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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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Calibration of Nanoindentation Systems Based on the Reference Hardness of a Fused Silica

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Title
Calibration of Nanoindentation Systems Based on the Reference Hardness of a Fused Silica
Other Titles
용해실리카의 기준경도를 이용한 나노 압입시스템의 실험적 교정
Author
Lee, Yun-HeeAhn, Seung-minKim, Ju-YoungPark, Chan-PyungJane, Hee-Kwang
Issue Date
2015-03
Publisher
KOREAN INST METALS MATERIALS
Citation
KOREAN JOURNAL OF METALS AND MATERIALS, v.53, no.3, pp.162 - 168
Abstract
Indirect calibration of a nanoindentation system was performed by deriving a reference loading curve. This reference load-depth relationship was accomplished by assuming a perfect nanoindentation test on an ideal reference material; if all components in a nanoindentation system are well calibrated and the reference material has unique hardness and Young's modulus, the indentation depth can be formulated with a function of the indentation load having two parts of contact and surrounding elastic depths. Substituting both the hardness and Young's modulus of a fused silica into the derived function, the reference loading curve was plotted and directly compared with experimental data of the fused silica measured by two commercial nanoindenters. All indentation loading curves showed leftward shifts compared to the reference loading curve, and this is discussed, offering two reasons for the result, system compliance and indenter apex geometry
URI
https://scholarworks.unist.ac.kr/handle/201301/11287
URL
http://210.101.116.102/journal_korea/detail_01.asp?a_key=3302022
DOI
10.3365/KJMM.2014.53.3.162
ISSN
1738-8228
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MSE_Journal Papers
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