DIAMOND Coated End Mills for Graphite CVD diamond is a binderless-pure crystal, delivering identical properties of single diamond crystal.
COGO is applying the lastest CVD coating technology which has no residual Stress at the interface for extending tool life.
| Property | CVD Diamond | Mono Diamond | PCD | K10 |
|---|---|---|---|---|
| (W/m↟K) Thermal Conductivity | ~1000 | 2,000 | 560 | 110 |
| (Gpa) Hardness | 80~100 | 50~100 | 50 | 18 |
| (MPa↟m1/2) Toughness | 5~6 | 3.4 | 8~9 | 10.5 |
| (Gpa) Tensile force | 400~800 | 1,000~3,000 | 1260 | - |
| (Gpa) Compressive strength | 16.0 | 9.0 | 7.6 | 6.1 |
| (Gpa) TRS | 1.3 | 2.9 | 1.2 | 2.4 |