cathodic disbonding

cathodic disbonding

[kə¦thōd·ik ‚dis′bänd·iŋ]
(metallurgy)
The destruction of adhesion between a cathodic coating and its substrate by products of a cathodic reduction reaction.
References in periodicals archive ?
The corrosion resistance of painted samples was evaluated by an accelerated corrosion test as well as by electrochemical techniques like cathodic disbonding and AC-DC-AC tests.
10) The Rapid Electrochemical Assessment of Paint (REAP) protocol incorporates an impedance measurement to determine the barrier properties of the coating and a cathodic disbonding procedure to determine the damage caused by corrosion at the metal-paint interface.
A program using manufacturer applied product to test at a minimum for cathodic disbonding resistance, hot water adhesion, flexibility and impact resistance;
An inorganic filler, talc, was also used in an attempt to improve the cathodic disbonding resistance of IvIDPE in one of the compression-molded samples in this study.
Keeping this in mind, we evaluated the resistance of several adhesive systems to cathodic disbonding.
Steinsmo, U, Skari, JI, "Factors Influencing the Rate of Cathodic Disbonding of Coatings.
SP-8888 is a 100 percent solids, two-part coating based on the latest Novolac technology with excellent impact and flexibility at sub-zero temperatures while achieving cathodic disbonding results of less than 10 mm radial disbondment at temperatures up to 302[degrees]F (150[degrees]C).
A cathodic disbonding analysis based on the Rapid Electrochemical Assessment of Paint (REAP) method was used to compare the relative adhesion of epoxy neat resins to hydrotalcite and zinc phosphate coated surfaces.
It must meet impact requirements, resist cathodic disbonding, meet hot-water adhesion requirements, and have some flexibility.
SP-8888[R] is a 100-percent solids, two-part coating based on the latest Novolac technology with excellent impact and flexibility at sub-zero temperatures while achieving cathodic disbonding results of less than 10 mm, radial disbondment at temperatures up to 302[degrees]F (150[degrees]C).
SP-8888 is a 100 percent solids, two part coating based on the latest Novolac technology with excellent impact and flexibility at sub-zero temperatures while achieving cathodic disbonding results of less than 10 mm radial disbondment at temperatures up to 302[degrees]F (150[degrees]C).
When it comes to pipelining in rough terrain like northern Alberta's muskeg region, it has been difficult to find a coating tough enough to maintain its cathodic disbonding properties and endure the abuse of line installation, until now.