Sains Malaysiana 52(9)(2023): 2699-2711
http://doi.org/10.17576/jsm-2023-5209-18
Performance of Disposable Cu/CuSO4Reference Electrode in Reinforced Concrete
Corrosion Analysis
(Prestasi Elektrod Rujukan
Cu/CuSO4Pakai Buang dalam Analisis Kakisan Konkrit Tetulang)
MUHAMMAD
IHSAN1,2,5, SYARIZAL FONNA2*, SYIFAUL HUZNI2, NURUL ISLAMI,3SAGIR ALVA4& AHMAD KAMAL ARIFFIN5
1Faculty
of Engineering, Universitas Gajah Putih,24552, Takengon,
Indonesia
2Department of Mechanical & Industrial
Engineering, Universitas Syiah Kuala, Banda
Aceh, Indonesia
3Material Engineering,
Malikussaleh University, Lhokseumawe, Indonesia
4Mechanical Engineering Department,
Universitas Mercu Buana, West Jakarta, Indonesia
5Centre for Integrated Design for Advanced Mechanical
Systems
Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia
Diserahkan: 23 Disember2022/Diterima: 15 Ogos2023
Abstract
The investigation of reference electrode performance for
corrosion analysis has been widely conducted over the last decade. The need for
a disposable and reliable reference electrode is a specific need for corrosion
investigation. This research investigated the effectiveness of liquid-based and solid-state reference electrodes, which are disposable and provide
reliable performance. The electrode was prepared with low-cost material
preparation (disposable usage) within a Copper-Copper Sulphate (CCS) liquid-based and solid-state electrodes. The potential stability was already tested
for dependability by measuring the Open Circuit Potential (OCP) on the rebar
concrete specimen. The behaviour of solid-state reference and liquid-based reference
electrodes in terms of polarization was studied in a corroded environment.
Real-time potential data was also obtained for the corrosion rate
investigation. The result shows the consistency performance of (OCP) value
during corrosion measurement. The deviation of the maximum to a minimum
potential value less than 0.02 V, verifies that the liquid-based copper (Cu) electrode and solid-state copper (Cu) electrodes are reliable, adaptable, and
disposable for reinforced concrete corrosion measurement. In terms of corroded
rebar potential measurement, the real-time polarization measurement result
shows that the high-risk corroding occurred on the embedded rebar and was
validated by directly visualizing the rebar concrete specimen. Therefore, the
results obtained allow us to conclude that the disposable of both reference
electrodes shows their stability and significantly reduces the reinforced
concrete corrosion research cost.
Keywords: Concrete corrosion; copper-copper sulphate; Cu/CuSo4; potential analysis; reference electrode
Abstrak
Prestasi elektrod rujukan untuk analisis kakisan dikaji secara meluas
sejak beberapa dekad yang lepas. Keperluan
khusus untuk penyelidikan kakisan ini adalah untuk mengenal pasti
keperluan elektrod rujukan pakai buang dan boleh dipercayai. Penyelidikan ini mengkaji keberkesanan
elektrod rujukan berasaskan cecair dan keadaan pepejal yang merupakan prestasi
pakai buang dan boleh dipercayai. Elektrod telah disediakan dengan menggunakan
bahan kos rendah (pakai buang) dalam elektrod berasaskan cecair dan pepejal Sulfat Kuprum-Kuprum (CCS). Kestabilan potensi telah diuji untuk tujuan yang boleh dipercayai
melalui kaedah pengukuran Potensi Litar Terbuka (OCP) pada spesimen konkrit rebar. Kelakuan rujukan
keadaan pepejal dan elektrod rujukan berasaskan cecair dari segi polarisasi
telah dikaji dalam persekitaran terhakis. Data potensi masa nyata juga
diperoleh untuk kajian kadar kakisan. Hasilnya, kajian menunjukkan prestasi ketekalan nilai (OCP) semasa
pengukuran kakisan. Sisihan maksimum nilai potensi minimum kurang daripada 0.02
V menunjukkan bahawa elektrod kuprum (Cu)
berasaskan cecair dan elektrod kuprum (Cu) keadaan
pepejal boleh dipercayai, boleh disesuaikan dan boleh digunakan untuk
pengukuran kakisan konkrit bertetulang. Hasil pengukuran polarisasi masa nyata
menunjukkan bahawa kakisan berisiko tinggi berlaku pada rebar terbenam melalui
proses pemvisualisasi secara langsung spesimen konkrit rebar. Oleh itu,
kedua-dua elektrod rujukan pakai buang menunjukkan kestabilannya dan
mengurangkan kos penyelidikan kakisan konkrit bertetulang.
Kata
kunci: Analisis
keupayaan; Cu/CuSo4; elektrod
rujukan; kakisan konkrit; sulfat kuprum-kuprum
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*Pengarang untuk surat-menyurat; email: syarizal.fonna@unsyiah.ac.id
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