Composites Research

The Korean Society for Composite Materials (한국복합재료학회)
권호 표지

Abrasive Wear of Hybrid Metal Matrix Composites for High Wear Resistance

고 내마모성 혼합 금속복합재료의 연삭마모

  • Published : 1999.10.01
Download PDF
⟨ Previous Next ⟩

Abstract

Aluminum based metal matrix composites(MMCs) are well known for their high specific strength, stiffness and hardness. They are gaining further importance because of their high wear resistance. In this study wear behavior of $Al/Al_2O_3/C$ hybrid MMCs fabricated by squeeze infiltration method was characterized by the abrasive wear test under various sliding speeds at room and high temperature. Wear resistance of MMCs was improved due to the presence of reinforcements at high sliding speed. Especially wear resistance of carbon hybrid MMCs was superior to other materials because of its solid lubrication of carbon. The friction coefficient of MMCs was not affected by the sliding speed.

알루미늄 기지 금속복합재료는 비강도, 비강성, 경도가 뛰어난 것으로 널리 알려져 있으며, 높은 마모 저항으로 인해 점점 중요한 재료로 인식되고 있다. 본 연구에서는 AC2B 알루미늄 합금을 기지재로 하고, 알루미나($Al_2O_3$) 및 탄소를 단섬유를 보강재로한 혼합금속복합재료를 제조하였다. 다양한 상대 마모 속도하에서의 연삭 마모 시험을 통해 금속복합재료의 상온 및 고온 마모 거동을 규명하였다. 금속복합재료의 마모 저항은 고속에서 보강재로 인해 향상되었다. 탄소 혼합 금속복합재료의 마모 저항은 탄소의 고체 윤활 효과로 인해 알루미나($Al_2O_3$) 복합재료보다 우수하였으며, 특히 고속에서의 내마모성이 가장 향상되었다. 금속복합재료의 마찰계수는 상온과 고온에서 상대 속도의 변화에도 큰 차이를 보이지 않았다.

Keywords

References

  1. Proceeding of ICCM/Ⅷ Mechanical properties and fracture behaviors of a aluminum matrix composites Lim, T.W.;Kim, Y.H.;Lee. C.S.;Han, K.S.
  2. Metallurgical Transaction A v.18A The squeeze infiltration process for fabrication of metal matrix composites Clyne, T.W.;Mason, J.F.
  3. Scripta Metallurgica et Materialia v.33 no.8 Mechanical and wear properties of Al/Al₂O₃/C hybrid metal matrix composites Song, J.I.;Bong, H.D.;Han, K.S.
  4. Fundamentals of Metal Matrix Composites Subra, S.;Andreas, M.;Alan, N.
  5. Wear v.181;183 Dry sliding of Al alloy 2024-Al203 particle metal matrix composites Narayan, M.;Surappa, M.K.;Pramila Bai, B.N.
  6. 한국복합재료학회지 v.7 no.4 Al/Al₂O₃/C혼합금속복합재료의 제조 및 마모거동 송정일;봉하동;한경섭
  7. Wear v.173 Abrasive wear of alumina fiber rienforced aluminum Axen, N.;Alahelisten, A.;Jacobson, S.
  8. Fundamentals of Metal Matrix Composites Subra, S.;Andreas, M.;Alan, N.
  9. J. of Composite Meterials v.13 no.4 Mechanical property and solid lubricant wear behavior of Al/Al₂O₃/C hybrid composites fabricated by squeeze casting method Song, J.I.;Han, K.S.
  10. Composites Science and Technology v.46 Defects in squeeze-cast Al₂O₃/Al alloy composites and their effects on mechanical properties Liu, C.;Bathias, C.
  11. Wear v.149 Tribology of aluminum metal-matrix composites : lubrication by graphite Prasad, S.V.;McConell, B.D.
  12. Cast Reinforced Metal Composites Enhancement in the properties of a squeeze cast aluminum magnesium alloy containing alumina fiber Das, A.;Clegg, A.J.
  13. Microstructure and wear of materials Zum Gahr
  14. Wear v.161 Studies of Al203(P)-6061 Al composites under dry sliding conditions using scanning electron microscopy, energy-dispersive spectrometry and X-ray diffractometry Chiao, Y.S.;Fan, F.M.;Lin, C.A.;Horng, J.L.
  15. Wear v.181;183 Wear models and predictive equations ; their form and content Meng, H.C.;Ludema, K.C.
  16. Wear v.1 Survey of possible wear mechanism Burwell, J.T.
  17. Wear v.171 Wear mechanisms and tribo mapping of Al203 and SiC in dry sliding Blomberg, A.;Olsson, M.;Hogmark, S.
  18. Wear v.174 A model for the abrasive wear resistance of multiphase materials Axen, N.;Jcobson, J.
  19. Tribology of Composite Materials Analysis of the stresses induced on inclined fiber wear surfaces West, H.A.;Fahmy, A.A.;P.K.Rohatgi(ed.);P.J.Blau(ed.);C.S.Yust(ed.)
  20. Experimental and finite element study of the friction and wear behavior of continuous fiber metal composites Erturk, T.;Saka, N.;Szeto, N.K.
  21. Data Sheet from JIS-H5202
  22. Data Sheet from ICI CO