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콘크리트 기공 솔루션에서의 열간 압연 및 열 기계처리 철근의 부식특성

Title
콘크리트 기공 솔루션에서의 열간 압연 및 열 기계처리 철근의 부식특성
Other Titles
Corrosion Characteristics of hot rolled and thermo-mechanically treated steel rebar in concrete pore solution
Author
이한승
Keywords
강철; 부식; 콘크리트 기공 솔루션; steel; corrosion; concrete pore solution
Issue Date
2018-05
Publisher
한국건축시공학회
Citation
한국건축시공학회 학술발표대회 논문집, v. 18, No. 1, Page. 202-203
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.
URI
http://kiss.kstudy.com/thesis/thesis-view.asp?key=3610687http://repository.hanyang.ac.kr/handle/20.500.11754/99067
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > ARCHITECTURE(건축학부) > Articles
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