• • Interfacial bonding strength reaches 66.0 MPa, enabled by a nanoscale elemental interdiffusion transition layer; this exceeds typical thresholds for structural coatings and ensures mechanical integrity under service loads.
• • Corrosion resistance is improved in aggressive environments without sacrificing the substrate's compressive and tensile strength, addressing the trade-off between protection and mechanical performance.
• • Process adaptability is validated across copper, aluminum, and 316 stainless steel powders, indicating that UVAMC is not limited to chromium and can be applied to diverse metallic systems.
• • Complex geometry capability is demonstrated by successful coating of the "SZU" pattern, confirming operational flexibility for industrial components with non-planar surfaces.