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Corrosion Characteristics of hot rolled and thermo-mechanically treated steel rebar in concrete pore solution콘크리트 기공 솔루션에서의 열간 압연 및 열 기계처리 철근의 부식특성

Other Titles
콘크리트 기공 솔루션에서의 열간 압연 및 열 기계처리 철근의 부식특성
Authors
이한승싱 지텐드라 쿠마르
Issue Date
May-2018
Publisher
한국건축시공학회
Keywords
강철; 부식; 콘크리트 기공 솔루션; steel; corrosion; concrete pore solution
Citation
한국건축시공학회 춘계학술발표대회 논문집, v.18, no.1, pp.202 - 203
Indexed
OTHER
Journal Title
한국건축시공학회 춘계학술발표대회 논문집
Volume
18
Number
1
Start Page
202
End Page
203
URI
https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/6257
Abstract
Chemistry and microstructure of steel reinforcement bars play an important role to control the corrosion in concrete environments. In present study, we have chosen two different microstructure of steel rebars produced from companies and assessed their corrosion characteristics in simulated concrete pore (SCP) solution with prolonged exposure periods. Hot rolled steel rebar showed more corrosion resistance compare to thermo-mechanically treated (TMT) one. The growth of passive is greater in hot rolled (A) than TMT (B) due to orientation of microstructure. TMT steel rebar exhibit distorted microstructure with many micro cells which enhances the galvanic coupling and induce the deterioration while on the other hand hot rolled rebars exhibit fine grain boundary which responsible in growth of uniform, adherent and protective passive film resultant improved impedance was observed.
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COLLEGE OF ENGINEERING SCIENCES > MAJOR IN ARCHITECTURAL ENGINEERING > 1. Journal Articles

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Lee, Han Seung
ERICA 공학대학 (MAJOR IN ARCHITECTURAL ENGINEERING)
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