Key factors in the performace of diamond tools

1. Key Factors in the Performance of Sintered Diamond Tools for Stone Sawing L. Risso, M. Pareto, M. Capurro*, L. Gaggero § Centro Sviluppo Materiali Corso Perrone 24/a I-16152 Genova Italy *DEUIM, University of Genoa P.zale Kennedy, Fiera del Mare, Pad. D I-16127 Genova Italy § DIPTERIS, University of Genoa Corso Europa 26 I-16132 Genova

3. Toughness index It is conventionally assumed that N is the number of cycles such that P NF = 0.5P T

4. Measure of TI and TTI for different materials

5. Crushed grain distribution (mesh)

7. Geometrical parameters of the model rr 33 

9. Weibull statistics Where Nc is the mean number of defects responsible for fracture at a stresses  

10. Weibull statistics

11. Weibull statistics With the hypothesis of uniform defects distribution (  (V) ) we obtain: and therefore

12. Weibull statistics n is the number of tests and m 1 m 2 m 3 m 1 =m 2 >m 3

13. Weibull statistics

14. Compression Data

15. Weibull Mudulus Distribution

16. Effect of Anvil Material

17. P  Geometrical Parameters A

18. Different inclusion morphology in SDA (B) and SDB (A) diamonds

19. <100> direction <111> direction (100) planes Typical inclusion distribution in a SDA family diamond

20. Thermal Stability: Combustion Temperature

21. Hardness of Different Stones With Similar Composition Quartz dimension: 0.1-0.2 mm Quartz dimension: 0.2-1.5 mm

22. White Finale White Marble (Carrara) 2.5 mm

23. Cobalt Properties Effect of ageing (2 h) on hardness Effect of alloying (1 at.%) on  transition

24. Mixture Properties

25. Mixture Properties

26. Cu/Sn Phase diagram

27. Abrasivity Measurement

28. Abrasivity Measurement

29. Sawability Measurement

30. Sawability Measurement