Experimental research on the double-sided grinding of PCBN materials with different microstructures

IF 4.2 2区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

International Journal of Refractory Metals & Hard Materials Pub Date : 2025-02-28 DOI:10.1016/j.ijrmhm.2025.107126

Chao Zhang , Xian Wu , Hongfei Yao , Xuefeng Zhao , Tao Zhang , Yuan Li , Zhongwei Chen

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引用次数: 0

Abstract

PCBN is the most suitable tool material for machining of ferrous materials, the double-sided grinding is the necessary operation in preparation of PCBN tools. In this paper, surface roughness and material removal rate in double-sided grinding of PCBN materials with different grain sizes and binder phases are studied. Based on the results, the PCBN material with low Al content achieves lower surface roughness and higher material removal rate. The binder phase with low Al content exhibits greater binding strength and is more difficult to remove, it also reduces the possibility of the spalling pit formation on the machined surface. The grain size of PCBN has a greater influence on surface roughness and material removal rate. The PCBN material with small grain size presents superior surface quality and material removal rate, and is easier to remove. The optimal double-sided grinding parameters are obtained for PCBN tools, the upper abrasive disc speed of 20 rpm, the lower abrasive disc speed of 30 rpm and the inner pin ring speed of 30 rpm, the grinding pressure of 300 kPa. The results can guide the actual preparation process for PCBN tools.

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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.