Atmospheric corrosion of metals

Sabah A. Abdul-Wahab, Charles S. Bakheit, R. A. Siddiqui, Saleh M. Al-Alawi

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

This work is dealing essentially with atmospheric corrosion to assess the degrading effects of air pollutions on various metals that are mostly used in the engineering systems. The exposure study was conducted in Oman. The common materials like aluminum, brass, copper, epoxy, galvanized, mild steel and stainless steel were used for investigation. The sites of exposure were chosen at five locations where the metals are likely to be used. Additive models using median polish were used to investigate the patterns of corrosion by metal type and location. Regression analysis was also used to develop a number of predictor models for corrosion, based on metal type, location, number of months of exposure, and number of degrading pollutants in the air. The results of the additive models showed that copper and mild steel were the most corrosive metals while stainless steel and epoxy were the least corrosive. Of the locations, Sohar came out as the site with the worst corrosion record. Carbonates were the main component of corrosion, followed by chlorides and sulphates. The site at Al-Rusail had the highest level of carbonates corrosion, while the Airport and Al-Fahl showed the highest level of chlorides and sulphates corrosion, respectively.

Original languageEnglish
JournalJournal of Corrosion Science and Engineering
Volume5
Publication statusPublished - 2003

Fingerprint

Atmospheric corrosion
Corrosion
Metals
Caustics
Carbonates
Stainless Steel
Sulfates
Carbon steel
Chlorides
Copper
Stainless steel
Industrial Oils
Brass
Aluminum
Systems engineering
Air pollution
Airports
Regression analysis
Air

ASJC Scopus subject areas

  • Metals and Alloys
  • Surfaces, Coatings and Films

Cite this

Atmospheric corrosion of metals. / Abdul-Wahab, Sabah A.; Bakheit, Charles S.; Siddiqui, R. A.; Al-Alawi, Saleh M.

In: Journal of Corrosion Science and Engineering, Vol. 5, 2003.

Research output: Contribution to journalArticle

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