ow to determine constants in the Hall-Petch equation
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How to determine constants in the Hall-Petch equation
Introduction:
The Hall-Petch equation is empirically found and the expression is written as,
By experiment, it is found that the yield stress can be related to the grain size.
Here, D is grain diameter, is yield stress.
and k are constants.
The constant is the yield stress when the yield stress is infinity i.e it is yield stress of infinitely large grain size.
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