The Mechanical Response of Arrays of Carbon Nanotubes Coated with Metallic Shells

Mohamad B. Zbib, Matthew Howard, Michael R. Maughan, Nicolas J. Briot, T. John Balk, David F. Bahr

Research output: Contribution to journalArticlepeer-review


A synthesis method to form foams consisting of a shell of metals conformally coated on carbon nanotube (CNT) arrays by electroplating from a single bath electrolyte is demonstrated in this work. A triple cyclic pulse electrodeposition technique was used to deposit Ni and Cu layers on the CNT arrays, and electron microscopy was then used to identify conditions amenable to semi-conformal and island growth morphologies. Nanoindentation of the resulting metallic-CNT composite foam structure, using a flat punch/compression geometry, demonstrates that adding metallic shells to the CNT turf to create a metallic low density foam increases both the hardness and elastic modulus; however, once island growth initiates there is no significant subsequent increase in mechanical properties with increases in deposited metals.

Original languageEnglish
Pages (from-to)2801-2808
Number of pages8
JournalMRS Advances
Issue number45-46
StatePublished - 2018

Bibliographical note

Publisher Copyright:
© 2018 Materials Research Society.

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • General Materials Science


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