11.4 Compute the volume percent of graphite VGr in a 3.5 wt% C cast iron, assuming that all the carbon exists as the graphite phase. Assume densities of 7.9 and 2.3 g/cm3 for ferrite and graphite, respectively.

The volume percent of graphite in a 3.5 wt% C cast iron is 11%.

Explanation:

Consider 100 grams 3.5% C cast iron.

Mass of  carbon in 100 grams of cast iron =

Mass of iron in cast iron = = 100 g - 3.5 g = 96.5 g

Density of graphite =

Volume of the graphite =

Density of iron=

Volume of the iron =

Total volume of the cast iron ,V=

Volume percent of the graphite :

The volume percent of graphite in a 3.5 wt% C cast iron is 11%.

answer:

an example of solubility is salt or sugar dissolving in water.

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