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Erschienen in:

2023 | OriginalPaper | Buchkapitel

On the Fatigue Performance of Additively Manufactured Metamaterials: A Combined Experimental and Simulation Study

verfasst von : Daniel Barba, Antonio Vazquez-Prudencio, Conrado Garrido, Sergio Perosanz-Amarillo

Erschienen in: TMS 2023 152nd Annual Meeting & Exhibition Supplemental Proceedings

Verlag: Springer Nature Switzerland

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Abstract

Architected metallic metamaterials fabricated by additive manufacturing are called to expand infinitely the variety of available properties observed in bulk alloys. However, the high surface-to-volume ratio of the architected metamaterials due to their intricate geometries and the surface inherited of the AM process is translated to a complex fatigue behaviour when compared with bulk conventional alloys. This is a serious concern in the use of this new class of architected AM materials in technological applications. In this work, this problem is tackled by a systematic multiscale study of the metamaterial design—processing and defects—fatigue properties’ interconnection. Commercial aluminium alloy, AlSi10Mg, processed by selective laser melting is used as the base material. By means of combined fatigue experimentation, computational modelling and defect identification, the effect of processing conditions and design geometry on microstructural defects and surface quality is rationalised and connected with the fatigue life of metamaterials.

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Titel: On the Fatigue Performance of Additively Manufactured Metamaterials: A Combined Experimental and Simulation Study
verfasst von: Daniel Barba
Antonio Vazquez-Prudencio
Conrado Garrido
Sergio Perosanz-Amarillo
Verlag: Springer Nature Switzerland
Buch: TMS 2023 152nd Annual Meeting & Exhibition Supplemental Proceedings
Print ISBN: 978-3-031-22523-9

Electronic ISBN: 978-3-031-22524-6

Copyright-Jahr: 2023
DOI: https://doi.org/10.1007/978-3-031-22524-6_10

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