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Materials Selection & Design

Access-Fitting Position in Corrosion Management Programs

In upstream industries, corrosion monitoring is an indispensable feature in corrosion management. Corrosion coupons and corrosion probes can make a valuable contribution toward the understanding and control of a corrosion problem.

Modeling Corrosion Resistance of Reinforced Concrete Structures

The total present cost and lifecycle cost show that galvanized steel rebar provides the most cost-effective protection for reinforced bridge decks with a 100-year service life.

Battling Internal Corrosion in Oil and Gas Pipelines

Even when corrosion inhibitors are injected into flowlines, oil and gas companies are still seeing an increase in corrosion-related leaks. Reasons include low fluid velocity, greater water cut, and sulfite-reducing bacteria in production streams.

An Environmentally Friendly Polyester Coil Coating Primer

A primer with ideal corrosion resistance and mechanical properties was developed by using waterborne saturated polyester, waterborne crosslinking agents, and Cr-Pb-free pigments and fillers with low-VOC content.

New Self-Powered Sensor Could Monitor Concrete Corrosion

Researchers and technology specialists in Denmark are working to develop a self-powered corrosion sensor to install inside steel-reinforced concrete structures, such as bridges.

General Motors Boosts Corrosion Prevention at New Assembly Plant

The $1.4-billion plant expansion in Arlington, Texas, USA, includes new robotics procedures and superior coating technologies, which are designed to enhance the corrosion resistance of automobiles.

Corrosion Monitoring and Inhibitors for Production Tubing in Gas Wells

In oil and gas installations, the production tubing is critical in producing fluids from the reservoir. Corrosion of production tubing not only hampers production from the well, but replacement costs are significant, requiring special work-over jobs. Monitoring production tubing to identify corrosion problems and using inhibitors to extend service life is discussed.

A Closer Look at Microbiologically Influenced Corrosion

Microbiologically influenced corrosion (MIC) refers to corrosion caused by the presence and activities of microorganisms—microalgae, bacteria, and fungi. While microorganisms do not produce unique types of corrosion, they can accelerate corrosion reactions or shift corrosion mechanisms. Microbial action has been identified as a contributor to rapid corrosion of metals and alloys exposed to soils; seawater, distilled water, and freshwater; crude oil, hydrocarbon fuels, and process chemicals; and sewage. Many industries and infrastructure are affected by MIC, including oil production, power generation, transportation, and water and waste water.

Non-Phosphorus Cooling Tower Treatment Provides Advanced Corrosion Protection

In anticipation of the tightening restrictions on phosphorus and many of the metal-bearing compounds currently used in industrial cooling treatment, a “green” corrosion and scale inhibition technology was developed that contains no phosphorus while providing corrosion and scale control performance.

Soil-Side Corrosion Causes Premature Failure of Oil Storage Tank Bottom Plates

Without an effective cathodic protection system and no other means of corrosion control, the tank floor was exposed to a severe form of bacterial and underdeposit corrosion.

Retrofitting Wind Turbine Monopiles with Cathodic Protection

A strategy to provide wind turbine monopiles with a corrosion prevention system included resealing the J-tubes to prevent seawater flushing and installing a galvanic cathodic protection system inside the submerged section of the monopile.

Historic Corrosion Tools Tell the Story of Early Corrosion Control

A collection of antique instruments illustrates the rich history of the East Bay Municipal Utility District’s corrosion department.

Iridium—The Ultimate in Corrosion Resistance

Iridium is a hard, brittle member of the so-called platinum group of metals in the periodic table. As an alloying element, it increases the corrosion resistance of titanium and palladium. We know that corrosion is a reaction between a material and its environment, so why not have a look at the most corrosion resistant metal in the periodic table.

Robotics System Plugs Decommissioned Pipelines with Rigid Urethane Foam

A robotic spray-applied system utilizing rigid urethane foam could become an efficient solution to fill decommissioned energy pipelines, which would otherwise require cathodic protection (CP) or the application of a more burdensome filler, such as grout, to prevent soil corrosion.

Testing, Inspection, and Rehabilitation of Offshore Cast Iron Pipes

The City of San Francisco needed to determine the condition of offshore pipelines and their support structures and whether they were fit to continue operating, needed repairs or replacements, or required coating or lining repair.