Often, the properties of multiphase alloys may be approximated by the relationship E (alloy) = EaVa + EBVB where E represents a specific property (modulus of elasticity, hardness, etc.) and V is the volume fraction. The subscripts a and ß denote the existing phases or microconstituents. Employ the relationship above to determine the approximate Brinell hardness of a 99.78 wt% Fe-0.22 wt% C alloy. Assume Brinell hardnesses of 80 and 280 for ferrite and pearlite, respectively, and that volume fractions may be approximated by mass fractions. See Animated Figure 10.28 (10.24) i
Often, the properties of multiphase alloys may be approximated by the relationship E (alloy) = EaVa + EBVB where E represents a specific property (modulus of elasticity, hardness, etc.) and V is the volume fraction. The subscripts a and ß denote the existing phases or microconstituents. Employ the relationship above to determine the approximate Brinell hardness of a 99.78 wt% Fe-0.22 wt% C alloy. Assume Brinell hardnesses of 80 and 280 for ferrite and pearlite, respectively, and that volume fractions may be approximated by mass fractions. See Animated Figure 10.28 (10.24) i
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Transcribed Image Text:Often, the properties of multiphase alloys
may be approximated by the relationship
E (alloy) = EaVa + EBVB
where E represents a specific property
(modulus of elasticity, hardness, etc.) and V
is the volume fraction. The subscripts a and
B denote the existing phases or
microconstituents. Employ the relationship
above to determine the approximate Brinell
hardness of a 99.78 wt% Fe-0.22 wt% C
alloy. Assume Brinell hardnesses of 80 and
280 for ferrite and pearlite, respectively,
and that volume fractions may be
approximated by mass fractions.
See Animated Figure 10.28
(10.24)
i
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