CAS OpenIR  > 中科院上海应用物理研究所2011-2019年
Thermophysical properties of high-density graphite foams and their paraffin composites
Song, JL(宋金亮); Guo, QG; Zhong, YJ; Gao, XQ; Feng, ZH; Fan, Z; Shi, JL; Liu, L
2012
Source PublicationNEW CARBON MATERIALS
ISSN1007-8827
Volume27Issue:1
AbstractHigh-density graphite foams (GFs) were prepared from mesophase pitch with or without mesocarbon microbeads at different foaming temperatures and pressures, followed by carbonization and graphitization at I 273 and 2973K, respectively. In one case, pitch was repeatedly infiltrated into the graphitized foam at 573K followed by carbonization to increase its density. Paraffin was infiltrated into the GFs to form GF/paraffin composites. Factors determining the thermophysical properties of the GFs and thermal behavior of the GF/paraffin composites were investigated. The microstructure and thermophysical properties of the foams were found to be greatly influenced by the pitch fraction, foaming temperature and foaming pressure. The thermal conductivity of the foams determines the thermal behavior of the GF/paraffin composites. The thermal diffusivity of the GF/paraffin composites investigated can be increased 768 to 1588-fold compared with that of paraffin. The latent heat of the composites has an almost linear relationship with the mass fraction of paraffin in the composites. The composites are suitable candidates for passive cooling of electronics.
Language英语
Funding Project应物所项目组
WOS IDWOS:000304742100004
Citation statistics
Cited Times:25[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/13325
Collection中科院上海应用物理研究所2011-2019年
Recommended Citation
GB/T 7714
Song, JL,Guo, QG,Zhong, YJ,et al. Thermophysical properties of high-density graphite foams and their paraffin composites[J]. NEW CARBON MATERIALS,2012,27(1).
APA Song, JL.,Guo, QG.,Zhong, YJ.,Gao, XQ.,Feng, ZH.,...&Liu, L.(2012).Thermophysical properties of high-density graphite foams and their paraffin composites.NEW CARBON MATERIALS,27(1).
MLA Song, JL,et al."Thermophysical properties of high-density graphite foams and their paraffin composites".NEW CARBON MATERIALS 27.1(2012).
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