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Fracture Toughness and Fatigue Strength of Selective Laser Melted Aluminium–Silicon: An Overview

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TMS 2019 148th Annual Meeting & Exhibition Supplemental Proceedings

Part of the book series: The Minerals, Metals & Materials Series ((MMMS))

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Abstract

Metals fabricated in a powder-bed environment can achieve outstanding mechanical properties . Aluminium -silicon (AlSi) alloys can exhibit an anisotropic behaviour and exhibit inhomogeneities and predetermined sites of fracture in their as-fabricated state. The work at hand provides an overview of the fracture toughness and the fatigue performance of selective laser melted AlSi, including surface treatments and the impact of the irradiation paradigm. In addition, the results of conventional post-heat treatments on selective laser melted material as well as their limitations are discussed.

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Authors and Affiliations

  1. Institute of Materials Science and Mechanics of Materials, Technical University Munich, 85748, Garching, Germany

    Leonhard Hitzler & Ewald Werner

  2. Faculty of Mechanical Engineering, Esslingen University of Applied Sciences, 73728, Esslingen, Germany

    Enes Sert & Andreas Öchsner

  3. Faculty of Mechanical Engineering, Aalen University of Applied Sciences, 73430, Aalen, Germany

    Markus Merkel

Authors
  1. Leonhard Hitzler
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  2. Enes Sert
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  3. Markus Merkel
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  4. Andreas Öchsner
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  5. Ewald Werner
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Correspondence to Leonhard Hitzler .

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    © 2019 The Minerals, Metals & Materials Society

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    Hitzler, L., Sert, E., Merkel, M., Öchsner, A., Werner, E. (2019). Fracture Toughness and Fatigue Strength of Selective Laser Melted Aluminium–Silicon: An Overview. In: TMS 2019 148th Annual Meeting & Exhibition Supplemental Proceedings. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-030-05861-6_37

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