CN 41-1243/TG ISSN 1006-852X

2022 Vol. 42, No. 6

Challenges of future high-precision polishing methods for hard-to-process materials by the fusion of environmental control and plasma technology
DOI K. Toshiro, AIDA Hideo, OHNISHI Osamu, YIN Shaohui, REN Yinghui
2022, 42(6): 637-649. doi: 10.13394/j.cnki.jgszz.2022.7001
Abstract(1690) HTML (566) PDF 9820KB(217)
Abstract:
Wide-band-gap semiconductors such as silicon carbide, gallium nitride, and diamond are known as hard-to-process materials. In this study, two types of chemical mechanical polishing (CMP)-related processing equipment were designed to create novel high-efficiency and high-quality processing technology...
Economic operation of China's superhard industry in the first half of 2022
LI Lijuan, LI Zhihong, ZHANG Beibei, ZHAO Xinghao, LI Xuanji, WANG Jie, SUN Zhaoda
2022, 42(6): 650-655. doi: 10.13394/j.cnki.jgszz.2022.4002
Abstract(803) HTML (306) PDF 1964KB(116) Cited By (1)
Abstract:
Based on the Purchasing Managers' Index, the relevant data of the superhard material industry, the import and the export data of superhard commodities of China Customs, and the import data of United States and Japan Customs, 6 tables and 8 charts are summarized in this study to analyze the economic ...
Evaluation method for the mechanical diamond retention of impregnated bit matrix
ZHAO Xiaojun, DUAN Longchen, TAN Songcheng, FANG Xiaohong
2022, 42(6): 656-661. doi: 10.13394/j.cnki.jgszz.2022.3005
Abstract(582) HTML (254) PDF 2140KB(72)
Abstract:
The diamond retention of traditional impregnated diamond matrix comes from the mechanical holding force. The residual compressive stress on the diamond surface is an important index used to evaluate the mechanical holding force. The existing calculation methods for the compressive stress were compar...
New development of efficient rock breaking technology with diamond bit
SHEN Lina, JIA Meiling, CAI Jiapin, WU Haixia, LI Chun, LIU Hailong
2022, 42(6): 662-666. doi: 10.13394/j.cnki.jgszz.2022.3009
Abstract(840) HTML (262) PDF 2546KB(97) Cited By (8)
Abstract:
Diamond bit is an important tool for drilling. In recent years, with the application of new composite materials and the continuous progress in precision machining technology, combined with the continuous innovation of drilling equipment, diamond bits have achieved rapid development. This paper brief...
Preparation of high thermal conductivity diamond/Cu–B alloy composites by gas pressure infiltration method
KANG Aolong, KANG Huiyuan, JIAO Zengkai, WANG Xi, ZHOU Kechao, MA Li, DENG Zejun, WANG Yijia, YU Zhiming, WEI Qiuping
2022, 42(6): 667-675. doi: 10.13394/j.cnki.jgszz.2022.0017
Abstract(834) HTML (358) PDF 4591KB(85) Cited By (4)
Abstract:
The Cu–B alloy with boron mass fraction of 0.5% was used as the metal matrix, and the diamond with an average particle size of 500 μm was used as reinforcement, the diamond/Cu–B alloy composites were prepared by gas pressure infiltration method. The effects of gas pressure parameters on the microstr...
Effect of boron doping gradient on cemented carbide diamond coatings
XIA Xin, YU Han, HUA Tengyu, MA Li, CHEN Yubai, TANG Changren, LIANG Yu, WANG Yijia, DENG Zejun, ZHOU Kezhao, YU Zhiming, WEI Qiuping
2022, 42(6): 676-684. doi: 10.13394/j.cnki.jgszz.2022.0014
Abstract(722) HTML (262) PDF 4467KB(44) Cited By (3)
Abstract:
To improve the binding properties of diamond coating on carbide tools, three micrometer crystal diamond coatings were successfully deposited on YG8 carbide substrate via hot-filament chemical vapor deposition, whose boron gradient ranged from high (HGBMCD) to low (LGBMCD) and zero (MCD). The effect ...
Thermal explosion reaction coating on diamond surface of Cr/Al/B/diamond system
HAN Jingxian, LIU Jialin
2022, 42(6): 692-698. doi: 10.13394/j.cnki.jgszz.2022.0059
Abstract(592) HTML (294) PDF 3787KB(33) Cited By (1)
Abstract:
Cr/Al/B/diamond powder was used as raw material, and a small amount of Cr2O3 or B2O3 was added to induce thermal explosion reaction. The results show that under the protection of high-purity Ar, the sample after thermal explosion reaction is seriously powdered, and it is easy to separate the binder ...
Microstructures and mechanical properties of PCBN materials
ZHANG Bin, GUO Hongyi
2022, 42(6): 699-704. doi: 10.13394/j.cnki.jgszz.2022.0078
Abstract(819) HTML (288) PDF 2600KB(81) Cited By (1)
Abstract:
The PCBN material was prepared by high temperature and high pressure method at 1 500℃ and different holding times with CBN-TiN-Ti-Al2O3 as the initial raw material. The phase compositions, microstructures, mechanical properties and cutting performance of PCBN under different sintering holding times ...
