Transpassivation is a phenomenon in which a passivated metal starts rapid dissolution (increase in corrosion rate) if the metal’s electrode potential becomes too positive. Transpassive dissolution of metals is closely related to passive film breakdown and localized corrosion. The level of… View Full Term
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Although industry experts don’t expect any revolutionary advances in corrosion mitigation technology in 2021, developments and improvements to existing...
By: Annemarie Mannion
An electromagnetic acoustic transducer (EMAT) generates ultrasound via an electromechanical coupling, and is used to detect pipeline corrosion, cracks and...
By: Dileep Koodalil | Ultrasonic Non-Destructive Testing
Conventional pressure testing poses many risks to the pipeline, the environment and nearby workers. Ultrasonic inline inspection (ILI), on the other hand, is nondestructive, allowing pipe integrity to be assessed safely and economically.
By: Krystal Nanan | Civil Engineer
The corrosion industry is beginning to emphasize the use of cathodic protection (CP) coupons as an assessment technique to determine the CP level of a structure.
By: Mohamed Adel Mohamadein | Head of the Corrosion, Arab Petroleum Pipelines
A look at digital radiography for corrosion inspection of pipelines, including how it works, where it's used and the advantages compared to...
IoT uses electronic sensors connected directly to assets to gather and report critical information to remote locations. This permits continuous, real-time and accurate monitoring of pipelines, vessels and tank farms.
Use remote monitoring systems to receive actionable information without dispatching technicians to dangerous or inaccessible sites.
By: Kasay Mwiks
Individual corrosion monitoring techniques can be misleading and indicate no corrosion or only one type of corrosion. Here, we take a look at why a multi-technique approach is the most effective.
The Alexander Cell works on exactly the same principal as a long-term weight loss, corrosion coupon, but has the advantage of giving an immediate result.
By: Roger Alexander
Although simple and inexpensive, corrosion coupons often produce misleading results.
By: Alan Kehr | Managing Consultant, Alan Kehr Anti-Corrosion, LLC
In this case study, oil and gas offshore facility operators confront the high cost and safety issues associated with retrieving corrosion monitoring and chemical injection equipment from their pipelines.
By: Kevin Kirst | Industry Manager, Sentry Equipment Corp
Metal corrosion is unavoidable and has the potential to cause catastrophic assets failure, which can lead to expensive downtime, operator injuries, and cause environmental damage. Fortunately, corrosion within a pipeline,...
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