AN ELECTRICAL CONDUCTIVITY INSPECTION METHODOLOGY OF POLYCRYSTALLINE DIAMOND CUTTERS

被引：2
|
作者：
Bogdanov, G. [1 ]
Wiggins, J. [2 ]
Bertagnolli, K. [2 ]
Ludwig, R. [1 ]
机构：
[1] Worcester Polytech Inst, Dept Elect & Comp Engn, 100 Inst Rd, Worcester, MA 01609 USA
[2] US Synthet, Orem, UT 84058 USA
来源：
REVIEW OF PROGRESS IN QUANTITATIVE NONDESTRUCTIVE EVALUATION, VOLS 31A AND 31B | 2012年 / 1430卷
关键词：
Polycrystalline Diamond; Electrical Conductivity Imaging; Electrical Impedance Tomography; MICROSTRUCTURE;
D O I：
10.1063/1.4716263
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The polycrystalline diamond cutter (PDC) is widely used in oil and gas drilling operations. It is manufactured by sintering diamond powder onto a tungsten carbide substrate at 6 GPa and 1500 C. During sintering, molten cobalt from the substrate infiltrates the diamond table. The residual metal content correlates with cutter performance. We present an instrument that employs electrical impedance tomography capable of imaging the 3D metal content distribution in the diamond table. These images can be used to predict cutter performance as well as detect flaws.
引用
收藏
页码：457 / 464
页数：8
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