

23.0 °C

5.45E-6 1/K

Specific heat capacity

23.0 °C

0.2 J/(kg·K)

Thermal conductivity

23.0 °C

98 W/(m·K)

Thermal diffusivity

23.0 °C

34.4 mm²/s

Chemical properties

PropertyValueComment

Cobalt

12.5 %

as binder

Other

1.2 %

Tungsten

WC balance

Technological properties

Property

Composite material

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  10. CTF25E: Enhanced PCD Tool & Shank Material with Superior Brazability and Toughness