(a) Describe with illustration, TWO (2) possible point defects that can occur in metal alloying elements. (b) Nickel and boron are to be diffused into an FCC iron metal during surface treatment. The diffusion process begins at the same time for both nickel and boron atoms. Identify with justification which metal atom diffused at a higher rate during the process. Table 2: Atom and crystal characteristic Element Atomic radius Crystal Structure | Electronegativity Ni 0.1246 FCC +2 B 0.085 Rhombohedral +3 Fe 0.124 FCC +2 0.071 НСР +4

(a) Describe with illustration, TWO (2) possible point defects that can occur in metal alloying elements. (b) Nickel and boron are to be diffused into an FCC iron metal during surface treatment. The diffusion process begins at the same time for both nickel and boron atoms. Identify with justification which metal atom diffused at a higher rate during the process. Table 2: Atom and crystal characteristic Element Atomic radius Crystal Structure | Electronegativity Ni 0.1246 FCC +2 B 0.085 Rhombohedral +3 Fe 0.124 FCC +2 0.071 НСР +4

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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