Gouge hardness is a measurement that is used to determine the resilience of a coating by way of a specific measurement tool known as a pencil hardness gauge. During the test, different pencils are scratched along the surface of the coating to determine which one is hard enough to gouge the… View Full Term
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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...
By: Louis D. Vincent | Owner, L.D. “Lou” Vincent PHD LLC
Increasing surface roughness depth does not always ensure good coating adhesion. Here, we consider how adhesion ultimately depends on not only the energy that is used to create the contact, but also on the interaction existing in the contact interface.
By: Shiwei William Guan, Ph.D.
In light of basic adhesion science, today’s surface profile measurement methods, standards and specifications have unique limitations in determining whether a proper surface profile has been achieved prior to coating.
Nanocoatings are defined as the nanostructures with thickness in the nanometer scale. Generally, thin films are required to have a thickness in a range of a micron or less with special characteristics in production,...
By: Sadeq Hooshmand Zaferai, MSc
Alkyd-based paints have been a dominant product in the protective coating market since the 1930s. Find out more about alkyd resins in this excerpt from the ASM Handbook Volume 5B: Protective Organic Coatings.
By: Kenneth B. Tator, P.E | Chairman of the Board, KTA-Tator,
Protecting metals from the damaging effects of corrosion is usually achieved with the application of powder coating, paint or hot-dip galvanizing. However, due to the advancements in technology and corrosion protection...
By: Corrosionpedia Staff
Cavitation takes place in a fluid system, when the local fluid pressure in any region falls below the fluid’s characteristic vapor pressure, resulting in the instantaneous formation of gas vapor bubbles and gas pockets...
By: Shivananda Prabhu
In the decade that I've been working with polyurea spray coating technologies, plus four additional years on the polyurethane chemistry side, we have come a long way in our understanding of the advantages and disadvantages...
By: Kyle Flanagan, B.S. | Technical Director, Freedom Chemical Corporation
In this quiz, we will test your knowledge of anti-graffiti coatings, graffiti cleaning methods and corrosion prevention mechanisms.
By: Krystal Nanan | Civil Engineer
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.
By: D. Terry Greenfield, PCS | Principal Consultant, CorroMetrics Services, Inc.
Lining is typically used for several purposes: to minimize evaporation, to protect the product being stored and to control corrosion. Lining started to be applied to steel tanks in the mid to late 1910s. Various lining...
By: Tatsuya Nakagawa | VP of Marketing and co-founder of Castagra Products
Read some Case Studies of a Novel Elastomer for Cavitation Resistance…
By: Gavin Bowers, CEng | Operations Manager, Belzona Polymerics Ltd
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