Temperature ,

T ˚C

Hardness HV, GPa

Tested T composite

WC 92-Co 8

Ti(C, N) 80-Co 20

200

14.0

13.0

14.0

400

13.0

10.5

11.5

600

11.0

8.0

8.5

800

9.0

5.5

6.0

1000

6.5

3.5

4.0