Effect of annealing on the mechanical properties of nano-copper reinforced open-cell aluminum foams

Yi Sun, Rigoberto Burgueño, Wei Wang, Ilsoon Lee

    Research output: Research - peer-reviewArticle

    • 6 Citations

    Abstract

    Hybrid metal foams can be created by reinforcing conventional open-cell aluminum (Al) foams with metals such as copper (Cu) and nickel (Ni) using electrodeposition. It has been demonstrated that hybrid foams can have an enhanced and controllable modulus, strength and energy absorption capacity. However, the low ductility of the nanocrystalline structured coating materials in hybrid foams may cause rupture and separation of the coating material and significantly reduce their energy absorption capacity. In this study, Al/Cu hybrid foams manufactured through electrodeposition were subjected to an annealing process and the effect of annealing temperature and time on their macro- and micro-level behavior under compression and tension was investigated using experimental and numerical methods. It was found that a proper amount of annealing can significantly enhance the energy absorption capacity of Al/Cu hybrid foams by increasing the coating ductility. However, excessive annealing will lead to formation of a wide zone of intermetallic compound at the Al/Cu interface and reduce the performance of Al/Cu hybrid foams.

    LanguageEnglish (US)
    Pages340-351
    Number of pages12
    JournalMaterials Science and Engineering A
    Volume613
    DOIs
    StatePublished - Sep 8 2014

    Profile

    foams
    mechanical properties
    aluminum
    copper
    annealing
    cells
    Aluminum
    Foams
    Copper
    Annealing
    Mechanical properties
    energy absorption
    coatings
    Energy absorption
    Coatings
    ductility
    electrodeposition
    Electrodeposition
    Ductility
    Metals

    Keywords

    • Annealing
    • Ductility
    • Electrodeposition
    • Hybrid foams
    • Nanocrystalline
    • Open-cell foam

    ASJC Scopus subject areas

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

    Cite this

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    abstract = "Hybrid metal foams can be created by reinforcing conventional open-cell aluminum (Al) foams with metals such as copper (Cu) and nickel (Ni) using electrodeposition. It has been demonstrated that hybrid foams can have an enhanced and controllable modulus, strength and energy absorption capacity. However, the low ductility of the nanocrystalline structured coating materials in hybrid foams may cause rupture and separation of the coating material and significantly reduce their energy absorption capacity. In this study, Al/Cu hybrid foams manufactured through electrodeposition were subjected to an annealing process and the effect of annealing temperature and time on their macro- and micro-level behavior under compression and tension was investigated using experimental and numerical methods. It was found that a proper amount of annealing can significantly enhance the energy absorption capacity of Al/Cu hybrid foams by increasing the coating ductility. However, excessive annealing will lead to formation of a wide zone of intermetallic compound at the Al/Cu interface and reduce the performance of Al/Cu hybrid foams.",
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    AU - Sun,Yi

    AU - Burgueño,Rigoberto

    AU - Wang,Wei

    AU - Lee,Ilsoon

    PY - 2014/9/8

    Y1 - 2014/9/8

    N2 - Hybrid metal foams can be created by reinforcing conventional open-cell aluminum (Al) foams with metals such as copper (Cu) and nickel (Ni) using electrodeposition. It has been demonstrated that hybrid foams can have an enhanced and controllable modulus, strength and energy absorption capacity. However, the low ductility of the nanocrystalline structured coating materials in hybrid foams may cause rupture and separation of the coating material and significantly reduce their energy absorption capacity. In this study, Al/Cu hybrid foams manufactured through electrodeposition were subjected to an annealing process and the effect of annealing temperature and time on their macro- and micro-level behavior under compression and tension was investigated using experimental and numerical methods. It was found that a proper amount of annealing can significantly enhance the energy absorption capacity of Al/Cu hybrid foams by increasing the coating ductility. However, excessive annealing will lead to formation of a wide zone of intermetallic compound at the Al/Cu interface and reduce the performance of Al/Cu hybrid foams.

    AB - Hybrid metal foams can be created by reinforcing conventional open-cell aluminum (Al) foams with metals such as copper (Cu) and nickel (Ni) using electrodeposition. It has been demonstrated that hybrid foams can have an enhanced and controllable modulus, strength and energy absorption capacity. However, the low ductility of the nanocrystalline structured coating materials in hybrid foams may cause rupture and separation of the coating material and significantly reduce their energy absorption capacity. In this study, Al/Cu hybrid foams manufactured through electrodeposition were subjected to an annealing process and the effect of annealing temperature and time on their macro- and micro-level behavior under compression and tension was investigated using experimental and numerical methods. It was found that a proper amount of annealing can significantly enhance the energy absorption capacity of Al/Cu hybrid foams by increasing the coating ductility. However, excessive annealing will lead to formation of a wide zone of intermetallic compound at the Al/Cu interface and reduce the performance of Al/Cu hybrid foams.

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    KW - Ductility

    KW - Electrodeposition

    KW - Hybrid foams

    KW - Nanocrystalline

    KW - Open-cell foam

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