Effect of Si on microstructure and mechanical properties of Fe-based ultrafine eutectic composites

D. H. Pi, J. M. Park, G. A. Song, J. H. Han, K. R. Lim, S. Yi, S. H. Yi, D. H. Kim, N. S. Lee, Y. Seo, K. B. Kim

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Addition of Si into a Fe70Ni15B15 ultrafine eutectic composite has a significant influence to modulate the microstructure to bimodal eutectic structure comprising lamellar- and irregular-type eutectic by suppressing the formation of the micron-scale dendrites upon solidification. The (Fe70Ni15B 15)94Si4 bimodal eutectic composite presents considerably enhanced plasticity of ∼13% with high strength of ∼1520 MPa. The rotational motion of the spherical eutectic colony is considered to be a crucial factor to effectively dissipate shear localization thus improving the plastic deformability.

Original languageEnglish
Pages (from-to)1856-1859
Number of pages4
JournalIntermetallics
Volume18
Issue number10
DOIs
Publication statusPublished - 2010 Oct 1

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Eutectics
Mechanical properties
Microstructure
Composite materials
Dendrites (metallography)
Lamellar structures
Formability
Plasticity
Solidification
Ultrafine
Plastics

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

Cite this

Pi, D. H., Park, J. M., Song, G. A., Han, J. H., Lim, K. R., Yi, S., ... Kim, K. B. (2010). Effect of Si on microstructure and mechanical properties of Fe-based ultrafine eutectic composites. Intermetallics, 18(10), 1856-1859. https://doi.org/10.1016/j.intermet.2010.03.012
Pi, D. H. ; Park, J. M. ; Song, G. A. ; Han, J. H. ; Lim, K. R. ; Yi, S. ; Yi, S. H. ; Kim, D. H. ; Lee, N. S. ; Seo, Y. ; Kim, K. B. / Effect of Si on microstructure and mechanical properties of Fe-based ultrafine eutectic composites. In: Intermetallics. 2010 ; Vol. 18, No. 10. pp. 1856-1859.
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Pi, DH, Park, JM, Song, GA, Han, JH, Lim, KR, Yi, S, Yi, SH, Kim, DH, Lee, NS, Seo, Y & Kim, KB 2010, 'Effect of Si on microstructure and mechanical properties of Fe-based ultrafine eutectic composites', Intermetallics, vol. 18, no. 10, pp. 1856-1859. https://doi.org/10.1016/j.intermet.2010.03.012

Effect of Si on microstructure and mechanical properties of Fe-based ultrafine eutectic composites. / Pi, D. H.; Park, J. M.; Song, G. A.; Han, J. H.; Lim, K. R.; Yi, S.; Yi, S. H.; Kim, D. H.; Lee, N. S.; Seo, Y.; Kim, K. B.

In: Intermetallics, Vol. 18, No. 10, 01.10.2010, p. 1856-1859.

Research output: Contribution to journalArticle

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AU - Pi, D. H.

AU - Park, J. M.

AU - Song, G. A.

AU - Han, J. H.

AU - Lim, K. R.

AU - Yi, S.

AU - Yi, S. H.

AU - Kim, D. H.

AU - Lee, N. S.

AU - Seo, Y.

AU - Kim, K. B.

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