Consider an aluminum polycrystal with a grain size of 10 μm. If a dislocationsource at the center of a grain emits dislocations under an appliedshear stress of 50 MPa that pile up at the grain boundaries, what is the stressexperienced by a grain boundary? Take G = 26 GPa and b = 0.3 nm. 4.25 Consider an aluminum polycrystal with a grain size of 10 µm. If a dis-location source at the center of a grain emits dislocations under an appliedshear stress of 50 MPa that pile up at the grain boundaries, what is the stressexperienced by a grain boundary? Take G = 26 GPa and b = 0.3 nm.

Data given - grain size = 10 μm applied shear stress = 50 MPa G = 26 GPa b = 0.3 nm.

Answered: Consider an aluminum polycrystal with a…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Consider an aluminum polycrystal with a grain size of 10 μm. If a dislocation
source at the center of a grain emits dislocations under an applied
shear stress of 50 MPa that pile up at the grain boundaries, what is the stress
experienced by a grain boundary? Take G = 26 GPa and b = 0.3 nm.

4.25 Consider an aluminum polycrystal with a grain size of 10 µm. If a dis-
location source at the center of a grain emits dislocations under an applied
shear stress of 50 MPa that pile up at the grain boundaries, what is the stress
experienced by a grain boundary? Take G = 26 GPa and b = 0.3 nm.

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