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THz 전자기파를 이용한 나노시멘트 광학물성 측정

Other Titles
 Measurement of Optical Properties of Nano-Cement Using THz Electromagnetic Waves 
Authors
 김헌영  ;  강동훈  ;  오승재  ;  주철민 
Citation
 Journal of the Korean Society for Nondestructive Testing (비파괴검사학회지), Vol.36(5) : 363-369, 2016-10 
Journal Title
 Journal of the Korean Society for Nondestructive Testing (비파괴검사학회지) 
ISSN
 1225-7842 
Issue Date
2016-10
Keywords
Nano-Cement ; THz Electromagnetic Wave ; Optical Properties ; Nondestructive Testing
Abstract
Enhancing mechanical strength of concrete has been fascinated using carbon-based nanomaterials such as CNT and graphene. The key to improving strength is a dispersion of nanomaterials. A novel method is required to investigate the dispersion inner concrete nondestructively. In this study, the optical optical properties such as refractive index and absorption coefficient are measured in nano-cement mortar specimens containing MWCNT and GO using THz electro-magnetic waves. From the results, the properties of nano-cement mortar are confirmed to be 1.0% to 2.5% higher in refractive index, and –14% to 28% higher in absorption coefficient than those of cement mortar at the average values. Using these characteristics, visualizing the dispersion of nano-concrete structures seems possible in future.
Files in This Item:
T201606697.pdf Download
DOI
10.7779/JKSNT.2016.36.5.363
Appears in Collections:
5. Research Institutes (연구소) > Institute for Medical Convergence (연의-생공연 메디컬융합연구소) > 1. Journal Papers
Yonsei Authors
Oh, Seung Jae(오승재)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/178495
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