Thermal Expansion of Solids

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Material tends to increase in length, area, and volume with rising temperature.


In this Demonstration, the expansion is exaggerated by a factor of five for better visualization.


Contributed by: Enrique Zeleny (March 2011)
Open content licensed under CC BY-NC-SA



In general, the coefficients for area and volume expansion are twice and three times the value for linear expansion, respectively.

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