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Micromechanical characterisation of Ni/Al hybrid foams by nano- and microindentation coupled with EBSD

Metal foams are a very interesting class of cellular materials that is often used for lightweight construction or as energy absorbers. Ni/Al hybrid metal foams are a new and innovative composite foam material, consisting of nano-nickel coated aluminium foams. Since the mechanical properties of foams... Full description

Journal Title: Acta Materialia 01 January 2016, Vol.102, pp.38-48
Main Author: Jung, A
Other Authors: Chen, Z , Schmauch, J , Motz, C , Diebels, S
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 1359-6454 ; E-ISSN: 1873-2453 ; DOI: 10.1016/j.actamat.2015.09.018
Link: https://www.sciencedirect.com/science/article/pii/S1359645415006849
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recordid: elsevier_sdoi_10_1016_j_actamat_2015_09_018
title: Micromechanical characterisation of Ni/Al hybrid foams by nano- and microindentation coupled with EBSD
format: Article
creator:
  • Jung, A
  • Chen, Z
  • Schmauch, J
  • Motz, C
  • Diebels, S
subjects:
  • Open-Cell Metal Foams
  • Hybrid Metal Foam
  • Ebsd
  • Nanoindentation
  • Microindentation
  • Micromechanical Characterisation
  • Engineering
ispartof: Acta Materialia, 01 January 2016, Vol.102, pp.38-48
description: Metal foams are a very interesting class of cellular materials that is often used for lightweight construction or as energy absorbers. Ni/Al hybrid metal foams are a new and innovative composite foam material, consisting of nano-nickel coated aluminium foams. Since the mechanical properties of foams are strongly related to their microstructure, in Ni/Al hybrid foams, the coating is an additional degree of freedom affecting the mechanical properties of the foams. For meaningful simulations of the material behaviour, a detailed knowledge of the material properties of both the coating and the aluminnium struts is necessary. In this study, the micromechanical material parameters of Ni/Al hybrid foams are evaluated by means of nanoindentation and microindentation of the Ni coating and the Al struts. The indentation methods were coupled with electron backscatter diffraction (EBSD) in order to combine the determined parameter with the local grain structure....
language: eng
source:
identifier: ISSN: 1359-6454 ; E-ISSN: 1873-2453 ; DOI: 10.1016/j.actamat.2015.09.018
fulltext: no_fulltext
issn:
  • 1359-6454
  • 13596454
  • 1873-2453
  • 18732453
url: Link


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titleMicromechanical characterisation of Ni/Al hybrid foams by nano- and microindentation coupled with EBSD
creatorJung, A ; Chen, Z ; Schmauch, J ; Motz, C ; Diebels, S
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subjectOpen-Cell Metal Foams ; Hybrid Metal Foam ; Ebsd ; Nanoindentation ; Microindentation ; Micromechanical Characterisation ; Engineering
descriptionMetal foams are a very interesting class of cellular materials that is often used for lightweight construction or as energy absorbers. Ni/Al hybrid metal foams are a new and innovative composite foam material, consisting of nano-nickel coated aluminium foams. Since the mechanical properties of foams are strongly related to their microstructure, in Ni/Al hybrid foams, the coating is an additional degree of freedom affecting the mechanical properties of the foams. For meaningful simulations of the material behaviour, a detailed knowledge of the material properties of both the coating and the aluminnium struts is necessary. In this study, the micromechanical material parameters of Ni/Al hybrid foams are evaluated by means of nanoindentation and microindentation of the Ni coating and the Al struts. The indentation methods were coupled with electron backscatter diffraction (EBSD) in order to combine the determined parameter with the local grain structure....
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description

Metal foams are a very interesting class of cellular materials that is often used for lightweight construction or as energy absorbers. Ni/Al hybrid metal foams are a new and innovative composite foam material, consisting of nano-nickel coated aluminium foams. Since the mechanical properties of foams are strongly related to their microstructure, in Ni/Al hybrid foams, the coating is an additional degree of freedom affecting the mechanical properties of the foams. For meaningful simulations of the material behaviour, a detailed knowledge of the material properties of both the coating and the aluminnium struts is necessary.

In this study, the micromechanical material parameters of Ni/Al hybrid foams are evaluated by means of nanoindentation and microindentation of the Ni coating and the Al struts. The indentation methods were coupled with electron backscatter diffraction (EBSD) in order to combine the determined parameter with the local grain structure.

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Metal foams are a very interesting class of cellular materials that is often used for lightweight construction or as energy absorbers. Ni/Al hybrid metal foams are a new and innovative composite foam material, consisting of nano-nickel coated aluminium foams. Since the mechanical properties of foams are strongly related to their microstructure, in Ni/Al hybrid foams, the coating is an additional degree of freedom affecting the mechanical properties of the foams. For meaningful simulations of the material behaviour, a detailed knowledge of the material properties of both the coating and the aluminnium struts is necessary.

In this study, the micromechanical material parameters of Ni/Al hybrid foams are evaluated by means of nanoindentation and microindentation of the Ni coating and the Al struts. The indentation methods were coupled with electron backscatter diffraction (EBSD) in order to combine the determined parameter with the local grain structure.

...
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