Modeling and simulation of the quasi-static compressive behavior of Al/Cu hybrid open-cell foams

Yi Sun, Rigoberto Burgueño, Wei Wang, Ilsoon Lee

Research output: Contribution to journalArticle

  • 6 Citations

Abstract

The development and manufacturing of hybrid metal foams through nanocrystalline electrodeposited metal coatings has recently received increased attention for their promise for tailored performance. The performance of nano-reinforced foams has been demonstrated and assessed experimentally. However, methods to numerically study and simulate the behavior of metal hybrid foams are not well established. Further, clear explanation of the mechanisms behind their unique behavior is still lacking. Finite element method approaches considering both coating and base material damage are used in this study to investigate the failure mechanisms and mechanical performance of nanocrystalline hybrid open cell foams at micro and macro scales. The numerical models agree well with experimental results and have provide insight into the behavior and failure mechanisms of hybrid foams. It was found that the low ductility capacity of nanocrystalline coatings can cause early fracture of composite ligaments and localized damage at the macro scale and thus reduce the load carrying capacity. The numerical results also indicate that the performance of hybrid foams can be enhanced by improving the ductility capacity of the coating material.

LanguageEnglish (US)
Pages135-146
Number of pages12
JournalInternational Journal of Solids and Structures
Volume54
DOIs
StatePublished - Feb 1 2015

Profile

Foam
foams
Modeling and Simulation
Foams
Coating
Cell
cells
ductility
Ductility
Failure Mechanism
coatings
simulation
Metals
Coatings
Macros
metal foams
damage
load carrying capacity
Damage
metal coatings

Keywords

  • Electrodeposition
  • Energy absorption
  • Finite element method
  • Nanocrystalline
  • Open cell foam

ASJC Scopus subject areas

  • Mechanical Engineering
  • Mechanics of Materials
  • Materials Science(all)
  • Condensed Matter Physics
  • Applied Mathematics
  • Modeling and Simulation

Cite this

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abstract = "The development and manufacturing of hybrid metal foams through nanocrystalline electrodeposited metal coatings has recently received increased attention for their promise for tailored performance. The performance of nano-reinforced foams has been demonstrated and assessed experimentally. However, methods to numerically study and simulate the behavior of metal hybrid foams are not well established. Further, clear explanation of the mechanisms behind their unique behavior is still lacking. Finite element method approaches considering both coating and base material damage are used in this study to investigate the failure mechanisms and mechanical performance of nanocrystalline hybrid open cell foams at micro and macro scales. The numerical models agree well with experimental results and have provide insight into the behavior and failure mechanisms of hybrid foams. It was found that the low ductility capacity of nanocrystalline coatings can cause early fracture of composite ligaments and localized damage at the macro scale and thus reduce the load carrying capacity. The numerical results also indicate that the performance of hybrid foams can be enhanced by improving the ductility capacity of the coating material.",
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AU - Burgueño,Rigoberto

AU - Wang,Wei

AU - Lee,Ilsoon

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Y1 - 2015/2/1

N2 - The development and manufacturing of hybrid metal foams through nanocrystalline electrodeposited metal coatings has recently received increased attention for their promise for tailored performance. The performance of nano-reinforced foams has been demonstrated and assessed experimentally. However, methods to numerically study and simulate the behavior of metal hybrid foams are not well established. Further, clear explanation of the mechanisms behind their unique behavior is still lacking. Finite element method approaches considering both coating and base material damage are used in this study to investigate the failure mechanisms and mechanical performance of nanocrystalline hybrid open cell foams at micro and macro scales. The numerical models agree well with experimental results and have provide insight into the behavior and failure mechanisms of hybrid foams. It was found that the low ductility capacity of nanocrystalline coatings can cause early fracture of composite ligaments and localized damage at the macro scale and thus reduce the load carrying capacity. The numerical results also indicate that the performance of hybrid foams can be enhanced by improving the ductility capacity of the coating material.

AB - The development and manufacturing of hybrid metal foams through nanocrystalline electrodeposited metal coatings has recently received increased attention for their promise for tailored performance. The performance of nano-reinforced foams has been demonstrated and assessed experimentally. However, methods to numerically study and simulate the behavior of metal hybrid foams are not well established. Further, clear explanation of the mechanisms behind their unique behavior is still lacking. Finite element method approaches considering both coating and base material damage are used in this study to investigate the failure mechanisms and mechanical performance of nanocrystalline hybrid open cell foams at micro and macro scales. The numerical models agree well with experimental results and have provide insight into the behavior and failure mechanisms of hybrid foams. It was found that the low ductility capacity of nanocrystalline coatings can cause early fracture of composite ligaments and localized damage at the macro scale and thus reduce the load carrying capacity. The numerical results also indicate that the performance of hybrid foams can be enhanced by improving the ductility capacity of the coating material.

KW - Electrodeposition

KW - Energy absorption

KW - Finite element method

KW - Nanocrystalline

KW - Open cell foam

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