添加TiO2对Si3N4陶瓷刀具切削性能的影响
Effect of TiO2 Addition on Cutting Performance of Si3N4 Ceramic Cutting Tool
摘 要
通过气压烧结制备添加质量分数5% TiO2的Si3N4陶瓷并制成刀具,研究了TiO2对其显微组织、力学性能和切削性能的影响,并与未添加TiO2烧结Si3N4陶瓷作对比。结果表明:添加TiO2烧结Si3N4陶瓷主要由长棒状与等轴状的β-Si3N4晶粒组成,并伴有均匀分布的TiN相,与未添加TiO2烧结Si3N4陶瓷相比,晶粒得到细化,硬度上升而断裂韧度略有下降;在连续切削灰铸铁过程中,添加TiO2的Si3N4陶瓷刀具具有更长的切削寿命(有效切削长度为2 410 m),并且保持了刃口的完整性,切削后黏着磨损碎片较小。
TiO2
显微组织
力学性能
切削性能
Si3N4 ceramic cutting tool
TiO2
microstructure
mechanical property
cutting performance
Abstract
Si3N4 ceramic with mass fraction of 5% TiO2 was prepared by gas pressure sintering and was made into a cutting tool. The effects of TiO2 on its microstructure, mechanical properties and cutting performance were investigated, and compared with Si3N4 ceramic sintered without TiO2. The results show that the sintered Si3N4 ceramic with TiO2 was mainly composed of long rod-shaped and equiaxed β-Si3N4 grains, accompanied by uniformly distributed TiN phases. Compared with the sintered Si3N4 ceramic without TiO2, the grains were refined, and the hardness increased while the fracture toughness decreased slightly. In the continuous cutting process of gray cast iron, Si3N4 ceramic cutting tool with TiO2 had a longer cutting life (effective cutting length of 2 410 m) and maintained the integrity of the cutting edge, and had less adhesive wear debris after cutting.
中图分类号 TB32 DOI 10.11973/jxgccl202205011
所属栏目 材料性能及应用
基金项目 国家自然科学基金青年基金资助项目(51402055)
收稿日期 2021/3/12
修改稿日期 2022/2/28
网络出版日期
作者单位点击查看
备注周宇章(1998-),男,广东广州人,硕士研究生通信作者(导师):郭伟明教授
引用该论文: ZHOU Yuzhang,WEI Wanxin,LUO Sichun,GUO Weiming,LIN Huatai. Effect of TiO2 Addition on Cutting Performance of Si3N4 Ceramic Cutting Tool[J]. Materials for mechancial engineering, 2022, 46(5): 64～69
周宇章,魏万鑫,罗嗣春,郭伟明,林华泰. 添加TiO2对Si3N4陶瓷刀具切削性能的影响[J]. 机械工程材料, 2022, 46(5): 64～69
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【2】于俊杰.基于显微结构调控的高硬高韧氮化硅陶瓷的研究[D].广州:广东工业大学,2019:12-24. YU J J.Silicon nitride ceramics with high hardness and toughness based on microstructure tailoring[D].Guangzhou:Guangdong University of Technology,2019:12-24.
【3】吕志杰.高性能Si3N4/TiC纳米复合陶瓷刀具材料的研制与性能研究[D].济南:山东大学,2005:1-12. LV Z J.Development of high-performance Si3N4/TiC nanocomposite ceramic tool materials and investigation of their properties[D].Jinan:Shandong University,2005:1-12.
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【5】郭伟明,谭大旺,王宏建,等.含MgO-Gd2O3/Lu2O3烧结助剂的Si3N4陶瓷刀具的切削性能[J].硅酸盐学报,2017,45(6):836-840. GUO W M,TAN D W,WANG H J,et al.Cutting performance of Si3N4 ceramic cutting tools with MgO-Gd2O3/Lu2O3 additives[J].Journal of the Chinese Ceramic Society,2017,45(6):836-840.
【6】刘剑,谢志鹏,肖志才,等.烧结助剂对氮化硅陶瓷热导率和力学性能的影响[J].硅酸盐学报,2020,48(12):1865-1871. LIU J,XIE Z P,XIAO Z C,et al.Effect of sintering aids on thermal conductivity and mechanical properties of silicon nitride ceramics[J].Journal of the Chinese Ceramic Society,2020,48(12):1865-1871.
