Microstructure of Directionally Solidified Ni-Ni3Si Hypoeutectic In Situ Composite

Chun Juan Cui; You Ping Ma; Lei Yang; Ke Yong Zhai

doi:10.4028/www.scientific.net/AMR.284-286.230

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 284-286Microstructure of Directionally Solidified...

Microstructure of Directionally Solidified Ni-Ni₃Si Hypoeutectic In Situ Composite

Abstract:

Ni₃Si compound is one of the excellent high temperature structural materials, because it possesses the attributes of high melting point, high strength, low density, excellent oxidation resistance at elevated temperatures, and magnificent corrosion resistance in acid environments, particularly sulfuric acid solutions, while the application of this compound is limited due to poor ductility at ambient temperatures and lack of fabricability at high temperatures. The incorporation of a ductile phase into the intermetallic materials has become an attractive means to modify the ductility. In this paper Ni-Ni₃Si hypoeutectic in situ composites are obtained by Bridgman directional solidification technology. Microstructure of the Ni- Ni₃Si hypoeutectic in situ composites are regular lamellar eutectic structure at the lower solidification rates, whereas eutectic cells or dendrites can be found with the increase of the solidification rate, due to the increase of the composition undercooling. Moreover, the directional solidification mechanism was investigated as well.

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Advanced Materials Research (Volumes 284-286)

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230-233

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https://doi.org/10.4028/www.scientific.net/AMR.284-286.230

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Online since:

July 2011

Authors:

Chun Juan Cui, You Ping Ma, Lei Yang, Ke Yong Zhai

Keywords:

Bridgman Technique, Directional Solidification, Eutectic In Situ Composite, Solidification Rate, Vacuum Arc Melting Technology

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References

[1] S. Oukassi, J.S. Moulet, S. Lay, et al. Microelectronic Engineering, Vol.86(2009), p.397

Google Scholar

[2] H.M. Wang, C. M. Wang, L. X. Cai. Surface and Coatings Technology, Vol.168(2003), p.202

Google Scholar

[3] H. Amekura, H. Kitazawa, N. Umeda, et al. Nuclear Instruments and Methods in Physics Research B, Vol.222(2004), p.114

Google Scholar

[4] J. H. Jia, J. J. Lu, H. D. Zhou, et al. Materials Science and Engineering A, Vol. 381(2004), p.80

Google Scholar

[5] R. Caram, S. Milenkovic. J Crystal Growth, Vol.198/199(1999), p.844

Google Scholar

[6] A.T. Dutra, P. L. Ferrandini, R. Caram. J Alloys Compd, Vol.432(2007), p.167

Google Scholar

[7] D. M. Dimiduk, M. G. Mendiratta, P. R. Subramaniam. Structural Intermetallics, TMS, Warrendale, 1993, p.619.

Google Scholar

[8] S. V. Dyck, L. Delaey, L. Froyen，et al. Intermetallics, Vol.3(1995), p.309

Google Scholar

[9] S. Milenkovic, R. Caram. J Crystal Growth, Vol.237–239( 2002), p.95

Google Scholar

[10] Z.Z. Hui, G. C.Yang, Y. H. Zhou. Progress in Natural Science, Vol. 7(1997), p.475

Google Scholar

[11] W. Kurz, P. R. Sahm. Directionally solidified eutectic materials. (Metallurgy Press, Beijing, 1989)

Google Scholar

[12] W. Kurz, D. J. Fisher. Fundamentals of Solidification. (Trans. Tech. Publications Ltd., Switzerland, 1998)

Google Scholar

[13] H. Q. Hu. Solidification principle of Metals. (Mechanical Industry Press，Beijing, 2000)

Google Scholar

[14] K. A. Jackson, J. D. Hunt. Trans AIME, Vol. 236(1966), p.1129

Google Scholar