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The Role of Alloy Composition and T7 Heat Treatment in Enhancing Thermal Conductivity of Aluminum High Pressure Diecastings

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Abstract

The thermal conductivity of some common and experimental high pressure diecasting (HPDC) Al-Si-Cu alloys is evaluated. It is shown that the thermal conductivity of some compositions may be increased by more than 60 pct by utilizing T7 heat treatments. This may have substantial performance and cost benefits for applications where thermal management is a key design parameter.

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Authors and Affiliations

  1. CSIRO Future Manufacturing Flagship, Private Bag 33, Clayton South MDC, VIC, 3169, Australia

    Roger N. Lumley (Principal Research Scientist, Technical Manager)

  2. AWBell Pty Ltd., 145 Abbotts Rd., Dandenong South, VIC, 3175, Australia

    Roger N. Lumley (Principal Research Scientist, Technical Manager)

  3. CSIRO Process Science and Engineering, Clayton, VIC, 3169, Australia

    Natalia Deeva (Research Assistant)

  4. TPRL, Inc., 3080 Kent Ave., West Lafayette, IN, 47906, USA

    Robert Larsen (Researcher) & Joe Freeman (Researcher)

  5. TA Instruments Corp., 159 Lukens Drive, New Castle, DE, 19720, USA

    Jozef Gembarovic (Application Scientist)

Authors
  1. Roger N. Lumley
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  2. Natalia Deeva
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  3. Robert Larsen
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  4. Jozef Gembarovic
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  5. Joe Freeman
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Correspondence to Roger N. Lumley.

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Manuscript submitted December 13, 2011.

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Lumley, R.N., Deeva, N., Larsen, R. et al. The Role of Alloy Composition and T7 Heat Treatment in Enhancing Thermal Conductivity of Aluminum High Pressure Diecastings. Metall Mater Trans A 44, 1074–1086 (2013). https://doi.org/10.1007/s11661-012-1443-7

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  • DOI: https://doi.org/10.1007/s11661-012-1443-7

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