Menu
Search
Filters
Close
Menu

The AA2024/CFRP Galvanic Couple Under A Dynamic Electrolyte Drop

Picture for The AA2024/CFRP Galvanic Couple Under A Dynamic Electrolyte Drop
Available for download

The gap between fully immersed and ultra-thin film electrochemical measurements is wide, which suggests that the two conditions are independent of one another. There is a lot of work describing experiments, results, and trends regarding completely immersed electrochemical tests. However, in corrosion tests under thin electrolyte films, the information is not so abundant. A classical three-electrode cell used in conventional electrochemical tests cannot easily be scaled for immersion in electrolytes of micron thickness.

Product Number: 51322-17686-SG
Author: R. Montoya, E. García-Lecina, J.M. Vega-Vega, J. Genesca
Publication Date: 2022
Industries: Corrosion Monitoring and Control , Coatings and Linings , Coatings
$0.00
$20.00
$20.00

The galvanic interactions between AA2024 and Carbon Fiber Reinforced Polymer under a dynamic drop of NaCl electrolyte were studied. The use of a dynamic electrolyte provided the unique opportunity to investigate both thick and ultra-thin electrolyte systems. A modeling approach was achieved by solving the Nernst-Planck equations in a 2D dynamic domain. Two kinds of boundary conditions were considered: electrochemical and physicochemical. Huge differences were found in the galvanic corrosion process at the beginning of the droplet evaporation (initial height 1.8 mm) and after 24 h of a continuum evaporation process at 25 ᐤC and 85% RH (final size 0.06 mm).

The galvanic interactions between AA2024 and Carbon Fiber Reinforced Polymer under a dynamic drop of NaCl electrolyte were studied. The use of a dynamic electrolyte provided the unique opportunity to investigate both thick and ultra-thin electrolyte systems. A modeling approach was achieved by solving the Nernst-Planck equations in a 2D dynamic domain. Two kinds of boundary conditions were considered: electrochemical and physicochemical. Huge differences were found in the galvanic corrosion process at the beginning of the droplet evaporation (initial height 1.8 mm) and after 24 h of a continuum evaporation process at 25 ᐤC and 85% RH (final size 0.06 mm).

Product tags
Also Purchased
Picture for Suspension-High Velocity Oxy-Fuel Spray Tio2 Coatings And Their Corrosion Behaviour
Available for download

Suspension-High Velocity Oxy-Fuel Spray Tio2 Coatings And Their Corrosion Behaviour

Product Number: 51322-17637-SG
Author: Garima Mittal, Imran Bhamji, Alexandre Sabard, Shiladitya Paul
Publication Date: 2022
$20.00

With the increased pollution and energy demand, industries are shifting towards cleaner and greener power generation source. Geothermal energy, where energy is derived from the sub-surface of earth, is an excellent and continuous source of energy. Despite having the potential of providing cleaner energy, there is a huge gap between the theoretical potential of geothermal power plants and their practical applications. Some of the major reasons are high power generation cost and poor efficiency of the plant.
Sustainable Coatings For Above Ground Storage Tanks
Available for download

Sustainable Coatings For Above Ground Storage Tanks

Product Number: 51322-18057-SG
Author: M. Gagné, J. Weber
Publication Date: 2022
$20.00

Controlling corrosion of steel is expensive. The direct costs of corrosion maintenance are estimated to be over 3% of GDP every year.1 Metallic zinc coatings provide very effective corrosion protection for steel by acting first as a barrier coating, keeping corrosive elements away from the steel, and secondly as a sacrificial anode.2 Should the zinc coating be compromised, accidentally by a scratch or on purpose with a drilled hole, the zinc will provide anodic protection to the exposed steel. Metallic zinc coatings can be pure zinc or zinc-based alloys and will be referred to generically as zinc coatings in the paper. Zinc coatings can be efficiently applied by thermal spraying, which involves projecting particles of semi-molten zinc onto the surface of the steel using compressed air. With thermal sprayed zinc (TSZ) coatings, there is no size limitation to the part to be coated, and the technology is fully portable, allowing easy field applications.
Surface And Defect Preparation Using Atmospheric Plasma For Non-Metallic Pipe Repair
Available for download

Surface And Defect Preparation Using Atmospheric Plasma For Non-Metallic Pipe Repair

Product Number: 51322-18175-SG
Author: Ahmed Hassanin, Chris Alexander, Jeffrey Piascik, Peter Yancey, Glenn Astolfi, Jeff Pavelka
Publication Date: 2022
$20.00

Composite repair systems’ performance relies heavily on the levels of adhesion between the initial layer of the composite system and the substrate. Enhanced adhesion translates to improved performance of the composite system since better bonding (whether mechanical or chemical) enhances the load transfer from the substrate to the composite layers as well as limit the porosity that would allow liquid or gas molecules to flow through. The aim of this study was to prove quantitatively how the APS atmospheric plasma surface preparation can improve the performance of composite repair systems whether on leaking or nonleaking defects. 
Categories
Industry
Recently viewed
Popular tags
View all

Association for Materials Protection and Performance

© AMPP All Rights Reserved.
Membership Terms of Content Use
Contact Customer Support