Skip to main content
Log in

Directional solidification processing on CET in Al-based alloys

  • Published:
Metals and Materials International Aims and scope Submit manuscript

Abstract

The control of the transition from columnar to equiaxed (CET) dendrite microstructure is an important point to obtain desired final properties of industrial products. The objective is to understand how the formation and the evolution of the CET are influenced by the processing parameters and natural convection with Al - 3.5 wt.% Ni and Al - 7.0 wt.% Si alloys. Various experiments are carried out in a Bridgman furnace for which the thermal gradient and pulling velocity can be independently controlled. We concentrate our interest on the CET tendency, added particle effects and the evolution of dendrite grain structures under different test conditions. On the other hand, in-situ and real time observation of the solid-liquid interface is used to reveal the dynamics of the phenomena that occur, thus deepening our understanding. To achieve this objective, Synchrotron X-ray Radiography has been designed and performed at the European Synchrotron Radiation Facility.

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

Access this article

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

Instant access to the full article PDF.

Similar content being viewed by others

References

  1. T. E. Quested and A. L. Greer, Acta mater. 53, 4643 (2005).

    Article  CAS  Google Scholar 

  2. Qing Iin Jin, Jeong Pil Eom, Su Gun Lim, Won Wook Park, and Bong Sun You, Met. Mater. Int. 9, 453 (2003).

    Article  CAS  Google Scholar 

  3. W. J. Kim and S. W. Chung, Met. Mater. Int. 6, 255 (2000).

    CAS  Google Scholar 

  4. A. L. Greer, A. M. Bunn, A. Tronche, P. V. Evans, and D. J. Bristow, Acta mater. 48, 2823 (2000).

    Article  CAS  Google Scholar 

  5. J. D. Hunt, Mater. Sci. Eng. 65, 75 (1984).

    Article  ADS  CAS  Google Scholar 

  6. C. Y. Wang and C. Beckermann, Metall. Mater. Trans. A 25, 1081 (1994).

    Article  Google Scholar 

  7. M. A. Martorano, C. Beckermann, and C.-A. Gandin, Metall. Mater. Trans. A 34, 1657 (2003).

    Article  Google Scholar 

  8. G. Reinhart, N. Mangelinck-Noël, H. Nguyen Thi, T. Schenk, J. Gastaldi, B. Billia, P. Pino, J. Haertwig, and J. Baruchel, Mater. Sci. Eng. A 413–414, 384 (2005).

    Google Scholar 

  9. P. Schumacher and B. J. McKay, J. Non-Cryst. Solids 317, 123 (2003).

    Article  ADS  CAS  Google Scholar 

  10. J. Gröbner, D. Mirkovic, and R. Schmid-Fetzer, Mater. Sci. Eng. A 395, 10 (2005).

    Article  CAS  Google Scholar 

  11. K. A. Jackson, J. D. Hunt, D. R. Uhlmann, and T. P. Seward, T. Metall. Soc. AIME 236, 149 (1966).

    CAS  Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Corresponding author

Correspondence to H. Jung.

Rights and permissions

Reprints and permissions

About this article

Cite this article

Jung, H., Mangelinck-Noël, N., Nguyen-Thi, H. et al. Directional solidification processing on CET in Al-based alloys. Met. Mater. Int. 15, 21–26 (2009). https://doi.org/10.1007/s12540-009-0021-z

Download citation

  • Received:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s12540-009-0021-z

Keywords

Navigation