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5 Ways to Avoid Galvanic Corrosion


Preventing galvanic corrosion involves applying countermeasures early in the design phase. Understanding the mechanisms involved in this electrochemical reaction is key...

The Treatment of Rusted Surfaces When Proper Surface Preparation Is Not an Option


Paints must be applied to surfaces that are entirely free from rust and other contamination. This may not be possible in some situations, so treatments have been...

Accelerated Corrosion Testing with Calcium Silicate and Perlite Insulations


Discusses tests using industry-accepted ASTM protocols and accelerated tests under simulated “real-world” environmental and installation conditions. Results from three...

Defining Service Requirements & Environmental Factors for Coating Specification


An expert coatings engineer describes the international standards and procedures necessary to define environmental factors and durability requirements for a good coating...

Why Non-intrusive Inspection (NII) is Such an Effective Process for Corrosion Management


Non-intrusive inspections (NII) are increasingly being considered as an alternative to the traditional internal visual inspection (IVI) approach due to its benefit of...

An Introduction to Stainless Steels


The broad array of stainless steels available provides a vast portfolio of capabilities. However, each alloy has distinct advantages and disadvantages. Find out more...

An Introduction to the Alexander Cell


Cathodic protection monitoring measurements are concerned with the equilibrium of electrical potentials. The Alexander Cell establishes that equilibrium by detecting the...

Lessons Learned from 50 Years of Coatings Testing at SA Water


This article provides key findings and lessons learned from test results generated across eight environmental test sites with the aim of maximizing the life of water...

Pipes coated in blue paint


For a severely corrosive environment, the duplex coating system ensures an extended productive life for iron and steel assets, along with an extended maintenance cycle....

Cathodic Protection of a Sewage Treatment Dissolved Air Flotation Tank


A dissolved air flotation tank with extensive corrosion required recoating of the entire tank and an upgrade of several components, including a galvanic cathodic...

Protecting Pipelines from Corrosion Under Insulation


Corrosion under insulation (CUI) prevention with thermal sprayed aluminum (TSA) provides long-term and reliable prevention that reduces inspection and maintenance of...

Top 10 Corrosion Threats


There are many different corrosion problems that can significantly impact a facility. Some problems are very specific to properties of older age; others to certain types...

Using 3D Laser Analysis for Nondestructive Testing and Evaluation of Pipeline Corrosion


NDT inspectors are able to perform inspection services in difficult to access areas, including confined spaces, elevated areas, and on and offshore platforms.

Case Study: Remediation of 1960s-Era Concrete Silos


A case study in the structural strengthening and concrete repair practices for the ongoing operational efficiency and durability of concrete grain silos.

Nondestructive CUI Detection Techniques for Process Pipelines


Advancements in the corrosion field allow us to detect and control corrosion under insulation (CUI) in pipeline systems through nondestructive evaluation methods.

Experts


Does aluminum rust?


We often use the term "rust" to mean corrosion, but these two terms do not mean the same thing.Distinguishing between Rust and CorrosionRust is a coating that...

Will using wet abrasive blasting instead of dry eliminate dust?


Firstly, before we answer this question it is important to clear up a common misconception. There is no such thing as a 100% dustless surface preparation method. (For...

What do I need to consider when it comes to applying high solids coatings?


High solids coatings can offer numerous advantages when compared to solvent-based coatings. Some of these advantages include better durability, faster drying times and...

How can you avoid flash rust during wet blasting?


Flash rust is defined as the corrosion that occurs on the surface of a metal shortly after any wet method of surface preparation. This type of rusting typically occurs...

How can I determine what blast pressure is best for my application?


The blast pressure directly determines the velocity of the blast media through the blasting nozzle, and therefore the impact force on the substrate.While there are a...

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