【7】刘国玺,赵昆渝,李智东,等.常压下制备氮化硅陶瓷材料的研究[J].机械工程材料,2004,28(11):22-24. LIU G X,ZHAO K Y,LI Z D,et al.Preparation of silicon nitride ceramic materials under normal pressure[J].Materials for Mechanical Engineering,2004,28(11):22-24.
【8】WANG Z H,JIA J H,CAO L Y,et al.Microstructure and mechanical properties of spark plasma sintered Si3N4/WC ceramic tools[J].Materials (Basel,Switzerland),2019,12(11):1868.
【9】XU W W,YIN Z B,YUAN J T,et al.Preparation and characterization of Si3N4-based composite ceramic tool materials by microwave sintering[J].Ceramics International,2017,43(18):16248-16257.
【10】吕志杰,赵军,艾兴.Si3N4/TiC纳米复合陶瓷刀具材料氧化行为[J].硅酸盐学报,2008,36(2):210-214. LV Z J,ZHAO J,AI X.Oxidation behavior of Si3N4/TiC nanocomposite ceramic tool materials[J].Journal of the Chinese Ceramic Society,2008,36(2):210-214.
【11】DUAN R G,ROEBBEN G,VLEUGELS J,et al.In situ formation of Si2N2O and TiN in Si3N4-based ceramic composites[J].Acta Materialia,2005,53(9):2547-2554.
【12】ZOU B,HUANG C Z,LIU H L,et al.Preparation and characterization of Si3N4/TiN nanocomposites ceramic tool materials[J].Journal of Materials Processing Technology,2009,209(9):4595-4600.
【13】魏万鑫,于俊杰,刘伟键,等.TiN对热压烧结Si3N4-TiN复相陶瓷显微结构和力学性能的影响[J].硅酸盐学报,2020,48(3):375-380. WEI W X,YU J J,LIU W J,et al.Effect of TiN source on microstructures and mechanical properties of hot-pressed Si3N4-TiN ceramics[J].Journal of the Chinese Ceramic Society,2020,48(3):375-380.
【14】刘聪.含Al2O3-Y2O3和MgO-Y2O3助剂的Si3N4陶瓷刀具材料制备与性能研究[D].广州:广东工业大学,2018:4-21. LIU C.Studies on preparation and properties of Si3N4 ceramic cutting tools material with Al2O3-Y2O3and MgO-Y2O3 additives[D].Guangzhou:Guangdong University of Technology,2018:4-21.
【15】魏万鑫.基于物相和显微结构调控的Si3N4陶瓷刀具的制备与性能研究[D].广州:广东工业大学,2020:28-37. WEI W X.Study on preparation and properties of Si3N4 cutting tool based on phase and microstructure tailoring[D].Guangzhou:Guangdong University of Technology,2020:28-37.
【16】EVANS A G,CHARLES E A.Fracture toughness determinations by indentation[J].Journal of the American Ceramic Society,1976,59(7/8):371-372.
【17】SOUZA J V C,KELLY C A,MOREIRA M R V,et al.β-SI3N4 cutting tools obtaining for machining of the gray cast iron[C]//AMST'05 Advanced Manufacturing Systems and Technology.Vienna:Springer,2005:563-575.
【18】ZHU X W,SAKKA Y.Textured silicon nitride:Processing and anisotropic properties[J].Science and Technology of Advanced Materials,2008,9(3):033001.
【19】YANG J F,OHJI T,NIIHARA K.Influence of yttria-alumina content on sintering behavior and microstructure of silicon nitride ceramics[J].Journal of the American Ceramic Society,2004,83(8):2094-2096.
【20】HONMA T,UKYO Y.Sintering process of Si3N4 with Y2O3 and Al2O3 as sintering additives[J].Journal of Materials Science Letters,1999,18(9):735-737.
【21】MIYAZAKI H,HYUGA H,YOSHIZAWA Y I,et al.Correlation of wear behavior and indentation fracture resistance in silicon nitride ceramics hot-pressed with alumina and yttria[J].Journal of the European Ceramic Society,2009,29(8):1535-1542.
【22】ZHENG S,GAO L,WATANABE H,et al.Improving the microstructure of Si3N4-TiN composites using various PEIs to disperse raw TiO2 powder[J].Ceramics International,2007,33(3):355-359.
【23】GRZESIK W,MAȽECKA J.Documentation of tool wear progress in the machining of nodular ductile iron with silicon nitride-based ceramic tools[J].CIRP Annals,2011,60(1):121-124.
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