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Microstructure and Mechanical Properties of Nanostructured Al-4Cu Alloy Produced by Mechanical Alloying and Vacuum Hot Pressing

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Abstract

Bulk nanostructured Al-4 wt pct Cu alloy with high compression strength (879 MPa) was produced by mechanical alloying followed by vacuum hot pressing (VHP). The hot-pressed compacts were nanostructured with a grain size of 50 nm and were densified to more than 99 pct of the theoretical density. Contributions from different strengthening mechanisms were estimated using simplified models and were compared with the experiment.

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One of the authors (TS) thanks the Deutscher Akademischer Austausch Dienst (DAAD), for a research fellowship, during which period a part of the work was carried out at Otto-von-Guericke University (Magdeburg, Germany).

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Authors and Affiliations

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

    T. Shanmugasundaram (Ph.D. Scholar), B. S. Murty (Professor) & V. Subramanya Sarma (Assistant Professor)

  2. Department of Materials Science, TU Darmstadt, D-64287, Darmstadt, Germany

    M. Heilmaier (Professor)

Authors
  1. T. Shanmugasundaram
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  2. M. Heilmaier
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  3. B. S. Murty
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  4. V. Subramanya Sarma
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Correspondence to T. Shanmugasundaram.

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Manuscript submitted June 15, 2009.

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Shanmugasundaram, T., Heilmaier, M., Murty, B.S. et al. Microstructure and Mechanical Properties of Nanostructured Al-4Cu Alloy Produced by Mechanical Alloying and Vacuum Hot Pressing. Metall Mater Trans A 40, 2798–2801 (2009). https://doi.org/10.1007/s11661-009-0005-0

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  • DOI: https://doi.org/10.1007/s11661-009-0005-0

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