Preparation of graphite modified PDC-SiCNO ceramics and its dielectric properties
Graphene ball reinforced SiCNO ceramics (SiCNO-GO) were prepared by using polyvinylsi-lazane (PVSZ) as raw material and graphene oxide (GO) as carbon source and anhydrous ethanol (ETOH) as dispersant. X-ray diffraction (XRD), Raman spectroscopy (Raman), electron spin resonance (EPR) and SEM were use...
| Main Authors: | , , |
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| Format: | Article |
| Language: | zho |
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Journal of Materials Engineering
2019-03-01
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| Series: | Cailiao gongcheng |
| Subjects: | |
| Online Access: | http://jme.biam.ac.cn/CN/Y2019/V47/I3/8 |
| Summary: | Graphene ball reinforced SiCNO ceramics (SiCNO-GO) were prepared by using polyvinylsi-lazane (PVSZ) as raw material and graphene oxide (GO) as carbon source and anhydrous ethanol (ETOH) as dispersant. X-ray diffraction (XRD), Raman spectroscopy (Raman), electron spin resonance (EPR) and SEM were used to study the effect of SiCNO-GO ceramics on the dielectric properties. The results show that the microsphere density and particle size of SiCNO-GO ceramics are related to the content of GO. With the increase of GO content in SiCNO-GO ceramics, the dielectric constant and dielectric loss of SiCNO-GO ceramics also increase, reach the maximum value when the GO mass fraction is 0.1%. When the GO mass fraction is 0.3%, the dielectric constant and dielectric loss of the SiCNO-GO ceramics decrease. |
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| ISSN: | 1001-4381 1001-4381 |