Compressive behavior of aluminum/copper hybrid foams under high strain rate loading

Yi Sun, Rigoberto Burgueño, Andy J. Vanderklok, Srinivasan Arjun Tekalur, Wei Wang, Ilsoon Lee

    Research output: Contribution to journalArticle

    • 11 Citations

    Abstract

    The accessible interconnected structure of open-cell metal foams offers the opportunity to create hybrid foam materials through electrodeposited metal coatings, which has great potential for the fabrication of functionally-graded foam systems. Nanocopper coated aluminum (Al) foam was created by reinforcing conventional open-cell Al foams with electrodeposited nanocrystalline copper (Cu). The mechanical properties of such Al/Cu hybrid foam under high strain-rate compression were investigated using a split Hopkinson pressure bar and numerical methods were used to gain a further understanding on the micro-scale failure mechanisms. It was found that the stable compressive response of open-cell Al foam can be effectively enhanced by electrodeposited nanocopper coatings. However, such enhancement is limited by the relatively high brittleness of the Al/Cu hybrid foam due to the low ductility level of the electrodeposited nano-coating material. Nonetheless, this study also shows that the overall energy absorption performance of Al/Cu hybrid foams under high strain rate loading can be significantly improved by increasing the ductility level of the electrodeposited copper coating.

    Original languageEnglish (US)
    Pages (from-to)111-120
    Number of pages10
    JournalMaterials Science and Engineering A
    Volume592
    DOIs
    StatePublished - Jan 13 2014

    Profile

    foams
    Foams
    Ambroxol
    aluminum
    Aluminum
    strain rate
    coatings
    copper
    cells
    Strain rate
    Copper
    Coatings
    Acetabularia
    Levodopa
    ductility
    Ductility
    Traffic Accidents
    metal foams
    metal coatings
    brittleness

    Keywords

    • Electrodeposition
    • Energy absorption
    • Finite element methods
    • High strain rate
    • Hybrid open-cell foams
    • Nanocrystalline materials

    ASJC Scopus subject areas

    • Materials Science(all)
    • Condensed Matter Physics
    • Mechanical Engineering
    • Mechanics of Materials

    Cite this

    Compressive behavior of aluminum/copper hybrid foams under high strain rate loading. / Sun, Yi; Burgueño, Rigoberto; Vanderklok, Andy J.; Tekalur, Srinivasan Arjun; Wang, Wei; Lee, Ilsoon.

    In: Materials Science and Engineering A, Vol. 592, 13.01.2014, p. 111-120.

    Research output: Contribution to journalArticle

    Sun, Yi; Burgueño, Rigoberto; Vanderklok, Andy J.; Tekalur, Srinivasan Arjun; Wang, Wei; Lee, Ilsoon / Compressive behavior of aluminum/copper hybrid foams under high strain rate loading.

    In: Materials Science and Engineering A, Vol. 592, 13.01.2014, p. 111-120.

    Research output: Contribution to journalArticle

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    abstract = "The accessible interconnected structure of open-cell metal foams offers the opportunity to create hybrid foam materials through electrodeposited metal coatings, which has great potential for the fabrication of functionally-graded foam systems. Nanocopper coated aluminum (Al) foam was created by reinforcing conventional open-cell Al foams with electrodeposited nanocrystalline copper (Cu). The mechanical properties of such Al/Cu hybrid foam under high strain-rate compression were investigated using a split Hopkinson pressure bar and numerical methods were used to gain a further understanding on the micro-scale failure mechanisms. It was found that the stable compressive response of open-cell Al foam can be effectively enhanced by electrodeposited nanocopper coatings. However, such enhancement is limited by the relatively high brittleness of the Al/Cu hybrid foam due to the low ductility level of the electrodeposited nano-coating material. Nonetheless, this study also shows that the overall energy absorption performance of Al/Cu hybrid foams under high strain rate loading can be significantly improved by increasing the ductility level of the electrodeposited copper coating.",
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    AU - Wang,Wei

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