Galvanic corrosion is a common challenge in mixed-metal bronze sculptures, where dissimilar metals react electrochemically, leading to deterioration. To preserve the integrity and aesthetics of these artworks, several proven methods can be employed.

1. Isolate Dissimilar Metals: Use non-conductive barriers like rubber, plastic, or specialized gaskets to separate bronze from other metals, preventing direct contact and electrochemical reactions.

2. Apply Protective Coatings: Coat metals with paint, lacquer, or wax to create a barrier against moisture and electrolytes. Regular reapplication ensures long-term protection.

3. Use Sacrificial Anodes: Attach a more reactive metal (e.g., zinc) to the sculpture. This anode corrodes first, diverting damage away from the bronze.

4. Control Environmental Exposure: Limit exposure to humidity, saltwater, or pollutants by displaying sculptures indoors or using climate-controlled cases.

5. Opt for Compatible Metals: During creation, select metals with similar electrochemical properties to bronze to minimize galvanic potential.

By combining these strategies, artists and conservators can significantly reduce galvanic corrosion, ensuring mixed-metal bronze sculptures remain stunning for generations.