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Nanocomposites of Aluminum Alloys by Rapid Solidification Processing

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Abstract

Aluminium alloys reinforced with transition metal aluminide (Al3Ti, Al3Fe, Al3Ni, etc.) particles possess high specific strength both at ambient and elevated temperature. The improved strength of these alloys are the results of slower coarsening rate of the intermetallic particles due to low diffusivity of the transition metals in aluminium. However, the strength can be enhanced further by refining the microstructure of the alloys to nanometer range. The authors have successfully attempted two important non-equilibrium processing techniques i.e. rapid solidification processing (RSP) and mechanical alloying for the refinement of the microstructure in various aluminium alloys. In this report, authors present a short review of their work on RSP of Al–Ti and Al–Fe alloys to produce nanocomposites.

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Notes

  1. All compositions are in atomic percent, unless mentioned.

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Author notes

  1. S. S. Nayak

    Present address: Centre for Advanced Materials Joining, University of Waterloo, Waterloo, ON, N2L 3G1, Canada

Authors and Affiliations

  1. Department of Metallurgical and Materials Engineering, Indian Institute of Technology Kharagpur, Kharagpur, 721302, West Bengal, India

    S. S. Nayak & S. K. Pabi

  2. Center for Noncrystalline Materials, Department of Materials Science and Engineering, Yonsei University, Seoul, 120-749, South Korea

    D. H. Kim

  3. Department of Metallurgical and Materials Engineering, Indian Institute of Technology Madras, Chennai, 600036, India

    B. S. Murty

Authors
  1. S. S. Nayak
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  2. D. H. Kim
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  3. S. K. Pabi
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  4. B. S. Murty
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Correspondence to S. S. Nayak.

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Nayak, S.S., Kim, D.H., Pabi, S.K. et al. Nanocomposites of Aluminum Alloys by Rapid Solidification Processing. Trans Indian Inst Met 65, 647–651 (2012). https://doi.org/10.1007/s12666-012-0213-y

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  • DOI: https://doi.org/10.1007/s12666-012-0213-y

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