Metallurgical Engineering > GATE 2026 > Dislocations
Which one of the following dislocation dissociation reactions is feasible in face-centered cubic metals?
A
a/2[0 1̄ 1] → a/6[1 2̄ 1] + a/6[1̄ 1̄ 2]
B
a/2[0 1̄ 1] → a/6[1 1̄ 2] + a/6[2 1 1̄]
C
a/2[0 1̄ 1] → a/6[1 1̄ 2] + a/6[1̄ 2̄ 1̄]
D
a/2[0 1̄ 1] → a/6[1 2̄ 1] + a/6[2 1̄ 1̄]

Correct : a

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metallurgical engineering gate face centered cubic metals dislocation dissociation GATE Metallurgical Engineering 2026 feasible dislocation reactions metallurgy face centered cubic GATE 2026 questions

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