Effect of the nitrate ion on the morphology and corrosion resistance of electrodeposited black chromium

Key Points

• Improved corrosion resistance is observed with the introduction of nitrate ion into the electrodeposition process, enhancing longevity.
• Key evidence includes a significant reduction in corrosion rates by 30% following nitrate ion application during electrodeposition.
• Observational analysis focused on the morphology of black chromium films, examining surface characteristics under different nitrate concentrations.
• These findings suggest nitrates may play a crucial role in enhancing durability, warranting further exploration for industrial applications.