Airborne chlorides are the suspended salt and gaseous content present in the atmosphere. It is measured through air concentration using the unit µg/m3. Because salt is corrosive, airborne chloride levels can affect corrosion significantly. Identifying its levels can greatly help in the… View Full Term
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Mitigating Corrosion Under Insulation and Supporting the Longevity of Industrial Pipe Insulating Systems
Planning for new builds is important, but future proofing existing pipelines must not be neglected. Here's why:
Viscosity is an essential physical property. But it's important to understand the different types of viscosity and how to measure them. Learn more here:
Preventing galvanic corrosion involves applying countermeasures early in the design phase. Understanding the mechanisms involved in this electrochemical reacti
There are two main methods for galvanizing steel: hot-dip galvanizing and cold galvanizing. This article looks at these two galvanizing methods and discusses h
Knowing the hardness of materials is extremely useful as it assists in the selection of appropriate materials for specific applications. Prior knowledge of the
The chemical reactions responsible for the corrosion of pipes in seawater environments are predominantly electrochemical in nature, so salinity...
Steel is popular, durable and versatile. Here are 7 things to understand about the corrosion resistance of steel.
Stick welding, also known as shielded metal arc welding, manual metal arc welding or flux shielded arc welding, is an electric arc welding process.
The 5 most common types of metal coatings that can effectively prolong the service life of many metal assets by preventing 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 corrosion cracking (SCC).
Strong, reliable, ductile, lightweight and naturally corrosion resistant – aluminum is an ideal construction material. However, it deteriorates rapidly under certain conditions.
Fracture is simply the separation of a material into several pieces due to an applied stress. The type of fracture (ductile or brittle) that a material will undergo depends mainly on its ability to deform before it cracks.
Conventional pressure testing poses many risks to the pipeline, the environment and nearby workers. Ultrasonic inline inspection (ILI), on the other hand, is nondestructive, allowing pipe integrity to be assessed safely and economically.
Quality assurance specialists are usually employed or subcontracted by an asset owner. In the paint and coatings industry, they verify that the work performed by the quality control team meets the documented minimum job specifications.
The purpose of cathodic protection (CP) is to reduce the potential difference between anodes and cathodes to a small value. Here's how it works to prevent corrosion.
Metallizing is a general term used to describe the process of applying a metallic coating on the surface of an object. It involves several processes that cause the coating metal to form a mechanical bond with the substrate.
Quality Control: Protect Your Pipelines With Active Corrosion Protection, Passive Corrosion Protection, Sacrificial Anodes, and Corrosion Inhibitors to...
Stress concentration reduction in machine parts usually involves providing a smooth path for stress to flow through the component. This can be achieved by several methods, including reducing sharp corners and providing relief notches.
A look at digital radiography for corrosion inspection of pipelines, including how it works, where it's used and the advantages compared to...
Calculating and measuring tensile stresses are vital in predicting the behavior of various types of materials. Designers and engineers frequently use tensile parameters to select materials that meet specific the strength and performance parameters.
Benefits of ice pigging include reduced water use, shorter disruptions, less downtime, lower probability of pipe damage, and minimal environmental impact compared to conventional pigs and other pipeline cleaning methods.
Understanding the 3 types of tensile strengths help determine how components will perform when...
Ultrasonic technology uses sound waves to detect cracks and other pipeline defects. The early identification of these cracks is essential to preventing leaks, which can lead to product loss and in the oil and gas industry, and potential explosions.
The Dangers of Pipeline Flange Corrosion and What to Do About It on...
In this quiz, we will test your knowledge of underwater inspections...
Many companies in the energy sector are making significant investments in IoT for corrosion monitoring. Learn more about it on Corrosionpedia.
The relationship between corrosion fatigue and stress corrosion cracking (SCC). The main connection between corrosion and cracking is...
New materials science research can ultimately lead to the development of better corrosion analyses, protection methods, and corrosion-resistant alloys and self-healing metal oxide coatings.
The top 5 corrosion threats caused by neglect, including improper construction methods, lack of maintenance and...
In this quiz, we will test your knowledge of anti-graffiti coatings, graffiti cleaning methods and corrosion prevention mechanisms.
Beginners Guide to Becoming an Offshore Coating Inspector on...
How Liquid-Infused Porous Surface Coating on Steel Can Resist Biofouling...
4 Types of Concrete Floor Coatings (And What You Should Know About Each). Key types of floor coatings and applications, best uses, drawbacks, when they should be used, advantages and disadvantages of each type.
The minimal use or lack of solvents makes waterborne coatings a viable way to meet or exceed stringent environmental and personal health and safety standards.
Ferrous metals contain iron while non-ferrous metals do not. This minor difference, however, gives each type of metal distinct characteristics (magnetism, oxidation, tensile strength) that lend them to different applications.
Having an understanding of corrosion under insulation (CUI) is vital for anyone in the corrosion industry. Test your knowledge of CUI with this quiz!
In 1974, a chemical plant in Flixborough, England exploded, resulting in multiple deaths and millions of dollars in damages. This disaster could have been prevented, if more qualified persons, with corrosion failure experience, had been present.
Graphene’s multifunctional properties, including increased durability, chemical resistance and corrosion resistance make it an ideal additive for coatings in aggressive and demanding industrial applications.
Quiz: Cathodic Protection as a Corrosion Prevention Method on...
Corrosion prevention in aboveground and underground storage tanks can have devastating...
Preventing Corrosion with Thermal Insulating Coatings on...
Volatile corrosion inhibitors (VCIs) are used to provide corrosion protection to metal components in enclosed areas during long-term storage or shipping. They work by emitting gaseous corrosion-inhibiting chemicals.
