A bimetallic strip or bimetal strip is a strip that consists of two strips of different metals which expand at different rates as they are heated. The different expansion rates cause the strip to bend one way if heated, and in the opposite direction if cooled below its initial temperature.
A bimetallic strip or bimetal strip is a strip that consists of two strips of different metals which expand at different rates as they are heated. The different expansion rates cause the strip to bend one way if heated, and in the opposite direction if cooled below its initial temperature.
Source: Wikipedia "Bimetallic strip" · CC BY-SA 4.0
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