Young's modulus measurements of nanohoneycomb structures by flexural testing in atomic force microscopy
- Authors
- Choi, Dukhyun; Jeon, Jihoon; Lee, Pyungsoo; Hwang, Woonbong; Lee, Kunhong; Park, Hyunchul
- Issue Date
- Aug-2007
- Publisher
- ELSEVIER SCI LTD
- Keywords
- AFM; Nano-UTM; Nanohoneycomb structure; Young's modulus
- Citation
- Composite Structures, v.79, no.4, pp 548 - 553
- Pages
- 6
- Journal Title
- Composite Structures
- Volume
- 79
- Number
- 4
- Start Page
- 548
- End Page
- 553
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/58438
- DOI
- 10.1016/j.compstruct.2006.02.023
- ISSN
- 0263-8223
1879-1085
- 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).
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