What are the thermal properties of granite in animal sculptures exposed to sunlight?
Granite is a popular material for animal sculptures due to its durability and aesthetic appeal. When exposed to sunlight, granite exhibits unique thermal properties that contribute to its longevity and structural integrity. Granite has a high heat resistance, with a thermal conductivity of approximately 2-3 W/m·K, which allows it to absorb and dissipate heat slowly. This property minimizes thermal stress, reducing the risk of cracks or damage from prolonged sun exposure. Additionally, granite's low thermal expansion coefficient ensures minimal dimensional changes under temperature fluctuations, making it ideal for outdoor sculptures. The stone's natural color and texture also resist fading, even under intense UV radiation. Understanding these thermal properties helps artists and conservators maintain granite animal sculptures in sunny environments, ensuring their beauty and durability for years to come.
