Three component phase diagram


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Three component phase diagram

In a three component phase diagram, the proportions of the three variables A, B, and C must (normally) sum to 100% or 1.0. If we know A and B we can calculate C :  100%-A-B=C (or 1-A-B=C). Because the three proportions cannot vary independently - it is possible to graph the intersection of all three variables in a two dimensional manner (two degrees of freedom).



 

Three component phase diagram

three component phase diagram


Three component phase diagram (above):
                                 Blue area (center): A = 20%  ,  B = 10%  and C = 70%     -->  A + B + C = 100%


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