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Chemistry 11 Online
OpenStudy (anonymous):

The linear thermal expansion coefficient of aluminum is 22.2x10-6 m/m K and that of alumina is 5.4x10-6 m/m K. If the criterion for onset of dislocation plasticity is related to thermal mismatch exceeding Burgers vector for aluminum, which is 2.8x10-10 m. What is the maximum thermal cycle range to avoid onset of plasticity?

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