球形凝聚金刚石微球研磨性能及磨损机理研究

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

International Journal of Refractory Metals & Hard Materials Pub Date : 2025-10-22 DOI:10.1016/j.ijrmhm.2025.107502

Shuaifei Kong , Quanbin Du , Yinghua Wang , Yizhe Li , Zhiyu Min , Lei Wang

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引用次数: 0

摘要

钻石在世界各地被用作研磨颗粒。然而，当用于加工高硬度脆性材料时，它面临着加工效率较低和自调节等重大挑战。为了解决这一问题，本研究制备了不同粒径的球形凝聚金刚石微球（SAD）。结果表明：含1.5 μm金刚石的金刚石微粉的抛光效率高于含M 1/2、M 2/4、M 4/8和M 5/10的金刚石微粉；用M1/2金刚石微粉制备的SAD作为磨料，蓝宝石的最大MRR为1.7 μm/min。在销盘摩擦磨损试验机上进行了磨损试验，获得了SAD的磨损机理，磨削实验表明，SAD在磨削过程中具有更多的切削刃和更好的耐磨性。

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Study on the lapping performance and wear mechanism of spherical agglomerated diamond microspheres

Diamond is utilized throughout the world as lapping particles. However, it undergoes major challenges when used to process brittle materials with high hardness, such as lower processing efficiency and self-conditioning. In this study, spherical agglomerated diamond microspheres (SAD) with different particle sizes were prepared to solve this problem. The result shows that the polishing efficiency of SAD containing 1.5 μm diamond is higher than that of diamond micro powders with M 1/2, M 2/4, M 4/8 and M 5/10. When SAD prepared with M1/2 diamond micro powders are used as abrasives, the maximum MRR of sapphire is 1.7 μm/min. Moreover, Wear test was carried out on the pin-disk friction and wear testing machine to achieve the wear mechanism of SAD and the grinding experiments have shown that SAD has more cutting edges and better resistance during the grinding process.

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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.