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March 31, 2026Journal of Materials Research and Technology3 citationsOpen Access

Direct Aging of AlSi10Mg Alloy in Powder Bed Fusion without prior Treatment

Direct Aging of AlSi10Mg Alloy Produced by Powder Bed Fusion – Laser Beam: Eliminating the Need for Solution Heat Treatment

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Authors

RBR.L. BatalhaCFC.M. FerreiraASAndré Silva

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Overview

This work demonstrates direct aging improves strength in AlSi10Mg alloy, indicating a new optimization route for additive manufacturing.

Key Points

  • To establish effective aging conditions for AlSi10Mg alloy produced by Powder Bed Fusion without requiring solution heat treatment.
  • Conducted systematic assessment of temperature-time combinations for aging.
  • Investigated microstructural evolution and mechanical behavior of the alloy post-treatment.
  • Evaluated hardness, yield strength, and ultimate tensile strength across different treatments.
  • Direct aging at 150°C for 2 hours resulted in the highest hardness and tensile performance.
  • Yield and ultimate tensile strengths increased by 17% and 13% respectively compared to the as-built state.
  • Natural aging for 48 hours was necessary to achieve peak hardness.
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Cite This Study

Batalha et al. (2026) studied this question.

synapsesocial.com/papers/69cb64b0e6a8c024954b8cb4https://doi.org/10.1016/j.jmrt.2026.03.256
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