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Young's modulus measurements of nanohoneycomb structures by flexural testing in atomic force microscopy

  • Dukhyun Choi
  • , Jihoon Jeon
  • , Pyungsoo Lee
  • , Woonbong Hwang
  • , Kunhong Lee
  • , Hyunchul Park

Research output: Contribution to journal › Article › peer-review

13 Citations (Scopus)

Abstract

This paper determines the Young's modulus of nanohoneycomb structures by flexural testing in an atomic force microscope (AFM). Since the cross-sectional area of nanohoneycomb structures varies along the structure, the area moment of inertia is not a constant. The area moment of inertia is also influenced by the porosity of the nanohoneycomb structure. An anodic aluminum oxide (AAO) film is fabricated as a nanohoneycomb structure. Young's modulus of the AAO film, measured from the results of flexural testing in AFM, is in good agreement with the results of tensile tests in a Nano-UTM (universal testing machine).

Original languageEnglish
Pages (from-to)548-553
Number of pages6
JournalComposite Structures
Volume79
Issue number4
DOIs
Publication statusPublished - Aug 2007

Bibliographical note

Funding Information:
This work was supported by the National R&D Program (M10214000191-02B1500-02910) of the Korea Science and Engineering Foundation.

Keywords

  • AFM
  • Nano-UTM
  • Nanohoneycomb structure
  • Young's modulus

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