External corrosion direct assessment (ECDA) refers to a structured process done in four phases. ECDA improves safety of pipelines through assessing and reducing the impact of external corrosion on pipeline integrity. This process prevents corrosion defects proactively from growing to a size that… View Full Term
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Water is an essential ingredient in concrete. Initially, moisture must be present for desired properties. However, excessive moisture in a concrete...
By: Fred Goodwin | Head Corrosion Competency Center, BASF Construction Chemicals
Proper attention to surface preparation is essential to achieve a robust bond between repair materials and the existing concrete substrate.
By: Hamid Khan
Delaminations in concrete slabs can be a serious problem, but often they are heard before they are seen. Here's how to prevent them before...
By: Corrosionpedia Staff
The presence of non-visible residual surface salts and their impact on life cycle coating performance is well documented, yet no widespread industry standards exist to easily reference levels that will diminish the risk of...
By: Hap Peters | Managing Director, CHLOR RID International, Inc.
Both abrasive and corrosive, the marine environment is unforgiving of maritime structures such as offshore platforms and rigs, and ocean-going vessels – all of which are major investments for the companies operating them....
By: Denis Baker, Eng. | Special Projects Engineer, Rhino Linings Australasia Pty Ltd
Safety should be a primary consideration when writing a great coating specification because...
By: Mark Davidson, Eng.
Single-coat inorganic zinc silicate (IOZ) coating provides one of the most durable and cost-effective coating systems available. Properly applied, it...
By: Rob Francis | Consultant, Aurecon Materials Technology Group
Common disputes on coating application projects often originate in the coating specification. When the specification is unclear, it can lead to conflicts about what is required and what is acceptable.
When asked why a coating has failed to deliver some expected performance, most people immediately respond that there was a failure in the surface preparation or the application process. Yet the processes we use for surface...
By: Raouf Kattan | Managing Director, Safinah Ltd.
Electrochemical reactions on the internal surfaces of gas pipelines can result in corrosion and, ultimately, gas leaks, fires and explosions. Here we...
By: Shivananda Prabhu
In writing coating specifications for assets in challenging environments, it is essential to understand and include all of the limiting conditions for...
What happens when an aging oil tanker is converted to a floating production and storage operation (FPSO), and then is put in service 12 additional years over the original three-year coating durability specified? What comes...
By: Louis D. Vincent | Owner, L.D. “Lou” Vincent PHD LLC
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