Investigation of SiO2: Na2O ratio as a corrosion inhibitor for metal alloys

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

The silicate is one of the potential compounds used as a corrosion inhibitor for metal alloys. The mixture between silica and sodium hydroxide (NaOH) succeeded to produce the silicate product. The formulation of a silicate product normally variable depended by the different ratio of SiO 2:Na2O. This research utilized the agriculture waste product of paddy using its rice husk. In this study, the amorphous silica content in rice husk ash was used after rice husk burnt in a muffle furnace at a certain temperature. The X-ray diffraction (XRD) analysis was done to determine the existence of amorphous phase of silica in the rice husk ash. There are several studies that recognized rice husk as an alternative source that obtained high silica content. The X-ray fluorescence (XRF) analysis was carried out to clarify the percentage amount of Si and O elements, which referred the silica compound in rice husk ash. The preparation of sodium silicate formulation were differ based on the SiO2:Na2O ratio (SiO 2:Na2O ratio = 1.00, 2.00 and 3.00). These silicate based corrosion inhibitors were tested on several testing samples, which were copper (99.9%), aluminum alloy (AA 6061) and carbon steel (SAE 1045). The purpose of this study is to determine the appropriate SiO2:Na2O ratio and understand how this SiO2:Na2O ratio can affect the corrosion rate of each metal alloys immersed in acidic medium. In order to investigate this study, weight loss test was conducted in 0.5 M hydrochloric acid (HCl) for 24 hours at room temperature.

Original languageEnglish
Title of host publicationAIP Conference Proceedings
Pages136-140
Number of pages5
Volume1571
DOIs
Publication statusPublished - 2013
Event2013 UKM Faculty of Science and Technology Post-Graduate Colloquium - Selangor, Malaysia
Duration: 3 Jul 20134 Jul 2013

Other

Other2013 UKM Faculty of Science and Technology Post-Graduate Colloquium
CountryMalaysia
CitySelangor
Period3/7/134/7/13

Fingerprint

rice
inhibitors
corrosion
silicon dioxide
silicates
ashes
metals
products
burn-in
formulations
sodium silicates
agriculture
sodium hydroxides
carbon steels
hydrochloric acid
aluminum alloys
hydroxides
furnaces
x rays
copper

Keywords

  • Corrosion inhibitor
  • METAL alloys
  • NaO
  • Silicate
  • SiO

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Investigation of SiO2 : Na2O ratio as a corrosion inhibitor for metal alloys. / Mohamad, N.; Othman, Norinsan Kamil; Jalar @ Jalil, Azman.

AIP Conference Proceedings. Vol. 1571 2013. p. 136-140.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Mohamad, N, Othman, NK & Jalar @ Jalil, A 2013, Investigation of SiO2: Na2O ratio as a corrosion inhibitor for metal alloys. in AIP Conference Proceedings. vol. 1571, pp. 136-140, 2013 UKM Faculty of Science and Technology Post-Graduate Colloquium, Selangor, Malaysia, 3/7/13. https://doi.org/10.1063/1.4858643
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