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| 粉末触媒粒度与金刚石粒度之间的对应关系 | |
| 引用本文： | 高峰,贺晓光,石浩辰,丁占辉,蒋青.粉末触媒粒度与金刚石粒度之间的对应关系[J].金刚石与磨料磨具工程,2011,31(6):12-15. |
| 作者姓名： | 高峰 贺晓光 石浩辰 丁占辉 蒋青 |
| 作者单位： | 1. 长春师范学院物理学院,长春130032;吉林大学材料科学与工程学院,长春130023 2. 长春师范学院物理学院,长春,130032 3. 吉林大学物理学院,长春,130023 4. 吉林大学材料科学与工程学院,长春,130023 |
| 基金项目： | 国家自然科学基金资助项目(11074093)吉林省教育厅项目 |
| 摘 要： | 选用普遍采用的混合粒度Fe70Ni30触媒粉,经筛分后得到140/170目、170/200目、200/230目、230/270目、270/325目及325/400目6种不同粒度的触媒样品,在国产JHY -Ⅲ型六面顶压机上,合成出不同粒度的优质金刚石单晶,合成压力为5.3 GPa,温度为1 350℃.首先通过Nanosc... |
| 关 键 词： | 高温高压 触媒 金刚石 粒度 |
Relationship about the diamond size and the solvent-catalyst size |
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| GAO Feng,HE Xiao-guang,SHI Hao-chen,DING Zhan-hui,JIANG Qing.Relationship about the diamond size and the solvent-catalyst size[J].Diamond & Abrasives Engineering,2011,31(6):12-15. | |
| Authors: | GAO Feng HE Xiao-guang SHI Hao-chen DING Zhan-hui JIANG Qing |
| Affiliation: | 1.College of Physics,Changchun Normal University,Changchun 130032,China)(2.College of Materials Science and Engineering,Jilin University,Changchun 130023,China)(3.College of Physics,Jilin University,Changchun 130023,China) |
| Abstract: | Fe70Ni30 powder was used as solvent-catalyst after sieved to 140/170、170/200、200/230、230/270、270/325 and 325/400 mesh.Using the above catalysts,high quality diamond were synthesized at about 5.3 GPa and 1 350 ℃ in JHY-Ⅲ cubic apparatus.Firstly,we observed the size and the micro-topography of solvent-catalyst powder by Nanoscope IIIa type atomic force microscope（AFM） and OXFORD MS-500 type Mossbauer spectroscope,and it was confirmed that solvent-catalyst powder we used was not oxidized though the size of particles were finer than 400 mesh.Secondly,the relationship between the diamond size and the solvent-catalyst size was concluded by comparing diamond′s peak value granularity synthesized with different sized Fe70Ni30 powder.The result showed that 230/270 mesh solvent-catalyst was suitable for coarse diamond synthesis,and the more different from this granularity,the finer the diamond synthesized.In the end,we confirmed this regulation again through synthesis test using Ni70Mn25Co5 powder. |
| Keywords: | high temperature and high pressure solvent-catalyst diamond size |
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