Metal fatigue is a significant challenge for sculptors creating long-term installations, as it can lead to structural failure and aesthetic degradation over time. To address this, artists employ a combination of material selection, engineering techniques, and preventive maintenance. High-quality metals like stainless steel or bronze are often chosen for their resistance to fatigue and corrosion. Additionally, sculptors use strategic welding methods to distribute stress evenly across the piece, minimizing weak points.

Protective coatings, such as powder coatings or galvanization, are applied to shield the metal from environmental factors like moisture and temperature fluctuations. Regular inspections and maintenance, including crack detection and reinforcement, help prolong the sculpture's lifespan. Some artists even incorporate flexible joints or modular designs to accommodate natural material expansion and contraction.

By blending artistic vision with scientific principles, sculptors ensure their metal creations withstand the test of time while maintaining their intended impact. These solutions not only preserve the artwork but also reduce long-term maintenance costs, making them essential for public and private installations alike.