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: Contribution to journalArticle

  • 9 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

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

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

Effect of annealing on the mechanical properties of nano-copper reinforced open-cell aluminum foams. / Sun, Yi; Burgueño, Rigoberto; Wang, Wei; Lee, Ilsoon.

In: Materials Science and Engineering A, Vol. 613, 08.09.2014, p. 340-351.

Research output: Contribution to journalArticle

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AU - Burgueño,Rigoberto

AU - Wang,Wei

AU - Lee,Ilsoon

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Y1 - 2014/9/8

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