| 发明名称 |
LOW STRESS HARD COATINGS AND APPLICATIONS THEREOF |
| 摘要 |
In one aspect, coated cutting tools are described herein. In some embodiments, a coated cutting tool comprises a substrate and a refractory layer deposited by PVD adhered to the substrate, the refractory layer comprising M1-xAlxN wherein x≧0.4 and M is titanium, chromium or zirconium, the refractory layer having a thickness greater than 5 μm, hardness of at least 25 GPa and residual compressive stress less than 2.5 GPa. |
| 申请公布号 |
US2015050489(A1) |
申请公布日期 |
2015.02.19 |
| 申请号 |
US201313969330 |
申请日期 |
2013.08.16 |
| 申请人 |
Kennametal Inc. |
发明人 |
Kumar Vineet;Penich Ronald;Leicht Peter;Liu Yixiong |
| 分类号 |
B26D1/00;C23C14/32 |
主分类号 |
B26D1/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A coated cutting tool comprising:
a substrate; and a coating comprising a refractory layer deposited by physical vapor deposition adhered to the substrate, the refractory layer comprising M1-xAlxN wherein x≧0.55 and M is titanium, chromium or zirconium, the refractory layer having a thickness greater than 5 urn, hardness of at least 25 GPa and residual compressive stress less than 2.5 GPa. |
| 地址 |
Latrobe PA US |
