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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국전기전자재료학회 Transactions on Electrical and Electronic Materials Transactions on Electrical and Electronic Materials 제20권 제5호
- 발행연도
- 2019.1
- 수록면
- 431 - 436 (6page)
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초록· 키워드
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To explore the eff ect of stray current and the concentration of Cl − on corrosion of buried pipeline in coastal area, in this paper, indoor electrochemical experiments were used to change the voltage of AC interference. The electrochemical parameters such as zero current potential error, Tafel constant and corrosion current density error of the polarization curves obtained in three diff erent concentrations of Cl − solutions without alternating current interference and with diff erent intensities of alternating current interference were compared and measured. The results showed that the corrosion potential of the sample was shifted negatively. When the interference ratio of the fi xed voltage was not disturbed, the corrosion current increased, and the corrosion process changed from cathode reaction control to hybrid control. AC stray current could aggravate the corrosion process of Q235 steel. In the presence of AC stray current, with the increase of applied AC voltage, the corrosion potential of Q235 steel moved negatively, the corrosion current density increased and the corrosion rate accelerated. The concentration of Cl − had a great infl uence on the reaction rate, and the higher the voltage, the more obvious the eff ect. This is of great signifi cance for eff ectively predicting the life of buried pipelines, improving the reliability of buried pipelines during service and protecting the safety of existing pipeline facilities.
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참고문헌 (18)
참고문헌 신청
V. Ramana Murty / 2016 / Use of chemically stabilized soil as cushion material below light weight structures founded on expansive soils / Mater. Civ. Eng 20:392~400
B. C. Haimson / 2017 / ISRM suggested methods forrock stress estimation-part 3 : hydraulic fracturing(HF)and/or hydraulic testing of pre-existing fractures(HTPE) / Int. J. Rock Mech. Min. Sci 40:1011~1020
B. Amadei / 2015 / Rock Stress and its Measurement / Chapman & Hall :69~76
B.C. Haimson / 2015 / Rock stress and earthquakes-Xie / Taylor & Francis Group :159~165
S. R. Maitra / 2015 / Experimental evaluation of interface friction and study of its infl uence on concrete pavement response / Transp. Eng 130:563~571
B. C. Haimson / 2017 / ISRM suggested methods forrock stress estimation-part 3 : hydraulic fracturing(HF)and/or hydraulic testing of pre-existing fractures(HTPE) / Int. J. Rock Mech. Min. Sci 40:1011~1020
B. Amadei / 2015 / Rock Stress and its Measurement / Chapman & Hall :69~76
B.C. Haimson / 2015 / Rock stress and earthquakes-Xie / Taylor & Francis Group :159~165
S. R. Maitra / 2015 / Experimental evaluation of interface friction and study of its infl uence on concrete pavement response / Transp. Eng 130:563~571
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