| 摘要 |
An article of manufacture adapted for use as a cutting tool is provided with an aluminum oxide coated substrate having layers of TiN and/or TiC deposited thereon, whereby the beneficial characteristics of the TiN, TiC and Al2O3 coatings are provided simultaneously for such cutting tool. The TiN/TiC outer layers are strongly bonded to the Al2O3 layer by means of an intermediate TiO layer. The process for producing such insert is also disclosed. |
