As the A-rich α phase solidifies excess B diffuses a short distance – McqOptions

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1.	As the A-rich α phase solidifies excess B diffuses a short distance laterally where it is incorporated in the B-rich β phase. For an interlamellar spacing K, there is a total of X m2 of α/β interface per m3 of eutectic. Find the value of X?
A.	1/K
B.	3/K
C.	2/K
D.	2/K2
Answer» C. 2/K

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