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Please derive the maximum drag force of particle on the grain boundary: f=pi rsigma and the driving force for boundary movement to the retarding force
Please derive the maximum drag force of particle on the grain boundary:
f=\\\\pi r\\\\sigma and the driving force for boundary movement to the retarding force of the inclusions (Zener's relationship): R =
4(r)/(3)\\\\zeta . ( 10 points)\ What is the driving force for recovery of deformed metals? What are the differences between recovery processes at high and low temperatures? ( 8 points)
3. Please derive the maximum drag force of particle on the grain boundary: f=r; and the driving force for boundary movement to the retarding force of the inclusions (Zener's relationship): R= 4r/3. (10 points) 4. What is the driving force for recovery of deformed metals? What are the differences between recovery processes at high and low temperatures? ( 8 points)
Please derive the maximum drag force of particle on the grain boundary:
f=\\\\pi r\\\\sigma and the driving force for boundary movement to the retarding force of the inclusions (Zener's relationship): R =
4(r)/(3)\\\\zeta . ( 10 points)\ What is the driving force for recovery of deformed metals? What are the differences between recovery processes at high and low temperatures? ( 8 points)
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