Preparation and Structures of Mesocarbon Microbeads

Hai Zhao; Jun Qing Liu; Bao Hui Wang; Cheng Qiu Hu

doi:10.4028/www.scientific.net/AMM.251.301

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Research on Fretting Fatigue Life of Interference Fit and its Influencing Factors
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Preparation and Structures of Mesocarbon Microbeads
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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 251Preparation and Structures of Mesocarbon...

Preparation and Structures of Mesocarbon Microbeads

Abstract:

MCMB were prepared from coal-tar pitch by pyrolysis condensation in the presence of graphite. The characteristics of the MCMB were studied by BET and optical textures of the pitch mixtures were characterized by polarized-light microscopy. Results show that the graphite addition contributes to an increase of MCMB yield. The pyrolysis conditions and content of graphite have notable effect on the structure and yields of MCMB. When content of graphite reaches 3% and the pitch are pyrolysated at 450°C for 4 h, the MCMB yield arrive at 32wt%.

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Periodical:

Applied Mechanics and Materials (Volume 251)

Pages:

301-303

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.251.301

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Online since:

December 2012

Authors:

Hai Zhao, Jun Qing Liu, Bao Hui Wang, Cheng Qiu Hu

Keywords:

Coal-Tar Pitch, Graphite, Mesocarbon Microbead, Structure

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References

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