Davies' equation, often referred to in the context of crystal plasticity and materials science, provides a relation for the flow stress of materials as a function of temperature. It is often used to describe the behavior of metals under stress, especially at elevated temperatures. In a more specific formulation, Davies' equation can be used to express the temperature dependence of yield strength or flow stress (\(\sigma\)), often including terms for the stress state, strain rate, and other factors.
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