Materials Selection & Design

Pitting Test in Ammonia Flue Gas Desulfurization Slurry

Ammonia flue gas desulfurization (AFGD) has many advantages, but often it cannot work to its full capacity due to corrosion. In this study, seven widely used metal materials were placed in a custom-made device containing AFGD slurry to test for pitting corrosion.

New Metal Corrosion Sensor Designed for Printed Circuit Boards

Mitsubishi Electric has developed what it believes to be the world’s first compact metal corrosion sensor small enough to be mounted on printed circuit boards. The new sensor utilizes corrosion monitoring technology to detect the degree of corrosion of metal components caused by corrosive gases in the atmosphere.

Chemical Safety Board: Thermal Fatigue Led to Gas Plant Blast

In their final report, U.S. investigators say thermal fatigue in a heat exchanger likely caused a major hydrocarbons release in June 2016. This resulted in a series of fires and explosions at the Enterprise Products gas plant in Pascagoula, Mississippi.

Novel Phosphonate Proves Useful in Geothermal Environments

The researchers conclude that the novel phosphonate chemistry is useful in ultrahigh geothermal applications. Its high tolerance to calcium, biodegradability, thermal stability, and good performance against calcium carbonate scaling prove valuable in many environments.

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.

U.S. Navy Develops ‘Topside Drone’ System for Vessel Inspections

The U.S. Navy has developed a new corrosion/anomaly detection sensor payload and processing scheme, outfitted to a commercial unmanned aerial vehicle, to help inspect for material defects, corrosion, warping, and more.

Internal Corrosion Protection Strategies for Aboveground Storage Tanks

In a CORROSION 2019 conference paper, the authors analyzed two case studies of corrosion-prone tanks using dissimilar metals and the challenges that arose in providing them with adequate cathodic protection (CP).

U.S. Navy Adopts Composite-Patch Repair Method for Aluminum

Engineers at the U.S. Naval Surface Warfare Center are now utilizing a new composite-patch repair method for incidents involving stress corrosion cracking on aluminum substrates.

Corrosion-Resistant Alloys in Downhole Applications

The authors discuss different material selection procedures, case histories of corrosion, and cracking of corrosion-resistant alloys (CRAs) and specific selection criteria of CRAs for application in downhole conditions.

New Metal Alloy Materials Slow Corrosion in Process Vessels

In this case study at a U.S. oil and gas facility, a new high-velocity thermal spray cladding solution helped stop corrosion where an older nickel-copper thermal spray coating and organic patch repairs had worn away.

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.

Corrosion Management for Pipeline Integrity: Part 2

In the final part of this series, three experts in oil and gas pipeline corrosion management explain the value of corrosion management systems, how they work, and what programs and platforms are available to help organizations improve their performance.

New Accident-Tolerant Fuel Cladding for Nuclear Environments

A multi-year research project involving Oak Ridge National Laboratory has led to the production of an accident-tolerant fuel cladding utilizing iron-chromium-aluminum alloys.Since the disaster at Japan’s Fukushima Daiichi Nuclear Power Plant in March 2011, scientists and engineers have searched for solutions to help prevent future accidents of that magnitude.

U.S. Researchers Probe Localized Corrosion on Steel Pipes

According to U.S. researchers, a localized form of nanoscale corrosion appears responsible for unpredictably decreasing the working life of steel pipes used frequently in the oil and gas industry.

Self-Healing Polymer Cement Offers Concrete Alternative

Researchers at the U.S. Pacific Northwest National Laboratory say their new self-healing cement technology could eliminate the need to remove, repair, and replace cracked cement wells.