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Vapor Barrier

A vapor barrier is a layer of material that is used to prevent the transfer of water or water vapor from the environment into a constructed structure. A vapor barrier prevents water vapor movement to (Read on)

Past Terms: Isostearic AcidSieve AnalysisZinc Thermal Spray

Latest Question

Applying a protective coating to metallic surfaces is the most effective method to mitigate corrosion damage. According to National Association of Corrosion Engineers (NACE)... (Read on)

Third Party Long-Term Testing: CUI & Thermal Results

See the results of an independent research and development organization that recently designed, built and tested fully insulated assemblies protected by leading thin blanket insulations for corrosion under insulation and thermal stability.
How to Control Corrosion by Improving Design

The proper design to minimize corrosion is as important as the selection of materials. In many structures, a lack of design consideration given to corrosion control is the weakest link in corrosion control.
Corrosion Under Insulation: The Challenge and Need for Insulation

With CUI, it's best to think about long-term solutions and minimizing future failures. This takes an effort at all phases of the life cycle, but it starts in the engineering phase.
The Detrimental Effects of Wet Insulation in the CUI Range

A review of a 40-year case history at two massive Gulf Coast refinery complexes in the U.S. exposes how drastically water-absorbent insulation impacts corrosion under insulation in the CUI temperature range.
An Introduction to the Galvanic Series: Galvanic Compatibility and Corrosion

When metals are incorrectly combined and exposed to water and other types of electrolytes, the effects can be very harmful. Find out more about the galvanic series and how the knowledge of metal nobility can be used to prevent corrosion.
The 6 Corrosive Components That Can Be Found in Crude Oil

Crude oil isn't corrosive, but some of the impurities commonly found in it are. Find out what those components are, and what can be done to mitigate their effects.
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 happens and the preventive measures that can be used to combat it.
21 Types of Pipe Corrosion & Failure

The corrosion of steel piping and its related components is a continuous and virtually unstoppable process. Here we'll look at some of the most common corrosion problems seen in steel piping.
The Basics of Cathodic Protection

The function of cathodic protection is to reduce the potential difference between anodes and cathodes to a neglected value. Here's how it works to prevent corrosion.
Galvanic Corrosion of Metals Connected to Carbon Fiber Reinforced Polymers

The use of carbon fiber-reinforced composites is growing thanks to their high strength and light weight. This material poses new challenges in terms of mitigating corrosion.
Understanding the Industry Shift To Wet Abrasive Blasting

Changes are forcing the abrasive blasting industry to explore new methods to reduce worker’s exposure to abrasive dust. A promising trend is a movement towards wet abrasive blasting (also known as vapor abrasive blasting).
Marine Structures Create Unique Challenges for Third-Party Inspectors

Inspectors with previous marine experience tend to have a better feel for the ebb and flow of a project—however, even experienced marine inspectors may face challenges.
Joe Payer: Preparing the Corrosion Engineers of Tomorrow

The Department of Defense conducted a corrosion cost study to quantify what they had known for years—that corrosion was a huge financial drain on the national and military infrastructure. This is why the industry is crying for well-trained recruits.
Galvanization and its Efficacy in Corrosion Prevention

Galvanization has proved to be a highly cost-effective, sustainable and widely used technique for corrosion prevention. Learn more about it here.
An Interview with Leigh McCue, the New Director of the ASNE

The new executive director of the American Society of Naval Engineers (ASNE) shares ideas on keeping the 125-year-old organization vital for engineers, scientists, and allied professionals involved in maritime and aviation for the U.S. military.
Corrosion Costs & Recommended Practices for the Water Industry

Aging water and wastewater infrastructures are difficult and expensive to manage. But how much does the corrosion problem cost the industry? And how can water utilities better manage corrosion to reduce these costs?
Coating Failure: Why a Preventive Strategy is the Best Way to Avoid it

No coating is better than a bad coating because recoating can cost much more than the initial coating application. Find out how to prevent coating failure by getting things right the first time around.
The Ugliest Coating System You’ve Never Seen

The coating, for all intents and purposes, was perfect. But if this work were to be done today, with a third-party inspector onsite, it would not be approved.
Ice Pigging: New European Pipe Cleaning Innovation

A water infrastructure corrosion expert reviews a paper by researchers at the University of Bristol on an innovative technique called ice pigging for the water supply industry.
7 Methods of Coating Thickness Measurement

Measurement of film thickness can be done with many different instruments. Understanding the equipment available for film thickness measurement is important for every coating operation.
The Corrosion Properties of Aluminum and Its Alloys

Aluminum and aluminum alloys are in widespread use in many industrial applications, with its usage second only to that of steel.
Use of Insulating Coatings for Hazard Protection

Corrosion under insulation (CUI) causes many safety hazards in industrial facilities, many of which are prevented by using thermal insulating coatings.
The Anatomy of a Coating Failure

Rarely does a coating fail because of only one contributing factor. Rather, it is usually two or more factors working in conjunction that cause a coating to fail on a particular site, when that same coating has performed as expected on other sites.
VIDEO: John Oliver on America's Crumbling Infrastructure

Infrastructure: it's our roads, bridges, dams, airports, power grids... basically anything that can be destroyed in an action film! Here's John Oliver's take on the state of America's infrastructure.
Corrosion Assessment: 8 Corrosion Tests That Help Engineers Mitigate Corrosion

Corrosion testing is one of a corrosion engineer's most important responsibilities. Here we look at the top field and laboratory tests used.
Replica Tape: A Source of New Surface Profile Information

After blast cleaning, a surface consists of random irregularities with peaks and valleys. If the roughness is insufficient, paint will not adhere. If the roughness is too great, the surface will be susceptible to corrosion.
Human Error as a Factor in Corrosion Failure

One of the least addressed causes of corrosion is human error. Here we'll take a look at how human error contributes to corrosion failure and what can be done to mitigate its effects.
How to Plan Facility Coatings Condition Assessments

Proper pre-planning and deciding what data to collect are essential to the efficacy and cost effectiveness of both baseline surveys and ongoing inspections for coatings asset management programs.
Emergency In-Situ Repair Problems & Surface-Tolerant Solutions

A new fast-cure, polymeric epoxy-based emergency repair composite provides excellent adhesion without intensive surface preparation, grit blasting, or removal of moisture, oil, or salt contaminants, and can be applied even under water.
Controlling Corrosion in Electronic Devices

The careful selection of coatings and substrate materials based on the service exposure of electrical equipment and controls can improve the reliability and cost effectiveness of the entire system. Learn how to prevent corrosion in electrical systems.
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A cloud point refers to the temperature at which a solution of a surfactant begins to agglomerate on a molecular level, generating a cloudy physical appearance. Read more

Azobenzene is an insoluble powder generated from the chemical decomposition of nitrobenzene. It is a synthetic crystalline organic compound with the chemical Read more

Aniline is a poisonous amine with the chemical formula C6H5NH2 that is produced by the chemical breakdown of nitrobenzene. It is oily in texture and primarily used Read more

An anhydrite is an evaporite group of minerals with a whitish or off-white color that is formed by the precipitation of calcium sulfate when water is removed from Read more

A hydronic system is a heating and/or cooling system that uses a fluid that is usually recirculated through pipes in a building. The fluid is either hot or cold, Read more
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