Journal of Inorganic Materials ›› 2016, Vol. 31 ›› Issue (12): 1311-1319.DOI: 10.15541/jim20150647
• Orginal Article • Previous Articles Next Articles
ZHANG Xu1,2, DONG Zhi-Jun1,2, YUAN Guan-Ming1,2, CONG Ye1,2, LI Xuan-Ke1,2,3
Received:
2015-12-22
Revised:
2016-02-04
Published:
2016-12-16
Online:
2016-11-23
About author:
ZHANG Xu. E-mail: 15827071494@sina.cn
Supported by:
CLC Number:
ZHANG Xu, DONG Zhi-Jun, YUAN Guan-Ming, CONG Ye, LI Xuan-Ke. Effects of Ceramic Precursor Ratio on Antioxidation Properties of Pitch-based Carbon Materials Doped with Si-Zr-B[J]. Journal of Inorganic Materials, 2016, 31(12): 1311-1319.
Sample | C/wt% | Si/wt% | Zr/wt% | B/wt% |
---|---|---|---|---|
SZB0 | 100 | 0 | 0 | 0 |
SZB411 | 66.3 | 25.2 | 7.6 | 0.9 |
SZB211 | 66.9 | 19.8 | 11.9 | 1.4 |
SZB121 | 63.5 | 9.9 | 23.9 | 2.7 |
SZB141 | 57.8 | 6.3 | 30.4 | 3.5 |
Table 1 Element contents of Si-Zr-B doped pitch-based carbon materials
Sample | C/wt% | Si/wt% | Zr/wt% | B/wt% |
---|---|---|---|---|
SZB0 | 100 | 0 | 0 | 0 |
SZB411 | 66.3 | 25.2 | 7.6 | 0.9 |
SZB211 | 66.9 | 19.8 | 11.9 | 1.4 |
SZB121 | 63.5 | 9.9 | 23.9 | 2.7 |
SZB141 | 57.8 | 6.3 | 30.4 | 3.5 |
Fig. 3 Elemental analysis results of the specimen SZB211 after heat-treatment at 1600℃^(a) SEM image of SZB211; (b) Boron, (c) Carbon; (d) Sillion; (e) Zirconium
Fig. 4 Typical SEM images of pitch-based carbon materials doped with Si-Zr-B after heat-treatment at 1600℃^(a) SZB0; (b,c) SZB411; (d) SZB211; (e,f) SZB121; (g,h) SZB141
Fig. 9 Typical SEM images of pitch-based carbon materials doped with Si-Zr-B after oxidation at 1500℃ in air for 4 h^(a) SZB411; (b) SZB211; (c) SZB121; (d) SZB14
Fig. 10 Cross section linear EDS analysis of pitch-based carbon materials doped with Si-Zr-B after oxidation at 1500℃ for 4 h in air^(a) SZB411; (b) SZB211; (c) SZB121; (d) SZB141
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