Corrosion Behaviour of Austempered Ductile Iron Produced by Forced Air Quenching Method in a Simulated Mine Water

Oladeji O. Ige, Oluyemi J. Olawale, Kunle M. Oluwasegun, Sunday Aribo, Babatunde A. Obadele, Peter A. Olubambi

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The production of austempered ductile iron (ADI) with uniform microstructure and properties is constrained by the austempering process vis-à-vis the quenching medium. This is as a result of the stringent operating parameters with costly facilities. This limitation has restricted the application of ADI, despite its inherent mechanical and chemical properties. An emerging technology channelled towardsovercoming this limitation is by austempering with forced air cooling equipment, which is accessible, available and cost-efficient. This work characterizes the behaviour of the forced air cool ADI in simulated mine water due to the strategic importance of the mining industry in the global economy. The study establishes the influence of sample section thickness (5, 15, and 20 mm) oncorrosion performance. Electrochemical experiments were performed on the forced air cooledADI at atmospheric pressure and room temperature with methods such as open circuit potential (OCP) and anodic polarisation. The post-corrosioncharacterizations were performed using field emission scanning electron microscopy (FESEM) equipped with energy dispersive spectroscopy (EDS). The research highlighted that small section thickness has a more favourable performance compared with larger section. Consideration is also accorded to the capability of the ADI in the studied environment.

Original languageEnglish
Pages (from-to)579-583
Number of pages5
JournalProcedia Manufacturing
Volume7
DOIs
Publication statusPublished - Jan 1 2017
Externally publishedYes

Fingerprint

Nodular iron
Quenching
Corrosion
Air
Water
Anodic polarization
Mineral industry
Field emission
Chemical properties
Atmospheric pressure
Energy dispersive spectroscopy
Cooling
Mechanical properties
Microstructure
Scanning electron microscopy
Networks (circuits)
Costs
Experiments
Temperature

All Science Journal Classification (ASJC) codes

  • Industrial and Manufacturing Engineering
  • Artificial Intelligence

Cite this

Ige, Oladeji O. ; Olawale, Oluyemi J. ; Oluwasegun, Kunle M. ; Aribo, Sunday ; Obadele, Babatunde A. ; Olubambi, Peter A. / Corrosion Behaviour of Austempered Ductile Iron Produced by Forced Air Quenching Method in a Simulated Mine Water. In: Procedia Manufacturing. 2017 ; Vol. 7. pp. 579-583.
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Corrosion Behaviour of Austempered Ductile Iron Produced by Forced Air Quenching Method in a Simulated Mine Water. / Ige, Oladeji O.; Olawale, Oluyemi J.; Oluwasegun, Kunle M.; Aribo, Sunday; Obadele, Babatunde A.; Olubambi, Peter A.

In: Procedia Manufacturing, Vol. 7, 01.01.2017, p. 579-583.

Research output: Contribution to journalArticle

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