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

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

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