Thermal shock

Thermal shock is a type of thermal stress caused by a sudden change in temperature. It is a common mode of failure when a hot meets cold, such as pouring boiling water in a cold glass, causing it to shatter. Large temperature differentials act as type of mechanical load, producing strain across the material. The load is caused by the different parts of the material expanding differently at their respective temperatures, resulting in internal strain. When the strain exceeds the tensile strength of the material, it causes mechanical failure of the material, resulting in fracture and potential structural failure.

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