lämpölaajentaminen
Lämpölaajentaminen, or thermal expansion in English, is the tendency of matter to change its volume in response to changes in temperature. When a substance is heated, its atoms or molecules gain kinetic energy and vibrate more vigorously. This increased vibration causes them to move further apart, leading to an expansion of the material. Conversely, when a substance is cooled, its particles lose energy, vibrate less, and move closer together, resulting in contraction.
The amount of expansion or contraction depends on the material's properties, specifically its coefficient of thermal
Thermal expansion has numerous practical implications. It must be accounted for in the design of bridges, buildings,