Inspection / Monitoring
An Overview of Cathodic Protection Potential Measurement
Learn about cathodic protection potential measurement, a method used to determine the adequacy of a cathodic protection system by comparing...
Gas Pipelines: Internal Corrosion Protection and Fire Prevention
Electrochemical reactions on the internal surfaces of gas pipelines can result in corrosion and, ultimately, gas leaks, fires and...
Guided Wave Ultrasonic Testing for Non-piggable Pipelines
Guided wave ultrasonic testing (GWUT) is a viable alternative for pipelines considered to be non-piggable because they are located in...
Coating Holidays & Pinholes: Chinks in the Armor
Defects in a coating film can ultimately leave the metal substrate vulnerable to corrosion, thus negating the purpose of the protective...
Tools & Tips: Holiday Detection on Coated Steel & Concrete Substrates
A coating inspector offers tips on using low voltage and high voltage testers to find coating pinholes (holidays) on painted metallic...
Corrosion Rate Conversion: Simple Ways to Convert Data Between Common Corrosion Units
Corrosion rate conversion is important when measuring the corrosion rate (the velocity at which metal is lost) of equipment or a metallic...
Corrosion Industry Experts Share What Innovations They See on the Horizon in 2019
Find out what new innovations you should look out for this year as Corrosionpedia went to NACE Corrosion 2019 (the world’s largest...
The 4 Best Nondestructive Inspection Methods for Corrosion Under Insulation
The advantages and limitations of four of the best nondestructive inspection methods for corrosion under insulation (CUI) in pipelines are...
7 Best Methods for Detecting Leaks in Pressure Vessels
Pressure vessels may become unusable if leaks are present and the internal pressure decays. It is critical that pressure vessels remain...
The Impact of the Pipeline Safety Act of 2011 on the Industry
Even though pipelines are one of the safest and most reliable forms of energy transportation, there is a long history of pipeline failures...
CUI Double Whammy: Selection of Coating Systems for CUI Service
Monica Chauviere, an expert in the field of corrosion under insulation (CUI), reviews a white paper on the 'Selection of Coating Systems...
Field Results: Improving Water System Efficiency & Corrosion Resistance
A case study on a protective coating solution for a hydraulic pump at a water elevation plant in Portugal. Eight months after coating...
Increasing Coating Performance through Application Process Control
This article reviews the problems and best-practice solutions to achieving good marine coating specifications, while ensuring the...
Ambiguities in Determining if 'Specified DFT' has been Achieved
The authors expose the roles that standards, and paint company guidelines and recommendations play in the confusion over how coating...
How Closed Circuit Television (CCTV) is Changing Sewer and Pipeline Asset Management
New closed circuit television (CCTV) cameras are used by water authorities and underground pipeline operators to inspect pipes, identify...
The Use of Laser Scanning when Conducting Fitness-for-Service Corrosion Assessments
Laser scanning (profilometry) is a highly effective and accurate inspection method for measuring changes in geometry of pressurized vessels...
Use of Non-intrusive Inspection in Onshore Gas Facilities
Non-intrusive inspections of pressure and process vessels are used to determine the internal condition of the equipment without having to...
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)...
An Introduction to the Alexander Cell
Cathodic protection monitoring measurements are concerned with the equilibrium of electrical potentials. The Alexander Cell establishes...
