The Keronite Plasma Electrolytic Oxidation (PEO) process transforms the surface of aluminium or magnesium into a complex ceramic matrix with outstanding resistance to corrosion and wear. The chemically inert Keronite layer grows both above and below the surface of the component being treated. Self-regulating, this ceramic layer closely follows the contours of the component. Its thickness can be controlled and predicted with accuracy, making it suitable for high precision parts, complex geometries and cavities or parts with vulnerable edges. As a ceramic, Keronite has excellent thermal properties . Its relatively low stiffness gives excellent strain tolerance and compliance. This means that Keronite remains flexible and performs well in extreme temperatures and yet it is tough and resistant to crack propagation. Components treated using the Keronite process can often be reprocessed and repaired rather than replaced, and initial tests by a leading automotive manufacturer indicate that treated parts present no problems when it comes to recycling.
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