COATING TECHNOLOGY
SECTION TITLE
Abcite 2060 single-layer flame spray coating
management capabilities. Te new range of powder coatings includes the Resicoat EVpack, which delivers a range of protective properties for the battery pack and housing to insulate electrical systems, and the Resicoat EVcell, which provides excellent cell- to-cell electrical insulation for intricate designs. Te Resicoat EVcooling coating, meanwhile, is designed to deliver superior performance in thermal conductivity, electrical insulation, edge coverage and consistent film building in cooling tube and plate applications. Te range also features Resicoat
EVbusbar which coats the busbars that carry and distribute electricity in order to improve heat dissipation and support a lower fire load with a longer lifetime during thermal impact. Rounding off the range is Resicoat EVmotor, which is designed to protect the electric motor with epoxy powder solutions specifically designed for the electrical insulation of hairpin stators. Each of the product ranges within
the Resicoat EV line are tested and approved to UL 94 V-0, which permits vehicle systems to tolerate a certain level of exposure to a flame without igniting. Te range is also tested and approved to UL746B and UL1446, meaning they can resist thermal degradation and damage
that can occur at elevated temperatures.
CONTROLLING COMPOSITE MICROSTRUCTURES Elsewhere, research, technology and
engineering consultancy TWI has developed an electroless nickel- phosphorus plating
ENP-PTFE composite coating
(ENP) composite coating for demanding geothermal applications. ENP coatings are deployed within a broad range of industries, including aerospace, oil and gas, geothermal, and electronics, due to its exceptional mechanical and tribological properties.
Te coating’s high hardness, wear and
corrosion resistance properties can be turned by controlling the microstructure of the material to tailor its alloy chemistry. Properties can be further enhanced by post-plating heat treatment and the incorporation of nanoparticles to improve hydrophobicity, hardness, and wear resistance with low coefficient of friction (CTE). TWI has developed the capability to
produce EN coatings for applications requiring such properties through incorporating PTFE nanoparticles
homogeneously in nickel-phosphorous based coatings. Bespoke surface modification solutions can also be achieved by optimising the coating performance through ENP coating deposition, characterisation, and testing. Te new ENP coatings are currently being deployed as part of TWI’s participation in ongoing geothermal related research projects such as Geo-Coat, Geo-Drill, and Geohex, which have each received funding by the European Union’s Horizon 2020 research and innovation programme.
For more information visit
www.axalta.com
www.akzonobel.com
www.twi-global.com
www.engineerlive.com 29
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