Answer to Question #228395 in General Chemistry for vhinz

Question #228395

Austenite form of iron has FCC crystal lattice structure, whereas its alpha form has BCC crystal lattice structure. Assuming closest packed arrangement of iron atoms, what will be the ratio of density of Austenite to that of alpha iron?


1
Expert's answer
2021-08-22T07:29:41-0400

Iron below the temperature of 9110C has a cubic volume-centered crystal lattice (BCC) and is called aFe. Some other metals (Ti, V, W, Mo, Cr, Mn) may have the same structure. At temperatures of 911-13900C, iron has a cubic face-centered crystal lattice (HCC) and is called gFe.


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