金刚石粉末粒度分布对PDC力学性能和应用性能的影响

IF 4.3 3区材料科学 Q2 MATERIALS SCIENCE, COATINGS & FILMS

Diamond and Related Materials Pub Date : 2025-04-24 DOI:10.1016/j.diamond.2025.112367

Xiaohua Ke , Alojz Ivankovic , Xiongwen Yang , Vishnu Prasad , Neal Murphy , Xiaoqing Zhu

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引用次数: 0

摘要

选择窄度分析尺寸参数（SPAN）分别为0.5、0.7和1.0,10 ~ 20 μm范围内具有正态分布特征的3种金刚石粉末（P1、P2和P3），制作PDC切削齿（S1、S2和S3），加工成PDC钻头（Bit1、Bit2和Bit3）。对金刚石粉末的粒度分布、PDC切削齿的微观特征和力学性能以及PDC钻头的应用性能进行了评价。试验结果表明，随着金刚石粉的SPAN减小，金刚石粉的表面积平均直径ds减小，而体积平均直径dv增大。PDC的微观结构特征与ds的关系更为密切。PDC的耐磨性和热稳定性与ds相关，而PDC的抗冲击性受dv的影响较大。在现场测试中，与Bit2和Bit3相比，Bit1具有明显的优势，进尺分别提高了137%和184%，机械钻速分别提高了35%和50%。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Effect of diamond powder grain size distribution on mechanical and application properties of PDC

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Effect of diamond powder grain size distribution on mechanical and application properties of PDC

Three diamond powders (referred to as P1, P2 and P3) with size parameters for narrowness analysis (SPAN) of 0.5, 0.7 and 1.0 in the range of 10-20 μm with normal distribution characteristics were selected to produce PDC cutters (referred to as S1, S2 and S3) and further processed into PDC bits (referred to as Bit1, Bit2 and Bit3). The grain size distribution of the diamond powders, the microscopic characteristics and mechanical properties of the PDC cutters, and the application performance of the PDC bits were also evaluated. The tests showed that as the SPAN of the diamond powder decreases, the surface area average diameter (d_s) decreases while the volume average diameter (d_v) increases. The microstructural characteristics of PDC correlate more closely with d_s. The wear resistance and thermal stability of PDC are correlated with d_s, while the impact resistance of PDC is more influenced by d_v. In the field test, Bit1 showed significant advantages compared to Bit2 and Bit3, the footage increased by 137% and 184%, the rate of penetration (ROP) increased by and 35% and 50% respectively.

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来源期刊

Diamond and Related Materials 工程技术-材料科学：综合

CiteScore

6.00

自引率

14.60%

发文量

702

审稿时长

2.1 months

期刊介绍： DRM is a leading international journal that publishes new fundamental and applied research on all forms of diamond, the integration of diamond with other advanced materials and development of technologies exploiting diamond. The synthesis, characterization and processing of single crystal diamond, polycrystalline films, nanodiamond powders and heterostructures with other advanced materials are encouraged topics for technical and review articles. In addition to diamond, the journal publishes manuscripts on the synthesis, characterization and application of other related materials including diamond-like carbons, carbon nanotubes, graphene, and boron and carbon nitrides. Articles are sought on the chemical functionalization of diamond and related materials as well as their use in electrochemistry, energy storage and conversion, chemical and biological sensing, imaging, thermal management, photonic and quantum applications, electron emission and electronic devices. The International Conference on Diamond and Carbon Materials has evolved into the largest and most well attended forum in the field of diamond, providing a forum to showcase the latest results in the science and technology of diamond and other carbon materials such as carbon nanotubes, graphene, and diamond-like carbon. Run annually in association with Diamond and Related Materials the conference provides junior and established researchers the opportunity to exchange the latest results ranging from fundamental physical and chemical concepts to applied research focusing on the next generation carbon-based devices.