Skip to main content

Advertisement

SpringerLink
Log in

The role of CuO–TiO2 additives in the preparation of high-strength porous alumina scaffolds using directional freeze casting

  • Published:
Journal of Porous Materials Aims and scope Submit manuscript

Abstract

Lamellar porous Al2O3 scaffolds with initial solid loading of 30 vol% were prepared by freeze casting using micron-sized Al2O3 powders as raw material and CuO–TiO2 additives as sintering aid. The effects of the composition of CuO–TiO2 on the microstructure, porosity and compressive property of the Al2O3 scaffolds were investigated and the mechanisms for sintering promotion addressed. The sintering aid effect was prominent when CuO:TiO2 was 1:2 in mass and their amount reached 3 wt% of the total ceramic powders. The corresponding compressive strength reached 176 ± 20 MPa with the porosity being 45 ± 1 % after sintering at 1450 °C for 2 h. Activation of the Al2O3 lattice due to partial substitution of Ti4+ for Al3+ and formation of a low-melting eutectic liquid were presumed to play a significant role in the sintering and strengthening of the Al2O3 scaffolds.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Fig. 1
Fig. 2
Fig. 3
Fig. 4
Fig. 5
Fig. 6
Fig. 7
Fig. 8
Fig. 9
Fig. 10

Similar content being viewed by others

References

  1. S. Deville, E. Saiz, A.P. Tomsia, Biomaterials 27, 5480 (2006)

    Article  CAS  Google Scholar 

  2. S. Deville, E. Saiz, R.K. Nalla, A.P. Tomsia, Science 311, 515 (2006)

    Article  CAS  Google Scholar 

  3. S. Deville, E. Saiz, A.P. Tomsia, Acta Mater. 55, 1965 (2007)

    Article  CAS  Google Scholar 

  4. S. Deville, Adv. Eng. Mater. 10, 155 (2008)

    Article  CAS  Google Scholar 

  5. K.K. Heon, K.T. Rim, K.D. Hyun, J. Korean Ceram. Soc. 51, 19 (2014)

    Article  Google Scholar 

  6. J.C. Han, L.Y. Hu, Y.M. Zhang, J. Am. Ceram. Soc. 92, 2165 (2009)

    Article  CAS  Google Scholar 

  7. B.H. Yoon, W.Y. Choi, H.E. Kim, J.H. Kim, Y.H. Koh, Scr. Mater. 58, 537 (2008)

    Article  CAS  Google Scholar 

  8. P. Shen, J.W. Xi, Y.J. Fu, A. Shaga, C. Sun, Q.C. Jiang, Acta Metall. Sin. 27, 944 (2014)

    Article  CAS  Google Scholar 

  9. L.Y. Hu, Y.M. Zhang, S.L. Dong, S.M. Zhang, B.X. Li, Ceram. Int. 39, 6287 (2013)

    Article  CAS  Google Scholar 

  10. G. Liu, D. Zhang, C. Meggs, T.W. Button, Scr. Mater. 62, 466 (2010)

    Article  CAS  Google Scholar 

  11. D. Zhang, Y. Zhang, R. Xie, K.C. Zhou, Ceram. Int. 38, 6063 (2012)

    Article  CAS  Google Scholar 

  12. Y.F. Tang, Q. Miao, S. Qiu, K. Zhao, L. Hu, J. Eur. Ceram. Soc. 34, 4077 (2014)

    Article  CAS  Google Scholar 

  13. J. Zeng, Y. Zhang, K. Zhou, D. Zhang, Trans. Nonferr. Metal Soc. 24, 718 (2014)

    Article  CAS  Google Scholar 

  14. R.F. Chen, C.A. Wang, Y. Huang, L.G. Ma, W.Y. Lin, J. Am. Ceram. Soc. 90, 3478 (2007)

    Article  CAS  Google Scholar 

  15. C.Q. Hong, X.H. Zhang, J.C. Han, J.C. Du, W.B. Han, Scr. Mater. 60, 563 (2009)

    Article  CAS  Google Scholar 

  16. J. Tang, Y.F. Chen, H. Wang, Key Eng. Mater. 280, 1287 (2004)

    Google Scholar 

  17. F. Ye, J. Zhang, H. Zhang, Mater. Sci. Eng. A 527, 6501 (2010)

    Article  Google Scholar 

  18. M.M. Porter, R. Imperio, M. Wen, Adv. Funct. Mater. 24, 1978 (2014)

    Article  CAS  Google Scholar 

  19. W.J. Smothers, H.J. Reynolds, J. Am. Ceram. Soc. 37, 588 (1954)

    Article  CAS  Google Scholar 

  20. D.S. Horn, G.L. Messing, Mater. Sci. Eng. A 195, 169 (1995)

    Article  Google Scholar 

  21. C.G. Li, Academic Annual Meeting of the Chinese Society of Silicate, Beijing, p. 25 (2003)

  22. M. Sathiyakumar, F.D. Gnanam, J. Mater. Process. Technol. 133, 282 (2003)

    Article  CAS  Google Scholar 

  23. U.G.K. Wegst, M. Schecter, A.E. Donius, P.M. Hunger, Philos. Trans. R. Soc. A 368, 2099 (2010)

    Article  CAS  Google Scholar 

  24. A.M.M. Gadalla, J. White, J. Br. Ceram. Soc. 63, 39 (1964)

    CAS  Google Scholar 

  25. L.Z. Huang, J.X. Zhang, Ordnance. Mater. Sci. Eng. 5, 3 (1998)

    Google Scholar 

  26. D.R. Clarke, T.M. Shaw, D. Dimos, J. Am. Ceram. Soc. 72, 1103 (1989)

    Article  CAS  Google Scholar 

  27. F.H. Lu, F.X. Fang, Y.S. Chen, J. Eur. Ceram. Soc. 21, 1093 (2001)

    Article  CAS  Google Scholar 

  28. L.A. Xue, I.W. Chen, J. Am. Ceram. Soc. 74, 2011 (1991)

    Article  CAS  Google Scholar 

Download references

Acknowledgments

This work is supported by National Natural Science Foundation of China (No. 51571099), National Basic Research Program of China (973 program) (No. 2012CB619600) and the Fundamental Research Funds for the Central Universities (Jilin University).

Author information

Authors and Affiliations

  1. Key Laboratory of Automobile Materials (Ministry of Education), Department of Materials Science and Engineering, Jilin University, No. 5988 Renmin Street, Changchun, 130025, People’s Republic of China

    Yujie Fu, Ping Shen, Zhijie Hu, Chang Sun, Ruifen Guo & Qichuan Jiang

Authors
  1. Yujie Fu
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. Ping Shen
    View author publications

    You can also search for this author in PubMed Google Scholar

  3. Zhijie Hu
    View author publications

    You can also search for this author in PubMed Google Scholar

  4. Chang Sun
    View author publications

    You can also search for this author in PubMed Google Scholar

  5. Ruifen Guo
    View author publications

    You can also search for this author in PubMed Google Scholar

  6. Qichuan Jiang
    View author publications

    You can also search for this author in PubMed Google Scholar

Corresponding author

Correspondence to Ping Shen.

Rights and permissions

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Fu, Y., Shen, P., Hu, Z. et al. The role of CuO–TiO2 additives in the preparation of high-strength porous alumina scaffolds using directional freeze casting. J Porous Mater 23, 539–547 (2016). https://doi.org/10.1007/s10934-015-0107-6

Download citation

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s10934-015-0107-6

Keywords

Search

Navigation