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Effects of filler and ethanol on mechanical properties of glass-like carbon

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Abstract

The effects of filler and ethanol on the mechanical properties of glass-like carbon were studied. The specific gravities of glass-like carbons with the filler were higher than those of alcohol added glass-like carbons due to the formation of pores and bubbles as the alcohol was vaporized in the curing and polymerization stages. The ethanol added glass-like carbon samples also had lower bending strength than the filler added glass-like carbon samples after carbonization; a contrary result was observed after heat treatment at 2600°C. This was due to the pores that were made with ethanol which plays the role of pore former during carbonization. The fabricated glass-like carbons are quite brittle material. The shore hardness of the glass-like carbon was observed not to be affected by the addition of filler or ethanol, but increased a lot after carbonization.

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Authors and Affiliations

  1. Department of Ceramic Engineering, College of Engineering, Myongji University, San 38-2 Nam-dong, 449-728, Yongin, Korea

    Yun-Soo Lim, Hee-Seok Kim & Ki-Sang Yoo

  2. Energy Institute, The Pennsylvania State University, 16802, University Park, PA, USA

    Jae Hyung Kim

Authors
  1. Yun-Soo Lim
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  2. Hee-Seok Kim
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  3. Ki-Sang Yoo
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  4. Jae Hyung Kim
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Correspondence to Yun-Soo Lim.

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Lim, YS., Kim, HS., Yoo, KS. et al. Effects of filler and ethanol on mechanical properties of glass-like carbon. Met. Mater. Int. 9, 345–350 (2003). https://doi.org/10.1007/BF03027186

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  • DOI: https://doi.org/10.1007/BF03027186

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