The stacking fault energy of aluminium is 200 mJ m-2. Find the equilib – McqOptions

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1.	The stacking fault energy of aluminium is 200 mJ m^-2. Find the equilibrium spacing between partial dislocation of aluminium. If the shear modulus of the material is 27 GPa and lattice parameter is 3.57 A .
A.	20 A
B.	1000 A
C.	1 A
D.	20 micron
Answer» B. 1000 A

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The stacking fault energy of aluminium is 200 mJ m<sup>-2</sup>. Find the equilibrium spacing between partial dislocation of aluminium. If the shear modulus of the material is 27 GPa and lattice parameter is 3.57 A .