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材料工程  2019, Vol. 47 Issue (2): 62-67    DOI: 10.11868/j.issn.1001-4381.2017.000540
  研究论文 本期目录 | 过刊浏览 | 高级检索 |
炭化纳米Co3O4/硅藻土复合材料制备及其性能
张博1,2, 付琪智1, 林森1,2, 陈廷芳1, 孙仕勇1,2, 蒋卉1
1. 西南科技大学 非金属矿研究所 固体废物处理与资源化教育部重点实验室, 四川 绵阳 621010;
2. 西南科技大学 四川省非金属矿粉体改性与高质化利用技术工程实验室, 四川 绵阳 621010
Preparation and properties of carbonized nano Co3O4 and diatomite composites
ZHANG Bo1,2, FU Qi-zhi1, LIN Sen1,2, CHEN Ting-fang1, SUN Shi-yong1,2, JIANG Hui1
1. Key Laboratory of Solid Waste Treatment and Resource Recycle(Ministry of Education), Institute of Non-metallic Minerals, Southwest University of Science and Technology, Mianyang 621010, Sichuan, China;
2. Sichuan Provincial Engineering Laboratory of Non-metallic Mineral Powder Modification and High Efficiency Utilization, Southwest University of Science and Technology, Mianyang 621010, Sichuan, China
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摘要 利用高温热解炭化制备炭化纳米Co3O4与硅藻土复合材料,研究其磁性和吸波性能。采用X射线衍射、扫描电镜、透射电镜、振动样品磁强计和矢量网络分析仪等测试分析技术对复合材料进行表征。结果表明:平均粒径为50nm的超顺磁性纳米Co3O4粒子和无定形碳均匀分散于硅藻土表面和孔隙内,形成稳定的复合体。炭化纳米Co3O4/硅藻土复合具有较强的超顺磁性和吸波性能,最大反射率损失为-14.7dB,<-10dB的频率范围大约为14~18GHz,带宽为4GHz。
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张博
付琪智
林森
陈廷芳
孙仕勇
蒋卉
关键词 纳米Co3O4硅藻土复合材料吸波性能炭化    
Abstract:Carbonized nano-Co3O4 particles and diatomite were used for preparation of the composite of carbonized nano-Co3O4/diatomite by pyrolysis method, the magnetic and absorption properties were studied. The composite was characterized by X-ray diffraction, scanning electron microscopy, transmission electron microscopy, vibrating sample magnetometer. The results show that the superparamagnetic nano-Co3O4 particles with average size of 50nm and amorphous activated carbon are uniformly dispersed in the surface and pores of diatomite to form a stable composite. Carbonized nano-Co3O4/diatomite composite indicates high magnetic and microwave absorption performance with maximum reflection loss of -14.7dB, <-10dB frequency range about 14-18GHz and bandwidth of 4GHz.
Key wordsnano-Co3O4    diatomite    composite    microwave absorption property    carbonization
收稿日期: 2017-04-28      出版日期: 2019-02-21
中图分类号:  P579  
  TB34  
通讯作者: 陈廷芳(1963-),男,教授,博士,研究方向:非金属矿开发与应用,联系地址:四川省绵阳市西南科技大学环境与资源学院(621010),E-mail:chentingfang@swust.edu.cn     E-mail: chentingfang@swust.edu.cn
引用本文:   
张博, 付琪智, 林森, 陈廷芳, 孙仕勇, 蒋卉. 炭化纳米Co3O4/硅藻土复合材料制备及其性能[J]. 材料工程, 2019, 47(2): 62-67.
ZHANG Bo, FU Qi-zhi, LIN Sen, CHEN Ting-fang, SUN Shi-yong, JIANG Hui. Preparation and properties of carbonized nano Co3O4 and diatomite composites. Journal of Materials Engineering, 2019, 47(2): 62-67.
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http://jme.biam.ac.cn/CN/10.11868/j.issn.1001-4381.2017.000540      或      http://jme.biam.ac.cn/CN/Y2019/V47/I2/62
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