Question

Upon consideration of the SiO2–Al

Answer 1

The phase's composition is as follows: 27

What is the alloy's composition?

Both have mass fractions of w a = w b = 0.5.

A-B alloy composition; C o = 57 wt% B - 43 wt% A

C b = 87 wt% B - 13 wt% A is the new phase composition.

Using the Lever rule, we can calculate the mole fraction (x i) or mass fraction (w i) of each phase of a binary equilibrium phase as follows:

W a = W b = 0.5

This provides us with;

0.5 = (C b - C o)/(C b - C a)

(87 - 57)/(87 - C a) = 0.5

30/0.5 = 87 - C a

60 = 87 - C a

C a = 87 - 60

C a = 27

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