| 发明名称 |
NON-UNIFORM POLYCRYSTALLINE COMPOSITE AND ITS METHOD OF MANUFACTURE |
| 摘要 |
A polycrystalline diamond composite including a generally circular sintered polycrystalline cutting disc and a refractory substrate operationally connected to the polycrystalline cutting disc. The polycrystalline cutting disc further includes a plurality of coarse diamond grains and a plurality of fine diamond grains. The plurality fine diamond grains are concentrated in an annulus positioned to define an outer edge of the polycrystalline cutting disc. |
| 申请公布号 |
US2015114725(A1) |
申请公布日期 |
2015.04.30 |
| 申请号 |
US201414504882 |
申请日期 |
2014.10.02 |
| 申请人 |
ALKHALAILEH Samer |
发明人 |
ALKHALAILEH Samer |
| 分类号 |
E21B10/567;B24D18/00;B24D3/06 |
主分类号 |
E21B10/567 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A polycrystalline diamond composite comprising:
a generally circular sintered polycrystalline cutting disc; and a refractory substrate operationally connected to the polycrystalline cutting disc; wherein the polycrystalline cutting disc further comprises:
a plurality of coarse diamond grains; anda plurality of fine diamond grains; andwherein the plurality fine diamond grains are concentrated in an annulus positioned to define an outer edge of the polycrystalline cutting disc. |
| 地址 |
Dublin OH US |