Analysis on the lapping uniformity of MPCVD polycrystalline diamond wafer
XU Yuchun, ZHU Jianhui, WANG Ningchang, SHI Chaoyu, ZHAO Yanjun, SHAO Junyong, XU Shuai
2022, 42(6): 705-712. doi: 10.13394/j.cnki.jgszz.2022.0162
Abstract(836) HTML (521) PDF 2985KB(96) Cited By (2)
Abstract:
In the process of free abrasive lapping, the driving mode and process parameters directly affect the flatness and surface roughness of the workpiece. To explore the effect of free abrasive lapping process parameters based on rotary swing drive on the planarization of MPCVD polycrystalline diamond fi...
Research on ultrasonic vibration grinding technology of SiCp/Al composites
SUN Baoyu, FU Xingbao, YUAN Xu, GU Yan
2022, 42(6): 713-719. doi: 10.13394/j.cnki.jgszz.2022.0016
Abstract(685) HTML (244) PDF 4386KB(77) Cited By (5)
Abstract:
In view of the difficulties in processing SiCp/Al materials by traditional grinding methods, the rapid wear of grinding tools, and the difficulties in obtaining high surface quality after processing, the ultrasonic vibration grinding method can significantly improve the processing effect. By analyzi...
Effect of pad and slurry on fixed abrasive polishing of gallium oxide crystal
WU Cheng, LI Jun, HOU Tianyi, YU Ningbin, GAO Xiujuan
2022, 42(6): 720-727. doi: 10.13394/j.cnki.jgszz.2022.0043
Abstract(856) HTML (257) PDF 3314KB(76) Cited By (3)
Abstract:
Gallium oxide crystal is one of the most representative fourth generation semiconductor materials with the advantages of high band gap, high voltage resistance and short absorption cutoff edge. It has broad application prospects. Micro-cracks, scratches and other surface defects are prone to appear ...
Research on abrasive wear dress of CBN honing tool based on single abrasive cutting
YANG Changyong, ZHANG Nianhui, SU Hao, DING Wenfeng
2022, 42(6): 728-737. doi: 10.13394/j.cnki.jgszz.2022.0022
Abstract(792) HTML (357) PDF 5147KB(77) Cited By (2)
Abstract:
The abrasive wear characteristics of large length to diameter ratio CBN single-pass honing tools during ultrasonic dressing process were studied by single abrasive test with 4Cr13 stainless steel as dressing material. The test results show that the average cutting force during ultrasonic cutting is ...
Effect of abrasive pattern on grinding micro-groove drag-reduction surface
WANG Junbo, LYU Yushan, MU Li, LI Xingshan
2022, 42(6): 738-744. doi: 10.13394/j.cnki.jgszz.2022.0031
Abstract(738) HTML (271) PDF 2714KB(51) Cited By (2)
Abstract:
In order to study the effect of abrasive arrangement pattern on grinding the surface of structured grooves, grinding wheels with three different abrasive orderly arrangements, namely phyllotactic pattern, staggered pattern and array pattern, were used to grind a flat surface. Firstly, the mathematic...
Optimization of CMP processing parameters for Si based on response surface method
BIAN Da, SONG Enmin, NI Zifeng, QIAN Shanhua, ZHAO Yongwu
2022, 42(6): 745-752. doi: 10.13394/j.cnki.jgszz.2022.0081
Abstract(1197) HTML (421) PDF 3636KB(92) Cited By (9)
Abstract:
To improve the polishing efficiency and precision, the optimum processing parameters of Si in the chemical mechanical polishing (CMP) process were analysed by CMP experiments and response surface methodology. The results show that polishing pressure has the largest influence on the material removal ...
Effect of complexing agent on chemical-mechanical polishing effect of 316L stainless steel
CHEN Guomei, DU Chunkuan, NI Zifeng, BIAN Da, WANG Hao, ZHANG Ping, ZHANG Xin
2022, 42(6): 753-759. doi: 10.13394/j.cnki.jgszz.2022.0047
Abstract(929) HTML (356) PDF 2648KB(57) Cited By (2)
Abstract:
To improve the chemical mechanical polishing (CMP) performance of 316L stainless steel, the effect and its mechanism of complexing agent types on the CMP process of 316L stainless steel were studied. The influence of complexing agent types, including glycine, oxalic acid and citric acid, and their c...
Effect of room temperature cobalt removal on the microstructure and mechanical properties of PCD
Effect of room temperature cobalt removal on the microstructure and mechanical properties of PCD
ZHANG Peng, YANG Xuefeng, CHEN Bingwei, HUANG Leibo, PIAN Xiaoxuan, LI Zhengxin, YAN Ning, WANG Xiaoqi, SUN Guannan, ZHANG Pengfei, Li Zhiyao, SI Zhihua, CHEN Qiang, YI Juan, LI Jinxin
2022, 42(6): 685-691. doi: 10.13394/j.cnki.jgszz.2022.0052
Abstract(1075) HTML (347) PDF 3890KB(74) Cited By (1)
Abstract:
In order to improve the thermal stability of PCD during practical application, the mixed solution of sulfuric acid and hydrogen peroxide was selected to remove cobalt from PCD. The effect of decobaltization on microstructure and mechanical property of PCD as well as its mechanism were studied. Accor...