Investigation of Corrosion Behaviour of Mild Steel Embedded in Geopolymer Paste with Curing and Non-Curing Process

• Autorzy: Shaharudin Fatin Shahira , Zainal Farah Farhana , Hayazi Nur Farhana , Parimin Noraziana , Nadzri Nur Izzati Muhammad , Hastuty Sri , Kusbiantoro Andri

Identyfikatory

DOI

10.24425/amm.2023.146229

• Języki publikacji: EN

Abstrakty

EN

This research was conducted to examine the corrosion behaviour of mild steel bar embedded in geopolymer paste based fly ash Class F during curing and non-curing process. The geopolymer paste was fabricated by blending in the fly ash with alkaline activators (NaOH solution with molarity of 12 M, 2.5 ratio of solution Na2SiO3/NaOH). The paste was produced in 50 mm × 50 mm × 50 mm mould where the mild steel bar of 100 mm (length) × 12 mm (diameter) was embedded at the center of geopolymer paste. This is to comprehend the corrosion behaviour of mild steel embedded in geopolymer paste with and without curing process. Process of curing is carried out for 24 hours at a temperature of 60°C in oven. While on the contrary, the non-curing process will only be leave at room temperature. Both samples were tested after 28 days of curing to determine the corrosion behaviour, phase analysis and morphology analysis. In accordance with the morphology analysis, it shows that the fly ash was totally reacted with alkaline solutions in curing geopolymer paste sample while the non-curing geopolymer paste has shown the unreacted fly ash with high number of pores. The phase analysis of mild steel embedded in this geopolymer paste during curing and without curing process has proven that the presence of new crystallographic peak which also known as passive layer occurred. The potential values result by OCP testing shows the curing sample has highest potential values as compared to the non-curing sample ones.

Słowa kluczowe

EN

corrosion behaviour; curing; non-curing; geopolymer paste; mild steel; passivity region

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2023
• Tom: Vol. 68, iss. 4
• Strony: 1603--1607
• Opis fizyczny: Bibliogr. 18 poz., fot., rys., tab.

Twórcy

autor

Shaharudin Fatin Shahira

• Universiti Malaysia Perlis (UniMAP), Faculty of Chemical Engineering and Technology, Center of Excellence Geopolymer and Green Technology (CEGeoGTech), 01000 Perlis, Malaysia

• https://orcid.org/0000-0002-1109-6525

autor

Zainal Farah Farhana

• Universiti Malaysia Perlis (UniMAP), Faculty of Chemical Engineering and Technology, Center of Excellence Geopolymer and Green Technology (CEGeoGTech), 01000 Perlis, Malaysia

• https://orcid.org/0000-0001-5550-8117

autor

Hayazi Nur Farhana

• Universiti Malaysia Perlis (UniMAP), Faculty of Chemical Engineering and Technology, Center of Excellence Geopolymer and Green Technology (CEGeoGTech), 01000 Perlis, Malaysia

• https://orcid.org/0000-0001-8583-5995

autor

Parimin Noraziana

• Universiti Malaysia Perlis (UniMAP), Faculty of Chemical Engineering and Technology, Center of Excellence Geopolymer and Green Technology (CEGeoGTech), 01000 Perlis, Malaysia

• https://orcid.org/0000-0003-2069-7207

autor

Nadzri Nur Izzati Muhammad

• Universiti Malaysia Perlis (UniMAP), Faculty of Chemical Engineering and Technology, Center of Excellence Geopolymer and Green Technology (CEGeoGTech), 01000 Perlis, Malaysia

• https://orcid.org/0000-0002-7130-5819

autor

Hastuty Sri

• Universitas Pertamina, Department of Mechanical Engineering, Jakarta 12220, Indonesia

• https://orcid.org/0000-0002-7601-3137

autor

Kusbiantoro Andri

• Universiti Tun Hussein Onn Malaysia, Faculty of Engineering Technology, Johor, Malaysia

• https://orcid.org/0000-0002-5910-4838

Bibliografia

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Uwagi

1. We would like to express the gratitude and appreciation to all staff Center of Excellence Geopolymer & Green Technology (CEGeoGTech), Faculty of Chemical Engineering Technology, Universiti Malaysia Perlis (UniMAP) for their involvement in the research. This research was funded and supported under a grant number of FRGS/1/2018/TK06/UNIMAP/02/2 by the Fundamental Research Grant Scheme (FRGS) from the Ministry of Education Malaysia.

2. Opracowanie rekordu ze środków MNiSW, umowa nr POPUL/SP/0154/2024/02 w ramach programu "Społeczna odpowiedzialność nauki II" - moduł: Popularyzacja nauki (2025)