Students interested in pursuing a career in this field must possess a natural aptitude for science and mathematics. Additionally, qualities such as analytical skills, problem-solving skills and interpersonal skills are necessary for success.
Pitting is widely known as one of the most dangerous types of corrosion. In contrast to the more common uniform corrosion, pitting is highly...
The Top 4 Tips for Entry-level Corrosion Engineers are…
Corrosion resistance in reinforced concrete can be achieved by several methods including…
Tuberculation is a common problem associated with aging metal iron pipes. In an attempt to improve operational efficiency and overall water quality standards, municipalities are using unidirectional flushing (UDF) to clean their distribution systems.
Increased Rates of Copper Corrosion in the Zone of Aeration ExplainedKeywords:Rate of CorrosionZone of AerationCopper corrosionSoil...
Bituminous coatings are effective at waterproofing and protecting substrates from corrosion. Here's everything you need to know to start leveraging them:
3 Truths About Titanium Dioxide Corrosion Prevention on...
New insulating coatings are gaining popularity due to their ability to reduce product vapor loss and volatile organic compounds, while eliminating CUI.
There are instances where galvanic corrosion can be used to benefit specific applications. This article describes the situations where this corrosive process is advantageous.
A Look at Self-Healing Metal Oxides as a Corrosion Prevention Method. Efficient at protecting metal surfaces due to their ability to flow and elongate.
Advanced oil and gas extraction techniques are used to help increase the efficiency of extraction and transportation. These techniques have placed extra burdens on existing wells, pipelines and their associated components.
5 Things to Know and Understand About Titanium CorrosionIntroductionBrief introduction to titanium as a metallic elementBrief introduction to titanium as a construction materialIndustrial uses of titaniumThe 5 Things to Know...
All corrosion is not equal. The type of corrosion is dependent mainly on the surrounding environment and the composition of the exposed metal. A understanding of the mechanisms behind the kind of corrosion under consideration is the key to prevention.
The hydrogen sulfide and carbon dioxide gases responsible for pitting are most commonly encountered in the oil and gas sector. For this reason it is essential that the principles of oil and gas corrosion be understood to take effective countermeasures.
Welding is the process of joining two or more materials (mostly metals) using intense heat. Improper welding techniques can result in defects that...
Top 5 Applications for Ceramic Coatings. Paint and coating applications have evolved by leaps and bounds over...
What’s the Inside Scoop on Crevice Corrosion?IntroductionA brief introduction to the formation of corrosion in crevices.Provide real situations where this can occur.What Is Crevice Corrosion?An introduction to crevice...
The stress concentration factor (Kt) gives a clear indication of the amount of overstress at a specified location, which is used by engineers to determine the maximum expected stresses and make informed decisions.
How Quenching Improves the Performance of Metals. A look at the history of quenching as a means to improve metal performance.
If Copper is a Noble Metal then Why Are My Pipes Corroding?
The five key factors present in corrosive soils are aeration, moisture content, dissolved salt content, soil acidity (pH) and temperature.
Contact between dissimilar metals can be detrimental and result in bimetallic corrosion (also known as galvanic corrosion).
There are a number of measures that can be taken to mitigate the effects of fretting corrosion, which fall into two approaches: fretting movement prevention and corrosion prevention.
How metallic coatings protect metals such as steel from corrosion and a brief explanation of the chemistry involved in the corrosion process.
Flash rust is defined as the corrosion that occurs on the surface of a metal shortly after any wet method of surface preparation. This type of rusting typicall
Xylan is an industrial dry film lubricant consisting primarily of one or more fluoropolymers including polytetrafluoroethylene (PTFE), perfluoroalkoxy alkane (
Soluble salts, particularly sulfates and chlorides, at the paint/hull interface can have detrimental effects on the integrity coating systems.
In the wake of the recent COVID-19 coronavirus global pandemic, many companies have been forced to close their doors as governments around the world seek to "flatten the curve." By encouraging community isolation and social...
Ultrasonic is a term used to describe the range of sound waves that possess frequencies higher than that of audible human hearing. Ultrasonic testing (UT), therefore, involves using these sound waves to inspect the...
Modern industrial processes continue to place heavy demands on tools, equipment and structures. As a result, the protective coatings used to shield these assets must be able to maintain their integrity, particularly in...
There is no shortage of options when it comes to concrete floor coatings, which are generally used to protect concrete floors from excessive wear and damage. Two of the most popular types of floor coatings, epoxy and...
It is essential to perform regular inspections on pressure equipment to ensure that their mechanical and structural integrity meet safety and performance standards. Traditionally, internal visual inspections have been used...
Laser scanning (profilometry) is a relatively new technique used for nondestructive testing and evaluation of numerous structures. It involves using laser technology to capture the three-dimensional shape and physical...
Self-healing metal oxide is a term used to describe a special category of metal oxides that are known to exhibit extraordinary corrosion resistance. This term was coined by academics at the Massachusetts Institute of...
Refractory metals are a classification of metallic elements that possess properties that make them more durable and resilient than other standard metals. While the definition of this term varies slightly, one of the defining...
Galvanic corrosion is a destructive electrochemical process that occurs when dissimilar metals are in direct or indirect contact with each other with an electrolyte present. During this process, one metal experiences severe...
Corrosion under insulation (CUI), like other forms of corrosion, is electrochemical in nature and therefore is significantly influenced by the temperature of the surrounding environment. The higher the temperature during the...
The tool used to measure a polarization current (1 amp = 1 coulomb per second) is called a potentiostat. A potentiostat is an essential device used in corrosion studies to investigate electrochemical parameters such as...
