Corrosion in aviation industry: types, impact and mitigation measures
Publication details: Hyderabad IUP Publications 2024Edition: Vol.17(3), AugDescription: 17-33pSubject(s): Online resources: In: IUP journal of mechanical engineeringSummary: Corrosion is a destructive attack on a material in the environment that occurs in the aviation industry, as in various other industries. Corrosion may be aqueous or dry. For aqueous corrosion, an electrolyte, a thin film of moisture, contaminated or otherwise, must wet the surface of the substrate. Then anodic and cathodic reactions occur. These may be separated by a few atomic units or larger distances depending upon the form of corrosion or the composition of the substrate and environment. In dry corrosion, corrosion manifests as either general or localized. Its high temperature counterpart involves reactions at high temperature regimes with fluids, which may be ordinary air contaminated with pollutants such as CO2 , SO2 , etc. In all cases, the substrates disintegrate, flow and collapse. Both processes involve the movement of electrons and ions. This paper focuses on corrosion and its mitigation as witnessed in the aviation industry, which includes aircraft, airport buildings, runways/storage facilities, pipes and others employed for the comfort of the flying public. For corrosion in aircraft (aqueous and high temperature), diagnostic tools could be deployed in the form of on-board sensors, for diagnosing where and when corrosion-related maintenance is required. Accurate examination of various corrosion incidents and procedures is critical for aviation safety, particularly for the aircraft, which will go a long way in minimizing aircraft maintenance cost which is huge in the Nigerian context.| Item type | Current library | Status | Barcode | |
|---|---|---|---|---|
|  Articles Abstract Database | School of Engineering & Technology Archieval Section | Not for loan | 2025-1064 | 
Corrosion is a destructive attack on a material in the environment that occurs in the aviation industry, as in various other industries. Corrosion may be aqueous or dry. For aqueous corrosion, an electrolyte, a thin film of moisture, contaminated or otherwise, must wet the surface of the substrate. Then anodic and cathodic reactions occur. These may be separated by a few atomic units or larger distances depending upon the form of corrosion or the composition of the substrate and environment. In dry corrosion, corrosion manifests as either general or localized. Its high temperature counterpart involves reactions at high temperature regimes with fluids, which may be ordinary air contaminated with pollutants such as CO2 , SO2 , etc. In all cases, the substrates disintegrate, flow and collapse. Both processes involve the movement of electrons and ions. This paper focuses on corrosion and its mitigation as witnessed in the aviation industry, which includes aircraft, airport buildings, runways/storage facilities, pipes and others employed for the comfort of the flying public. For corrosion in aircraft (aqueous and high temperature), diagnostic tools could be deployed in the form of on-board sensors, for diagnosing where and when corrosion-related maintenance is required. Accurate examination of various corrosion incidents and procedures is critical for aviation safety, particularly for the aircraft, which will go a long way in minimizing aircraft maintenance cost which is huge in the Nigerian context.
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