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탄소나노튜브 보강 여부에 따른 자가치료용 마이크로캡슐의 박막 특성 평가

Evaluation of Thin-Shell Properties of Self-Healing Microcapsules by Reinforcement of Carbon Nanotubes

Journal of the Korean Society for Precision Engineering 2023;40(1):71-77.
Published online: January 1, 2023

1 금오공과대학교 대학원 기계공학과

2 금오공과대학교 기계공학과

1 Department of Mechanical Engineering, Graduate School, Kumoh National Institute of Technology

2 Department of Mechanical Engineering, Kumoh National Institute of Technology

#E-mail: shyoon@kumoh.ac.kr, TEL: +82-54-478-7299
• Received: July 17, 2022   • Revised: September 8, 2022   • Accepted: September 15, 2022

Copyright © The Korean Society for Precision Engineering

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Citations

Citations to this article as recorded by  Crossref logo
  • Analysis of mechanical properties and stress distribution in self-healing microcapsules using micro-compressive test, nanoindentation test, and finite element analysis
    Hyeon Ji Kim, Sung Ho Yoon
    Functional Composites and Structures.2024; 6(4): 045001.     CrossRef
  • A simplified predictive model for the compression behavior of self-healing microcapsules using an empirical coefficient
    Jaeho Cha, Sungho Yoon
    Functional Composites and Structures.2024; 6(3): 035010.     CrossRef

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Evaluation of Thin-Shell Properties of Self-Healing Microcapsules by Reinforcement of Carbon Nanotubes
J. Korean Soc. Precis. Eng.. 2023;40(1):71-77.   Published online January 1, 2023
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Evaluation of Thin-Shell Properties of Self-Healing Microcapsules by Reinforcement of Carbon Nanotubes
J. Korean Soc. Precis. Eng.. 2023;40(1):71-77.   Published online January 1, 2023
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Evaluation of Thin-Shell Properties of Self-Healing Microcapsules by Reinforcement of Carbon Nanotubes
Image Image Image Image Image Image Image Image Image
Fig. 1 Schematic diagram of the manufacturing process
Fig. 2 Schematic diagram of the storage capability test
Fig. 3 Schematic diagram of the micro-compressive test
Fig. 4 Thin-shell surface of microcapsules observed by FE-SEM
Fig. 5 Measurement of thin-shell thickness of microcapsules
Fig. 6 Storage capability test results of microcapsules
Fig. 7 Typical load-displacement curves conducted by micro-compressive test
Fig. 8 Deformation of microcapsules observed in micro-compressive test
Fig. 9 Test results obtained by micro-compressive test
Evaluation of Thin-Shell Properties of Self-Healing Microcapsules by Reinforcement of Carbon Nanotubes

Diameter distributions of three types of microcapsules

μm >100 100-150 150-200 <200
Type
MWCNT_0.00 3.2 28.5 51.8 16.6
MWCNT_0.17 6.3 47.5 34.3 12.0
MWCNT_0.50 0.3 53.7 38.3 7.8

Thin-shell thicknesses of microcapsules

μm >100 >100-150 >150-200
Type
MWCNT_0.00 589
(39.8)
607
(37.1)
619
(28.7)
MWCNT_0.17 463
(21.9)
460
(25.3)
477
(26.8)
MWCNT_0.50 376
(18.5)
385
(17.9)
389
(13.1)

( ) : standard deviation, unit : nm

Table 1 Diameter distributions of three types of microcapsules
Table 2 Thin-shell thicknesses of microcapsules

( ) : standard deviation, unit : nm