ron (Fe) undergoes an allotropic transformation at 912°C: upon heating from a BCC [ alpha phase) to a FCC (gamma phase). Accompanying this transformation is a change in the atomic radius of Fe from R bcc= 0.12584 nm to R fcc= 0.12394 nm and, in addition, a change in density. Compute the percentage volume change per atom (Vfinal |-V initial |)/ (V; initial |) associated with this reaction .  Indicate whetherthere is an expansion or zontraction taking place during the process

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
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Iron (Fe) undergoes an allotropic transformation at 912°C: upon heating from a BCC [ alpha phase) to a FCC (gamma phase). Accompanying this
transformation is a change in the atomic radius of Fe from R bcc= 0.12584 nm to R fcc= 0.12394 nm and, in addition, a change in density.
Compute the percentage volume change per atom (Vfinal |-V initial |)/ (V; initial |) associated with this reaction . 
Indicate whetherthere is an expansion or zontraction taking place during the process 





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