Water transmissibility is the rate of water flow measured in gallons per day from a foot long aquifer vertical strip that extends to the full height of the aquifer under a 100% hydraulic gradient. A 100% hydraulic gradient is equal to a one foot drop in height per one-foot of flow distance. Water… View Full Term
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By: Faysal Fayez Eliyan, PhD | Assistant Professor
By: Krystal Nanan | Civil Engineer
By: Corrosionpedia Staff
A technical data sheet (TDS) is a document provided with a product that lists various pieces of information about the product. Oftentimes, technical data sheets include product composition, methods of use, operating requirements, common applications, warnings and pictures of the…
A stress concentration factor (Kt) is a dimensionless factor that is used to quantify how concentrated the stress is in a mechanical part. It is defined as the ratio of the highest stress in the part compared to a reference stress. A stress concentration, also known as a stress…
Impressed current cathodic protection (ICCP) is an electrochemical process used to prevent corrosion in metal structures by applying a controlled electrical current to the metal. This process involves the use of an external power source to apply an electrical current to the metal…
The destructive effects of corrosion on metals have been known for centuries. For almost as long as metals have been a construction material, humans have constantly sought ways to improve its longevity in corrosive environments. One of the most widely used techniques for protecting metals…
By: Krystal Nanan
The galvanic series plays a vital role in determining and preventing corrosion. Also known as the "electropotential series," this series identifies semi-metal and metal nobility. Essentially, galvanic corrosion occurs when two different metals immersed in an electrolyte are…
For centuries, metals have been the go-to choice for multiples applications due to their durability, versatility and strength. However, among the challenges that people face when using metals, corrosion is arguably the most common and widely recognized. Multiple solutions have been…
The short answer to the question is yes. Zinc does rust. Like all metals, zinc corrodes when exposed to air and moisture. However, this element does not rust like most other metals. Iron, for example, reacts with water and oxygen in the atmosphere to form hydrated iron (III) oxide on the…
By: Steven Bradley | Principal Consultant, Bradley Consulting Services
Xylan is an industrial dry film lubricant consisting primarily of one or more fluoropolymers including polytetrafluoroethylene (PTFE) (Figure 1), perfluoroalkoxy alkane (PFA) and fluorinated ethylene propylene (FEP). This coating is generally used to reduce friction, improve wear…
A corrosion rate conversion is a technique to change the measurement units of a given corrosion rate to another unit for comparison purposes or a specific engineering application. When converting a corrosion rate between these units you must keep in mind that a mil is a thousandth of an…
By: Osvaldo Mejia | Sr. Pipeline Integrity Engineer at Petroleum Development Oman
What does scientific research tell us about brittle cleavage fractures? We draw on expert knowledge to explain this kind of material failure.
By: Shivananda Prabhu
Hydrogen sulfide (H₂S) is a primary cause of pipeline corrosion failure in the oil and gas industry. Learn about mitigation/prevention here.
The PHMSA Mega Rule marks a significant turning point in the corrosion and pipeline industries. Here's an overview of the set of regulations.
By: Terry Knowles
Remote monitoring is crucial for pipeline integrity and safety of operation. Learn more in this article by GPT Industries and Corrosionpedia.
By: Mohamed Adel Mohamadein | Head of the Corrosion, Arab Petroleum Pipelines
A root cause analysis is crucial for identifying, fixing, and preventing corrosion-related failures. Learn more on Corrosionpedia.
Major advances in water-based coatings are busting misconceptions about what these kinds of coatings can do or be used for. Learn more here.
A look at the state of pipelines in the United States and how pipeline rehabilitation has affected and will affect corrosion mitigation.
By: Della Anggabrata
When it comes to cathodic protection monitoring, adhering to best practice is key. This guide will show you how to do that.
By: John Bollinger
AI applications and benefits for corrosion control and monitoring in oil pipelines
In a competitive job market, finding the perfect career fit in corrosion-related fields can be daunting. Here are some tips to help you in your search.
These impurities, which are often found in crude oil, can cause corrosion in pipelines, vessels and refinery equipment:
By: Raghvendra Gopal | Founder & Director, Materials Info Consultancy Private Limited
Bolts, or fasteners, are often the areas where corrosion starts and where its effects have the most serious consequences. Here’s how to prevent against it:
Fouling in heat exchangers is a very typical challenge. Corrosion and fouling expert Aldrich Tyto explains how to tackle it:
By: Aldrich Tyto | Laboratory Manager, CORROSION
What's the best way to mitigate AC corrosion? Could RMUs be the solution you are looking for?
By understanding common factors affecting corrosion, you will be better equipped to prevent its harmful effects. Here are five of the most common:
Water Transmissibility
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The ACA is a not-for-profit, membership Association which disseminates information on corrosion and its prevention or control by providing training,…
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Ames Kulprathipanja is the Innovation Leader for the Insulation Systems business unit of Johns Manville as well as the Technology Leader for the…
Arun Soman is a mechanical engineer with more than 10 years’ experience in the field of asset integrity of static equipment in the oil and gas…