Nanocrystalline hard chromium electrodeposition from trivalent chromium bath containing carbamide and formic acid: Structure, composition, electrochemical corrosion behavior, hardness and wear characteristics of deposits

► The Cr-C electrodeposits have a nanocrystalline type of structure. ► Carbon is present as chromium carbide. ► The deposits exhibit an absence of the active dissolution range in acid solution. ► The hardness and wear characteristics were investigated.