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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 mm2/sec |
B. | 5.25 mm2/sec |
C. | 5.45 mm2/secb) 5.25 mm2/secc) 6.35 mm2/sec |
D. | 5.75 mm2/sec |
E. | is given as 5mm2/sec)a) 5.45 mm2/secb) 5.25 mm2/secc) 6.35 mm2/secd) 5.75 mm2/sec |
Answer» C. 5.45 mm2/secb) 5.25 mm2/secc) 6.35 mm2/sec | |