通过多级封装和逐级筛分，在浸渍钻头中实现均匀的金刚石分布：提高钻井性能的途径

IF 4.6 2区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

International Journal of Refractory Metals & Hard Materials Pub Date : 2025-07-18 DOI:10.1016/j.ijrmhm.2025.107338

Y.L. Ma , Y. Ding , Z.G. Sun , J. Ren , J.L. Zhao , Q.Q. Zhou

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引用次数: 0

摘要

金刚石的不均匀分布仍然是金刚石工具行业面临的一个持续挑战。本文研究了浸渍金刚石钻头中金刚石均匀分布的实现。通过多级包埋和逐级筛分，成功制备了包裹金刚石颗粒，实现了金刚石均匀分布的浸渍金刚石块和浸渍金刚石钻头的制备。对均匀分布的金刚石块进行了性能测试和微观表征。钻进试验结果表明，金刚石均匀分布钻头的钻进速度比常规钻头提高了约30%。均匀分布的钻石有助于形成更锋利、更可靠的微切削刃，从而实现更快、更高效的岩石切割。该研究可为提高金刚石工具行业的研究效率提供有价值的见解和实用参考。

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Achieving uniform diamond distribution in impregnated bits through multi-stage encapsulation and stage-by-stage sieving: A pathway to enhanced drilling performance

The uneven distribution of diamonds remains an ongoing challenge in the diamond tool industry. In this paper, the achievement of diamonds uniform distribution in impregnated diamond bits were investigated. Wrapped diamond particles were successfully prepared by multi-stage encapsulation and stage-by-stage sieving, enabling the fabricating of impregnated diamond blocks and impregnated diamond bits with a uniform distribution of diamonds. The uniformly distributed diamond blocks were subjected to performance testing and microscopic characterization. Drilling experiment results showed that the drilling rate of bits with uniform diamond distribution was increased by approximately 30 % compared to conventional bits. The evenly distributed diamonds enhance the formation of sharper and more reliable micro-cutting edges, therefore resulting in faster and more efficient rock cutting. This study can provide valuable insights and a practical reference for the efficiency improvement of research in the diamond tool industry.

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来源期刊

$International Journal of Refractory Metals & Hard Materials$

International Journal of Refractory Metals & Hard Materials 工程技术-材料科学：综合

CiteScore

7.00

自引率

13.90%

发文量

236

审稿时长

35 days

期刊介绍： The International Journal of Refractory Metals and Hard Materials (IJRMHM) publishes original research articles concerned with all aspects of refractory metals and hard materials. Refractory metals are defined as metals with melting points higher than 1800 °C. These are tungsten, molybdenum, chromium, tantalum, niobium, hafnium, and rhenium, as well as many compounds and alloys based thereupon. Hard materials that are included in the scope of this journal are defined as materials with hardness values higher than 1000 kg/mm2, primarily intended for applications as manufacturing tools or wear resistant components in mechanical systems. Thus they encompass carbides, nitrides and borides of metals, and related compounds. A special focus of this journal is put on the family of hardmetals, which is also known as cemented tungsten carbide, and cermets which are based on titanium carbide and carbonitrides with or without a metal binder. Ceramics and superhard materials including diamond and cubic boron nitride may also be accepted provided the subject material is presented as hard materials as defined above.