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    Thermal Expansion

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    Aluminum has a positive coefficient of thermal expansion. Consider a round hole that has been drilled in a large sheet of aluminum. As the temperature increases and the surrounding metal expands, what will the diameter of the hole do?

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    https://brainmass.com/physics/temperature/thermal-expansion-55033

    Solution Summary

    The expert describes what happens to a hole on aluminum sheet as the metal expands.

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