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Why do things get brittle when frozen?

Updated: 9/20/2023
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Tintinteslacoil

Lvl 1
12y ago

Best Answer

This is due to molecular mobility, which changes with temperature. At colder temperatures, the molecules within a material may be less able to slip and slide past each other as they do at normal temperatures. At normal temperatures, the material will have a certain amount of elasticity or ductility and is able to deform under stress without a crack appearing. At lower temperatures, the elasticity or ductility is lost and when placed under stress, the material may crack and give rise to a brittle fracture. The temperature at which this change in material properties occurs is called the "glass transistion temperature" denoted as "Tg".

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12y ago
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Q: Why do things get brittle when frozen?
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