Mo Peicheng, Chen Jiarong, Chen Chao, Hu Qiaofan, Xiao Leyin, Lin Feng, Pan Xiaoyi
{"title":"高温高压复合PCBN刀具材料的结构与性能研究","authors":"Mo Peicheng, Chen Jiarong, Chen Chao, Hu Qiaofan, Xiao Leyin, Lin Feng, Pan Xiaoyi","doi":"10.3103/S1063457623030188","DOIUrl":null,"url":null,"abstract":"<p>Using CBN, Si<sub>3</sub>N<sub>4</sub>, Al<sub>2</sub>O<sub>3</sub>, AlN and Y<sub>2</sub>O<sub>3</sub> as raw materials, PCBN tool materials were prepared by high temperature and high pressure. The effects of sintering temperature (1400–1700°C) on the microstructure, mechanical properties and cutting performance of tool materials were studied. The results show that PCBN tool materials with higher density and better comprehensive properties can be obtained by using high temperature and high pressure technology. At 1500°C, it was observed that the α-Si<sub>3</sub>N<sub>4</sub> in the binder had a tendency to transform to β-Si<sub>3</sub>N<sub>4</sub>, and the grains were well developed. With the increase of sintering temperature, the density, flexural strength, and hardness of the samples increased continuously. At 1700°C, the flexural strength and hardness reached 879.6 MPa and 38.8 GPa, respectively. At the same time, the cutting performance of the samples sintered at 1700°C is also the best. When cutting ductile cast iron with a cutting distance of 7 km, the tool wear is the smallest, which is 0.26 mm.</p>","PeriodicalId":670,"journal":{"name":"Journal of Superhard Materials","volume":"45 3","pages":"192 - 198"},"PeriodicalIF":1.2000,"publicationDate":"2023-07-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Research on the Structure and Properties of High Temperature and High Pressure Composite PCBN Tool Materials\",\"authors\":\"Mo Peicheng, Chen Jiarong, Chen Chao, Hu Qiaofan, Xiao Leyin, Lin Feng, Pan Xiaoyi\",\"doi\":\"10.3103/S1063457623030188\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>Using CBN, Si<sub>3</sub>N<sub>4</sub>, Al<sub>2</sub>O<sub>3</sub>, AlN and Y<sub>2</sub>O<sub>3</sub> as raw materials, PCBN tool materials were prepared by high temperature and high pressure. The effects of sintering temperature (1400–1700°C) on the microstructure, mechanical properties and cutting performance of tool materials were studied. The results show that PCBN tool materials with higher density and better comprehensive properties can be obtained by using high temperature and high pressure technology. At 1500°C, it was observed that the α-Si<sub>3</sub>N<sub>4</sub> in the binder had a tendency to transform to β-Si<sub>3</sub>N<sub>4</sub>, and the grains were well developed. With the increase of sintering temperature, the density, flexural strength, and hardness of the samples increased continuously. At 1700°C, the flexural strength and hardness reached 879.6 MPa and 38.8 GPa, respectively. At the same time, the cutting performance of the samples sintered at 1700°C is also the best. When cutting ductile cast iron with a cutting distance of 7 km, the tool wear is the smallest, which is 0.26 mm.</p>\",\"PeriodicalId\":670,\"journal\":{\"name\":\"Journal of Superhard Materials\",\"volume\":\"45 3\",\"pages\":\"192 - 198\"},\"PeriodicalIF\":1.2000,\"publicationDate\":\"2023-07-19\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Superhard Materials\",\"FirstCategoryId\":\"88\",\"ListUrlMain\":\"https://link.springer.com/article/10.3103/S1063457623030188\",\"RegionNum\":4,\"RegionCategory\":\"材料科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q4\",\"JCRName\":\"MATERIALS SCIENCE, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Superhard Materials","FirstCategoryId":"88","ListUrlMain":"https://link.springer.com/article/10.3103/S1063457623030188","RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"MATERIALS SCIENCE, MULTIDISCIPLINARY","Score":null,"Total":0}
Research on the Structure and Properties of High Temperature and High Pressure Composite PCBN Tool Materials
Using CBN, Si3N4, Al2O3, AlN and Y2O3 as raw materials, PCBN tool materials were prepared by high temperature and high pressure. The effects of sintering temperature (1400–1700°C) on the microstructure, mechanical properties and cutting performance of tool materials were studied. The results show that PCBN tool materials with higher density and better comprehensive properties can be obtained by using high temperature and high pressure technology. At 1500°C, it was observed that the α-Si3N4 in the binder had a tendency to transform to β-Si3N4, and the grains were well developed. With the increase of sintering temperature, the density, flexural strength, and hardness of the samples increased continuously. At 1700°C, the flexural strength and hardness reached 879.6 MPa and 38.8 GPa, respectively. At the same time, the cutting performance of the samples sintered at 1700°C is also the best. When cutting ductile cast iron with a cutting distance of 7 km, the tool wear is the smallest, which is 0.26 mm.
期刊介绍：
Journal of Superhard Materials presents up-to-date results of basic and applied research on production, properties, and applications of superhard materials and related tools. It publishes the results of fundamental research on physicochemical processes of forming and growth of single-crystal, polycrystalline, and dispersed materials, diamond and diamond-like films; developments of methods for spontaneous and controlled synthesis of superhard materials and methods for static, explosive and epitaxial synthesis. The focus of the journal is large single crystals of synthetic diamonds; elite grinding powders and micron powders of synthetic diamonds and cubic boron nitride; polycrystalline and composite superhard materials based on diamond and cubic boron nitride; diamond and carbide tools for highly efficient metal-working, boring, stone-working, coal mining and geological exploration; articles of ceramic; polishing pastes for high-precision optics; precision lathes for diamond turning; technologies of precise machining of metals, glass, and ceramics. The journal covers all fundamental and technological aspects of synthesis, characterization, properties, devices and applications of these materials. The journal welcomes manuscripts from all countries in the English language.
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