Hierarchical Porous Monoliths of Steel with Self-Reinforcing Adaptive Properties

© 2023 The Authors. Advanced Materials published by Wiley-VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 35(2023), 10 vom: 05. März, Seite e2207181
1. Verfasser: Carpenter, Julia A (VerfasserIn)
Weitere Verfasser: Saraw, Zoubeir, Schwegler, Alain, Magrini, Tommaso, Kuhn, Gisela, Rafsanjani, Ahmad, Studart, André R
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2023
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article 3D printing additive manufacturing catalysis iron lightweight materials strength
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520 |a Porous structures offer an attractive approach to reduce the amount of natural resources used while maintaining relatively high mechanical efficiency. However, for some applications the drop in mechanical properties resulting from the introduction of porosity is too high, which has limited the broader utilization of porous materials in industry. Here, it is shown that steel monoliths can be designed to display high mechanical efficiency and reversible self-reinforcing properties when made with porous architectures with up to three hierarchical levels. Ultralight steel structures that can float on water and autonomously adapt their stiffness are manufactured by the thermal reduction and sintering of 3D printed foam templates. Using distinct mechanical testing techniques, image analysis, and finite element simulations, the mechanisms leading to the high mechanical efficiency and self-stiffening ability of the hierarchical porous monoliths are studied. The design and fabrication of mechanically stable porous monoliths using iron as a widely available natural resource is expected to contribute to the future development of functional materials with a more sustainable footprint 
650 4 |a Journal Article 
650 4 |a 3D printing 
650 4 |a additive manufacturing 
650 4 |a catalysis 
650 4 |a iron 
650 4 |a lightweight materials 
650 4 |a strength 
700 1 |a Saraw, Zoubeir  |e verfasserin  |4 aut 
700 1 |a Schwegler, Alain  |e verfasserin  |4 aut 
700 1 |a Magrini, Tommaso  |e verfasserin  |4 aut 
700 1 |a Kuhn, Gisela  |e verfasserin  |4 aut 
700 1 |a Rafsanjani, Ahmad  |e verfasserin  |4 aut 
700 1 |a Studart, André R  |e verfasserin  |4 aut 
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