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Micro Arc Oxidation (MAO), also known as Plasma Electrolytic Oxidation (PEO) or Anodic Spark Deposition (ASD), is an advanced surface modification technique developed to produce ceramic-like oxide coatings on lightweight metals, particularly aluminum, magnesium, and titanium alloys. This technique relies on complex physicochemical processes involving electrochemical reactions and plasma discharges in an aqueous electrolyte under high voltage. Coatings obtained by MAO exhibit superior properties

Corrosion is the degradation of materials through chemical or electrochemical reactions induced by environmental factors, resulting in the loss of physical and mechanical properties. Although commonly associated with metals, many materials including polymers and ceramics are also affected by this process. The fundamental driving force behind corrosion is the tendency of the system to reduce its free energy. Refined metals exhibit a thermodynamic tendency to re-oxidize because they possess higher

Diamond-like carbon (DLC) is a type of coating belonging to the class of amorphous carbon films and contains both sp² and sp³ hybridized carbon bonds. Structurally, DLC combines diamond-like properties such as high hardness and chemical inertness with graphite-like characteristics including exceptional lubricity and low coefficient of friction. This structural versatility enables DLC to be used in optical, mechanical, tribological, and biomedical applications.DLC films are classified based on th

Physical Vapor Deposition (PVD) is a coating technology based on the physical vaporization of a solid target material and its transport to a substrate surface, where it condenses to form a thin film coating.This method is typically carried out under high-temperature and low-pressure conditions. The vaporized atoms or molecules condense upon reaching the substrate, forming the desired coating layer. Throughout the process, material transfer occurs entirely through physical mechanisms; no chemical