Cathodic Protection

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The Basics of Cathodic Protection The Basics of Cathodic Protection The Basics of Cathodic Protection The Basics of Cathodic Protection


The purpose of cathodic protection (CP) is to reduce the potential difference between anodes and cathodes to a small value. Here's how it...

Corrosion Fatigue of Welded Joints on Marine Offshore Structures Corrosion Fatigue of Welded Joints on Marine Offshore Structures Corrosion Fatigue of Welded Joints on Marine Offshore Structures Corrosion Fatigue of Welded Joints on Marine Offshore Structures


When combined, fatigue and corrosion have an exponentially worse effect on the reliability and lifespan on marine offshore structures and...

Industry Experts Discuss Subsea Pipeline Corrosion Management Industry Experts Discuss Subsea Pipeline Corrosion Management Industry Experts Discuss Subsea Pipeline Corrosion Management Industry Experts Discuss Subsea Pipeline Corrosion Management


In this exclusive interview, three oil & gas industry corrosion experts discuss some of the key challenges in protecting subsea assets from...

Electric Transportation Systems and Stray Current Corrosion Electric Transportation Systems and Stray Current Corrosion Electric Transportation Systems and Stray Current Corrosion Electric Transportation Systems and Stray Current Corrosion


Stray current corrosion from DC transit system is a real threat to a pipeline’s integrity, but it can be detected by measuring the...

An Intro to Pipeline Corrosion and Coatings An Intro to Pipeline Corrosion and Coatings An Intro to Pipeline Corrosion and Coatings An Intro to Pipeline Corrosion and Coatings


Pipeline corrosion—and the related catastrophic failures that it can cause—cost billions of dollars to the economy each year. Here's how it...

An Overview of Cathodic Protection Potential Measurement An Overview of Cathodic Protection Potential Measurement An Overview of Cathodic Protection Potential Measurement 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...

Understanding Aluminum Corrosion Understanding Aluminum Corrosion Understanding Aluminum Corrosion Understanding Aluminum Corrosion


A look at the chemical nature of aluminum and aluminum corrosion, aluminum oxide film formation, and the uses of aluminum, aluminum oxide...

A Primer on Epoxy Zinc Rich Primers A Primer on Epoxy Zinc Rich Primers A Primer on Epoxy Zinc Rich Primers A Primer on Epoxy Zinc Rich Primers


Epoxy zinc rich primers are applied to protect metallic surfaces from corrosion. These primarily work as sacrificial cathodic protection.

Quiz: Cathodic Protection as a Corrosion Prevention Method Quiz: Cathodic Protection as a Corrosion Prevention Method Quiz: Cathodic Protection as a Corrosion Prevention Method Quiz: Cathodic Protection as a Corrosion Prevention Method


Having an understanding of cathodic protection is vital for anyone in the corrosion industry. Test your knowledge of how cathodic...

Corrosion Prevention in Aboveground and Underground Tanks Corrosion Prevention in Aboveground and Underground Tanks Corrosion Prevention in Aboveground and Underground Tanks Corrosion Prevention in Aboveground and Underground Tanks


Corrosion in aboveground and underground storage tanks (ASTs and USTs) can have devastating effects. Using corrosion resistant tank...

What We Can Learn From Mass Underground Water Pipe Corrosion What We Can Learn From Mass Underground Water Pipe Corrosion What We Can Learn From Mass Underground Water Pipe Corrosion What We Can Learn From Mass Underground Water Pipe Corrosion


A lack of effective corrosion prevention could be a main cause for the failure of the metallic pipes used for the water system. This...

Hot-dip vs Cold Galvanizing: What’s the Difference? Hot-dip vs Cold Galvanizing: What’s the Difference? Hot-dip vs Cold Galvanizing: What’s the Difference? Hot-dip vs Cold Galvanizing: What’s the Difference?


There are two main methods for galvanizing steel: hot-dip galvanizing and cold galvanizing. This article looks at these two galvanizing...

How Galvanic Corrosion Can Be Used for Good How Galvanic Corrosion Can Be Used for Good How Galvanic Corrosion Can Be Used for Good How Galvanic Corrosion Can Be Used for Good


There are instances where galvanic corrosion can be used to benefit specific applications. This article describes the situations where this...

Increasing Cathodic Corrosion Protection to Pipelines by Removing Underground Earthing Increasing Cathodic Corrosion Protection to Pipelines by Removing Underground Earthing Increasing Cathodic Corrosion Protection to Pipelines by Removing Underground Earthing Increasing Cathodic Corrosion Protection to Pipelines by Removing Underground Earthing


Remedial work was required to avoid stray current corrosion where a gas pipeline and a fire protection system water main were in close...

An Introduction to the Alexander Cell An Introduction to the Alexander Cell An Introduction to the Alexander Cell An Introduction to the Alexander Cell


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

Cathodic Protection of a Sewage Treatment Dissolved Air Flotation Tank Cathodic Protection of a Sewage Treatment Dissolved Air Flotation Tank Cathodic Protection of a Sewage Treatment Dissolved Air Flotation Tank 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,...

How Hybrid Cathodic Protection Systems Are Being Used to Protect Reinforced Concrete How Hybrid Cathodic Protection Systems Are Being Used to Protect Reinforced Concrete How Hybrid Cathodic Protection Systems Are Being Used to Protect Reinforced Concrete How Hybrid Cathodic Protection Systems Are Being Used to Protect Reinforced Concrete


A hybrid anode system that combines the elements of realkalization, cathodic protection and galvanic protection can be used as a protection...

University Building Galvanized to Face the Future University Building Galvanized to Face the Future University Building Galvanized to Face the Future University Building Galvanized to Face the Future


The University of Melbourne has renovated the Arts faculty building with a galvanized louvered façade. Galvanization protects the steel...

Cathodic Protection Design Differences for FBE-Coated Pipelines Cathodic Protection Design Differences for FBE-Coated Pipelines Cathodic Protection Design Differences for FBE-Coated Pipelines Cathodic Protection Design Differences for FBE-Coated Pipelines


Alan Kehr provides some guidance and perspective on an article published in Pipeline and Gas Journal: “Fusion-bonded Epoxy’s Effects on...