Corrosion Failure


Filiform corrosion on painted aluminum. Filiform corrosion on painted aluminum. Filiform corrosion on painted aluminum. Filiform corrosion on painted aluminum.


Filiform corrosion is a form of corrosion that occurs under thin coatings, especially on aluminum and magnesium substrates. It can be...

Boiler room equipment for heating system. Boiler room equipment for heating system. Boiler room equipment for heating system. Boiler room equipment for heating system.


How to Avoid Chelant-Based Corrosion in a Boiler System’s Water Pipes

Rusty steel i-beams corrosion Rusty steel i-beams corrosion Rusty steel i-beams corrosion Rusty steel i-beams corrosion


Discover the mechanical properties of metals used for construction materials and how corrosion influences the metal’s internal structure.

Electrical lines in a utility right-of-way. Electrical lines in a utility right-of-way. Electrical lines in a utility right-of-way. Electrical lines in a utility right-of-way.


AC induced corrosion of buried pipelines can occur due to placing electrical utilities in a common right of way. Fortunately there are ways...

Portable Raman spectrometer. Portable Raman spectrometer. Portable Raman spectrometer. Portable Raman spectrometer.


Many techniques such as scanning electron microscopy (SEM) and x-ray diffraction (XRD) can be employed to provide vital information about...

Paper mill with stainless steel process vessels. Paper mill with stainless steel process vessels. Paper mill with stainless steel process vessels. Paper mill with stainless steel process vessels.


Austenitic stainless steels are susceptible to caustic cracking. We discuss environments where this is common, how to identify it, and how...

Oil refinery with stainless steel process equipment and pipelines. Oil refinery with stainless steel process equipment and pipelines. Oil refinery with stainless steel process equipment and pipelines. Oil refinery with stainless steel process equipment and pipelines.


Polythionic acid stress corrosion cracking of austenitic stainless steel can be prevented by an appropriate soda ash neutralization...

A worker welding stainless steel beams. A worker welding stainless steel beams. A worker welding stainless steel beams. A worker welding stainless steel beams.


Chloride stress corrosion cracking (Cl-SCC) is the most common type of cracking of austenitic stainless steel. It has been the observed...

How to Effectively Recognize, Prevent and Treat Pitting Corrosion How to Effectively Recognize, Prevent and Treat Pitting Corrosion How to Effectively Recognize, Prevent and Treat Pitting Corrosion How to Effectively Recognize, Prevent and Treat Pitting Corrosion


Pitting corrosion can have serious implications because the cavity it bores below the surface can be both wide and deep, thus seriously...

Chloride, Caustic and Polythionic Acid Stress Corrosion Cracking Chloride, Caustic and Polythionic Acid Stress Corrosion Cracking Chloride, Caustic and Polythionic Acid Stress Corrosion Cracking Chloride, Caustic and Polythionic Acid Stress Corrosion Cracking


An overview of chloride, caustic and polythionic acid stress corrosion cracking is presented in…

Steel corrosion on a rusty pipe Steel corrosion on a rusty pipe Steel corrosion on a rusty pipe Steel corrosion on a rusty pipe


Steel is popular, durable and versatile. Here are 7 things to understand about the corrosion resistance of steel.

Understanding the Relationship Between Stress and Corrosion Understanding the Relationship Between Stress and Corrosion Understanding the Relationship Between Stress and Corrosion Understanding the Relationship Between Stress and Corrosion


Stresses (residual stress or applied stress) acting on a material can play a major role in a unique type of corrosion known as stress...

Aluminum Corrosion: 5 Incredible Facts You Must Know Aluminum Corrosion: 5 Incredible Facts You Must Know Aluminum Corrosion: 5 Incredible Facts You Must Know Aluminum Corrosion: 5 Incredible Facts You Must Know


Strong, reliable, ductile, lightweight and naturally corrosion resistant – aluminum is an ideal construction material. However, it...

The Effects of Stress Concentration on Crack Propagation The Effects of Stress Concentration on Crack Propagation The Effects of Stress Concentration on Crack Propagation The Effects of Stress Concentration on Crack Propagation


An understanding of how cracks form and propagate enables us to design safer and more reliable structures at a lower cost.

An Overview of Welded Joint Corrosion: Causes and Prevention Practices An Overview of Welded Joint Corrosion: Causes and Prevention Practices An Overview of Welded Joint Corrosion: Causes and Prevention Practices An Overview of Welded Joint Corrosion: Causes and Prevention Practices


Corrosion in welded joints is caused by a combination of manufacturing and metallurgical factors, including deficient weldment design, poor...

The Relationship Between Corrosion Fatigue and Stress Corrosion Cracking The Relationship Between Corrosion Fatigue and Stress Corrosion Cracking The Relationship Between Corrosion Fatigue and Stress Corrosion Cracking The Relationship Between Corrosion Fatigue and Stress Corrosion Cracking


While corrosion fatigue and stress corrosion cracking can occur under different circumstances, they are part of the same continuum....

Stopping Rust in Bolted Systems Stopping Rust in Bolted Systems Stopping Rust in Bolted Systems Stopping Rust in Bolted Systems


In harsh salt or chemical environments, bolting systems are often the first to corrode. What mechanisms cause this rapid deterioration and...

View of river water in Flint, Michigan View of river water in Flint, Michigan View of river water in Flint, Michigan View of river water in Flint, Michigan


Brown discolored water began appearing in a city’s drinking water after a change to the water supply. Further investigations revealed the...

The 3 Stages of Corrosion Failure Analysis The 3 Stages of Corrosion Failure Analysis The 3 Stages of Corrosion Failure Analysis The 3 Stages of Corrosion Failure Analysis


Failure analysis allows corrosion engineers to determine why a component or piece of equipment failed and how to prevent the same type of...