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Solution Treatment Enhances Both Static and Damping Properties of Al–Si–Mg alloys

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Abstract

The static properties of Al–Si–Mg alloys have been widely studied, but their damping behavior is generally neglected. Although there is an increasing concern regarding the mitigation of vibration, the correlation between the damping properties and the load bearing capacity of an alloy is frequently neglected. This study explores this relationship using A356 alloy as an example. It is concluded that, owing to eutectic Si coarsening/spheroidization, Mg2Si/π-phase dissolution, and α-Al solution strengthening, the solution treatment can enhance both static (yield strength) and dynamic (damping ratio) mechanical properties.

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This work is supported by FCT with the reference project UID/EEA/04436/2013, COMPETE 2020 with the code POCI-01-0145-FEDER-006941. Additionally, this work was developed on the aim of the research Post-Doctoral grant SFRH/BPD/76680/2011.

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Authors and Affiliations

  1. MEtRiCS - Mechanical Engineering and Resource Sustainability Center, University of Minho, Campus of Azurém, 4800-058, Guimarães, Portugal

    V. H. Carneiro

  2. CMEMS - Centre for Micro-Electro Mechanical Systems, University of Minho, Campus of Azurém, 4800-058, Guimarães, Portugal

    H. Puga

Authors
  1. V. H. Carneiro
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  2. H. Puga
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Correspondence to H. Puga.

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Manuscript submitted March 6, 2018.

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Carneiro, V.H., Puga, H. Solution Treatment Enhances Both Static and Damping Properties of Al–Si–Mg alloys. Metall Mater Trans A 49, 5942–5945 (2018). https://doi.org/10.1007/s11661-018-4961-0

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