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  Micromechanics of Amorphous Metal/Polymer Hybrid Structures with 3D Cellular Architectures: Size Effects, Buckling Behavior, and Energy Absorption Capability

Mieszala, M., Hasegawa, M., Guillonneau, G., Bauer, J., Raghavan, R., Frantz, C., et al. (2017). Micromechanics of Amorphous Metal/Polymer Hybrid Structures with 3D Cellular Architectures: Size Effects, Buckling Behavior, and Energy Absorption Capability. Small, 13(8): UNSP 1602514. doi:10.1002/smll.201602514.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0001-70AA-1 Version Permalink: http://hdl.handle.net/21.11116/0000-0001-70AB-0
Genre: Journal Article

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 Creators:
Mieszala, Maxime1, Author              
Hasegawa, Madoka1, Author              
Guillonneau, Gaylord2, Author              
Bauer, Jens3, Author              
Raghavan, Rejin4, Author              
Frantz, Cedric1, Author              
Kraft, Oliver5, Author              
Mischler, Stefano1, Author              
Michler, Johann1, Author              
Philippe, Laätitia1, Author              
Affiliations:
1Empa – Swiss Federal Laboratories for Materials Science and Technology, Laboratory for Mechanics of Materials and Nanostructures, Thun, Switzerland, persistent22              
2Université de Lyon, Ecole Centrale de Lyon, Laboratoire de Tribologie et Dynamique des Systèmes, UMR CNRS 5513 ECL-ENISE-ENTPE, Ecully, France, persistent22              
3Karlsruhe Institute of Technology, Institute for Applied Materials, Karlsruhe, Germany, persistent22              
4Synthesis of Nanostructured Materials, Structure and Nano-/ Micromechanics of Materials, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society, ou_1863403              
5Karlsruhe Institute of Technology, Institute for Applied Materials, Engelbert-Arnold-Strasse 4, Karlsruhe, Germany, ou_persistent22              

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Free keywords: METALLIC-GLASS; MECHANICAL METAMATERIALS; MICROLATTICE STRUCTURES; THERMAL-EXPANSION; DEFORMATION; NANOLATTICES; STRENGTH; BRITTLE; NANOSTRUCTURES; FABRICATIONChemistry; Science & Technology - Other Topics; Materials Science; Physics;
 Abstract: By designing advantageous cellular geometries and combining the material size effects at the nanometer scale, lightweight hybrid microarchitectured materials with tailored structural properties are achieved. Prior studies reported the mechanical properties of high strength cellular ceramic composites, obtained by atomic layer deposition. However, few studies have examined the properties of similar structures with metal coatings. To determine the mechanical performance of polymer cellular structures reinforced with a metal coating, 3D laser lithography and electroless deposition of an amorphous layer of nickel-boron (NiB) is used for the first time to produce metal/polymer hybrid structures. In this work, the mechanical response of microarchitectured structures is investigated with an emphasis on the effects of the architecture and the amorphous NiB thickness on their deformation mechanisms and energy absorption capability. Microcompression experiments show an enhancement of the mechanical properties with the NiB thickness, suggesting that the deformation mechanism and the buckling behavior are controlled by the brittle-to-ductile transition in the NiB layer. In addition, the energy absorption properties demonstrate the possibility of tuning the energy absorption efficiency with adequate designs. These findings suggest that microarchitectured metal/polymer hybrid structures are effective in producing materials with unique property combinations.

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Language(s): eng - English
 Dates: 20172017-02-24
 Publication Status: Published in print
 Pages: 13
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: ISI: 000397018100006
DOI: 10.1002/smll.201602514
 Degree: -

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Title: Small
  Other : Small
Source Genre: Journal
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Publ. Info: Weinheim, Germany : Wiley
Pages: - Volume / Issue: 13 (8) Sequence Number: UNSP 1602514 Start / End Page: - Identifier: ISSN: 1613-6810
CoNE: /journals/resource/1000000000017440_1