What role does metal’s fatigue limit play in the design of wind-activated animal sculptures?
The fatigue limit of metal is a critical factor in the design of wind-activated animal sculptures, as it determines the material's ability to withstand repeated stress cycles without failure. These sculptures, often exposed to constant wind forces, rely on metals with high fatigue limits to ensure longevity and structural integrity. By selecting materials like stainless steel or aluminum alloys, designers can minimize cracks and fractures caused by cyclic loading. Additionally, understanding the fatigue limit helps optimize the sculpture's mechanical components, such as joints and moving parts, to endure years of environmental exposure. Ultimately, this consideration ensures that the artwork remains functional and visually striking over time.