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Korean Carbon Society (한국탄소학회)
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The Influence of Carbon Fiber Heat Treatment Temperature on Carbon-Carbon Brakes Characteristics

  • Received : 2012.10.17
  • Accepted : 2013.01.03
  • Published : 2013.01.31
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Abstract

The effects of heat treatment temperature (HTT) of polyacrylonitrile-based carbon fiber (CF) on the mechanical, thermal, and tribological properties of C/C composites were investigated. It was found that HTT (graphitization) of CF affects the thermal conductivity and mechanical and tribological characteristics of C/C composites. Thermal treatment of fibers at temperatures up to $2800^{\circ}C$ led to a decrease of the wear rate and the friction coefficient of C/C composite-based discs from 7.0 to 1.1 ${\mu}m$/stop and from 0.356 to 0.269, respectively. The friction surface morphology and friction mechanism strongly depended on the mechanical properties of the CFs. The relief of the friction surface of composites based on CFs with final graphitization was also modified, compared to that of composites based on initial fibers. This phenomenon could be explained by modification of the abrasive wear resistance of reinforcement fibers and consequently modification of the friction and wearing properties of composites. Correlation of the graphitization temperature with the increased flexural and compressive strength, apparent density, and thermal conductivity of the composites was also demonstrated.

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References

  1. Savage G. Carbon-carbon composites, Chapman & Hall, London, 323-343 (1993).
  2. Awasthi S, Wood JL. Carbon/carbon composite materials for aircraft brakes. Ceram Eng Sci Proc, 9, 553 (1988). http://dx.doi.org/10.1002/9780470310496.ch4.
  3. Loud SN. Commercial and industrial applications of composites. In: Peters ST, ed. Handbook of composites. 2nd ed., Chapman & Hall, London, 941 (1998).
  4. Fitzer E, Manocha LM. Carbon Reinforcements and carbon/carbon composites. Springer, New York, 73 (1998).
  5. Li D, Wang H, Wang X. Effect of microstructure on the modulus of PAN-based CFs during high temperature treatment and hot stretching graphitization. J Mater Sci, 42, 4642 (2007), http://dx.doi.org/10.1007/s10853-006-0519-4.
  6. Cho DW, Yoon SB, Cho CW, Park JK. Effect of additional heattreatment temperature on chemical, microstructural, mechanical, and electrical properties of commercial PAN-based CFs. Carbon Lett, 12, 223 (2011). http://dx.doi.org/10.5714/CL.2011.12.4.223.
  7. Shin HK, Lee HB, Kim KS. Tribological properties of pitch-based 2-D carbon-carbon composites. Carbon, 39, 959 (2001), http://dx.doi.org/10.1016/S0008-6223(00)00158-5.
  8. Dhakate SR, Bahl OP. Effect of CF surface functional groups on the mechanical properties of carbon-carbon composites with HTT. Carbon, 41, 1193 (2003), http://dx.doi.org/10.1016/S0008-6223(03)00051-4.
  9. Fitzer E, Manocha LM. Carbon reinforcements and carbon-carbon composites. Springer-Verlag, Berlin, 127 (1998).
  10. Chung DDL. CF composites. Butterworth-Heinemann, Newton, 75 (1994).
  11. Lee KJ, Chern Lin JH, Ju CP. Microstructure study of PAN-pitch carbon-carbon composite lubricative film. Mater Chem Phys, 78, 760 (2003), http://dx.doi.org/10.1016/S0254-0584(02)00414-5.
  12. Murdie N, Ju CP, Don J, Fortunato FA. Microstructure of worn pitch/resin /CVI C-C composites. Carbon, 29, 335 (1991). http://dx.doi.org/10.1016/0008-6223(91)90202-T.
  13. Dhakate SR, Aoki T, Ogasawara T. High temperature tensile properties of 2D cross-ply carbon-carbon composites. Adv Mater Lett, 2, 106 (2011). http://dx.doi.org/10.5185/amlett.2010.12189.
  14. Fitzer E, Manocha LM. Carbon Reinforcements and Carbon/ Carbon Composites. Springer-Verlag, Berlin, 44 (1998).
  15. Xianying Qin, Yonggen Lu, Hao Xiao, Ya Wen, Tian Yu. A comparison of the effect of graphitization on microstructures and properties of polyacrylonitrile and mesophase pitch-based carbon fibers. Carbon, 50, 4459 (2012), doi: 10.1016/j.carbon.2012.05.024.

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