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Kim, Ju-Young
Robust Multifunctional Materials Lab
Research Interests
  • Flexible / stretchable devices, nano-mechanics, nanoporous metal, materials reliability

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Mechanical characterization of nano-structured materials using nanoindentation

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Title
Mechanical characterization of nano-structured materials using nanoindentation
Author
Kim, Ju-YoungKim, SHLee, JSLee, KWKwon, D
Keywords
Indentation size effect;  Interface strengthening;  Nanoindentation;  Nano-multilayers;  Tip bluntness
Issue Date
2006-06
Publisher
KOREAN INST METALS MATERIALS
Citation
METALS AND MATERIALS INTERNATIONAL, v.12, no.3, pp.219 - 223
Abstract
The principal strengths of the nanoindentation technique, which is used extensively to measure the mechanical properties of nano/micro materials, are easy sample preparation and simple experimental method. Hardness and Young's modulus are essential properties measured by nanoindentation; hardness corresponds to resistance to plastic deformation whereas Young's modulus is related to elastic deformation. Two key difficulties arise in association with narroindentation on small volumes: measurement accuracy and material response. Here we discuss the indentation size effect (ISE) considering tip bluntness and variation in hardness of nano-multilayers with a bilayer period, representative research on measurement improvement, and material response at nanoscalles.
URI
https://scholarworks.unist.ac.kr/handle/201301/7659
ISSN
1598-9623
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