The dislocations effectively act as pipes along which atoms can diffuse with a diffusion coefficient 2.5mm2/sec. Calculate the apparent diffusivity if the cross-sectional area of pipe per unit area of matrix is given as 10-1? (If D1 (diffusivity through defect free lattice) is given as 5mm2/sec)

The dislocations effectively act as pipes along which atoms can diffus

1.	The dislocations effectively act as pipes along which atoms can diffuse with a diffusion coefficient 2.5mm²/sec. Calculate the apparent diffusivity if the cross-sectional area of pipe per unit area of matrix is given as 10^-1? (If D1 (diffusivity through defect free lattice) is given as 5mm²/sec)
A.	5.45 mm<sup>2</sup>/sec
B.	5.25 mm<sup>2</sup>/sec
C.	6.35 mm<sup>2</sup>/sec
D.	5.75 mm<sup>2</sup>/sec
Answer» C. 6.35 mm<sup>2</sup>/sec

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The dislocations effectively act as pipes along which atoms can diffuse with a diffusion coefficient 2.5mm2/sec. Calculate the apparent diffusivity if the cross-sectional area of pipe per unit area of matrix is given as 10-1? (If D1 (diffusivity through defect free lattice) is given as 5mm2/sec)

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The dislocations effectively act as pipes along which atoms can diffuse with a diffusion coefficient 2.5mm²/sec. Calculate the apparent diffusivity if the cross-sectional area of pipe per unit area of matrix is given as 10^-1? (If D1 (diffusivity through defect free lattice) is given as 5mm²/sec)