Corrosion Behaviour of Al (6063) Alloy (As-Cast and Age Hardened) in H2SO4 Solution

Ovat, Friday Aje; David, Fernando; Anyandi, A. J.

doi:10.5539/jmsr.v1n4p35

Cited by 5 publications

(2 citation statements)

References 7 publications

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“…The weight‐loss method (Ovat et al , 2012) was used to measure the corrosion rate of coupons in three samples, specifically: water saturated with oxygen, water without any treatment and water saturated with nitrogen to remove oxygen. The temperature was ascertained to be 50°C and 80°C.…”

Section: Discussionmentioning

confidence: 99%

Corrosion of water injection system in Shengli Oil Field

Liu

et al. 2013

Anti-Corrosion Meth & Material

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Purpose -The purpose of this paper is to assess the serious corrosion problems of the water injection system on the offshore oil field and to study the type, and effect factors and mechanisms of corrosion on the offshore oil field in order to develop an effective corrosion inhibitor for the sea water injection system. Design/methodology/approach -The corrosion of metal in a water injection system was studied by weight-loss and electrochemical methods.The effect factors and mechanisms of corrosion on the offshore oil field were proposed from the trend of corrosion. Findings -FeCO 3 is the main corrosion product in the water injection system of the Chengdao Offshore Oil Field. The corrosion rate of coupons in sea water injection systems reaches a maximum peak at a temperature of 50-608C. The corrosion rate of coupons exposed in all three water samples increased with an increase in the dissolved oxygen concentration. When the mixed ratio of sea water and produced water and well water is 1:3:1 or 1:2:2, the corrosion rate of carbon steel is lower than is the case in pure water. The electrochemical mechanism of corrosion indicates that corrosion in the well water, produced water, and sea water samples were all controlled by the oxygen absorption process, which controlled the cathodic reaction. The corrosion rate of coupons followed the ranking order: well water; produced water; sea water. Originality/value -This paper provides the main corrosion product in the water injection system of the Chengdao Offshore Oil Field, and provides new information on the effect factors and mechanisms of corrosion on the offshore oil field.

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Section: Discussionmentioning

confidence: 99%

Corrosion of water injection system in Shengli Oil Field

Liu

et al. 2013

Anti-Corrosion Meth & Material

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“…Aluminum (Al) is one of the most abundant metals on earth. As indicated by its position in the electrochemical series, aluminum is a thermodynamically reactive metal; among structural metals, only beryllium and magnesium are more reactive [1].…”

Section: Introduction mentioning

confidence: 99%

Manufacturing Against Corrosion: Increasing Materials Performance by the Combination of Cold Work and Heat Treatment for 6063 Aluminium Alloy

Oliveira¹,

Biehl²,

Medeiros³

et al. 2019

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Nowadays, the search for more reliable and less fuel consumable structures for off shore applications leads to the development of modern materials selection and manufacturing methodologies. In this sense, Aluminum alloys has increasing for structural application due to lightweight, weldability and corrosion performance. This research aims to evaluate the influence of manufacturing process of 6063 aluminum alloy on corrosion behavior in seawater medium. After the combination of heat treatment and cold work variation, the materials were analyzed by microstructural and mechanical tests. The sample also were submitted to Potentiodynamic polarization analysis. The results prove the applicability of cold work process in order to elevate corrosion performance of 6063 aluminum alloys. This can be a low cost and time consumable, alternative to increase materials performance.

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