Composites Research

The Korean Society for Composite Materials (한국복합재료학회)
권호 표지
DOI QR코드

DOI QR Code

Carbon Fiber/Aluminum Composite Fabrication Using Wettability Control

젖음성 제어를 이용한 탄소섬유/알루미늄 복합재료 제조

  • Lee, Yongbeom (Dept. of Materials Science and Engineering, Chungnam National University) ;
  • Park, Sangjin (Dept. of Materials Science and Engineering, Chungnam National University) ;
  • Han, Jun Hyun (Dept. of Materials Science and Engineering, Chungnam National University)
  • Received : 2015.09.25
  • Accepted : 2015.10.30
  • Published : 2015.10.31
Download PDF
⟨ Previous Next ⟩

Abstract

Carbon fiber/aluminum (CF/Al) composites were successfully fabricated without pressure casting using wettability modification of carbon fiber. The wettability of liquid aluminum on carbon fibers was enhanced through electroless plating of copper on carbon fibers. Liquid aluminum was well infiltrated into carbon fiber bundles with Cu coating layer due to low wetting angle, and a lot of pores that existed in CF/Al composite without Cu coating on CF were greatly removed. However, a few tiny pores existed in carbon fiber bundles, which is due to not bad wettability between CF and Al but shrinkage cavity that was generated during cooling of CF/Al composite. The tiny pores could be effectively removed by a subsequent rolling.

탄소섬유에 대한 액상 알루미늄의 젖음성이 매우 좋지 않기 때문에 통상적인 주조방법으로는 기공이 없는 건전한 탄소섬유/알루미늄 복합재료 제조가 어려워 이를 극복하기 위해서는 복합재료 주조 시 고온, 고압이 요구된다. 본 연구에서는 탄소섬유 표면에 무전해 도금에 의해 구리를 코팅함으로써 탄소섬유에 대한 알루미늄의 젖음성을 향상시켜 고온, 고압을 가하지 않고 액상의 알루미늄이 탄소섬유들 사이를 자발적으로 침투하여 내부기공이 매우 적은 건전한 탄소섬유/알루미늄 복합재료를 제조할 수 있었다. 제조된 탄소섬유/알루미늄 복합재료내 일부 탄소섬유 다발 안에서 미세기공이 발생하였으나 이 미세기공은 압연과 같은 후 가공에 의해 탄소섬유와 알루미늄 사이의 계면분리나 탄소섬유의 파괴 없이 효과적으로 제거될 수 있었다. 복합재료 제조 시 발생한 미세기공은 탄소섬유와 알루미늄의 젖음성 문제는 아니며 탄소섬유들 사이 공간을 효과적으로 채웠던 액상 알루미늄이 냉각되는 동안 수축으로 인해 일부 탄소섬유들 사이로부터 빠져 나가 수축공 형태의 기공이 발생한 것으로 판단된다.

Keywords

References

  1. Zweben, C., "Advances in Composite Materials for Thermal Management in Electronic Packaging", Journal of the Minerals, Metals & Materials Society, Vol. 50, No. 6, 1998, pp. 47-51. https://doi.org/10.1007/s11837-998-0128-6
  2. Edie, D.D., "The Effect of Processing on the Structure and Properties of Carbon Fibers", Carbon, Vol. 36, No. 4, 1998, pp. 345-362. https://doi.org/10.1016/S0008-6223(97)00185-1
  3. Perez, O., Patriarche, G., and Lancin, M., "Interphases and Mechanical Properties in Carbon Fibres/Al Matrix Composites", Journal of Physics, Vol. 3, 1993, pp. 1693-1700.
  4. Li, S.H. and Chao, C.G., "Effects of Carbon Fiber/Al Interface on Mechanical Properties of Carbon Fiber Reinforced Aluminum Matrix Composites", Metallurgical and Materials Transaction A, Vol. 35A, 2004, pp. 2153-2160.
  5. Rams, J., Urena, A., Escalera, D., and Sanchez, M., "Electroless Nickel Coated Short Carbon Fibres in Aluminium Matrix Composites", Composites: Part A, Vol. 38, 2007, pp. 566-575. https://doi.org/10.1016/j.compositesa.2006.02.010
  6. Park, K.Y., Lee, S.B., Kim, J.B., Yi, J.W., Lee, S.K., and Han, J.H., "Fabrication and Microstructure of Metal-Coated Carbon Nanofibers using Electroless Plating", Journal of The Korean Society for Composite Materials, Vol. 20, No. 5, 2007, pp. 43-48.
  7. Landry, K., Kalogeropoulou, S., and Eustathopoulos, N., "Wettability of Carbon by Aluminum and Aluminum Alloys", Materials Science and Engineering A, Vol. 254, 1998, pp. 99-111. https://doi.org/10.1016/S0921-5093(98)00759-X
  8. Zhang, Y.H. and Wu, G.H., "Interface and Thermal Expansion of Carbon Fiber Reinforced Aluminum Matrix Composites", Transactions of Nonferrous Metals Society of China, Vol. 20, 2010, pp. 2148-2151. https://doi.org/10.1016/S1003-6326(09)60433-7
  9. Liu, Z.G., Mang, X.B., Chai, L.H., and Chen, Y.Y., "Interface Study of Carbon Fibre Reinforced Al-Cu Composites," Journal of Alloys and Compounds, Vol. 504, 2010, pp. S512-S514. https://doi.org/10.1016/j.jallcom.2010.04.081
  10. Hajjari, E., Divandari, M., and Mirhabibi, R., "The Effect of Applied Pressure on Fracture Surface and Tensile Properties of Nickel Coated Continuous Carbon Fiber Reinforced Aluminum Composites Fabricated by Squeeze Casting," Materials and Design, Vol. 31, 2010, pp. 2381-2386. https://doi.org/10.1016/j.matdes.2009.11.067
  11. Lee, M.H., Choi, Y.B., Sugio, K., Matsugi, K., and Sasaki, G., "Preparation of Unidirectional Carbon Fiber Preform for Aluminium Matrix Composites", Materials Transactions, Vol. 52, No. 5, 2011, pp. 939-942. https://doi.org/10.2320/matertrans.L-MZ201110
  12. Rohatgi, P.K., Tiwari, V., and Gupta, N., "Squeeze Infiltration Processing of Nickel Coated Carbon Fiber Reinforced Al-2014 Composite", Journal of Materials Science, Vol. 41, 2006, pp. 7232-7239. https://doi.org/10.1007/s10853-006-0915-9
  13. Li, S.H. and Chao, C.G., "Effects of Carbon Fiber/Al Interface on Mechanical Properties of Carbon Fiber Reinforced Aluminum Matrix Composites", Metallurgical and Materials Transactions A, Vol. 35A, 2004, pp. 2153-2160.
  14. Li, S.H., Li, X.R., Zhao, W.X., Ma, Q., Lu, X.B., and Wang, Z.L., "A Study of Low Temperature and Low Stress Electroless Copper Plating Bath", International Journal of Electrochemical Science, Vol. 8, 2013, pp. 5191-5202.
  15. Ko, Y.J., Yoon, J., Lee, J.H., and Han, J.H., "Effects of Cu Interlayer on the Wettability of Aluminum on Carbon", Journal of Alloys and Compounds, Vol. 574, 2013, pp. 526-531. https://doi.org/10.1016/j.jallcom.2013.05.190
  16. Lee, K.K., Cho, K.Z., and Lee, D.J., "Wetting Improvement of SiC/Al Metal Matrix Composite by Cu Surface Treatment", Korean Journal of Materials Research, Vol. 11, No. 5, 2001, pp. 398-404.