4. Phases in metal alloys
The following condensed phases may be present in a metal alloy.
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The liquid phase
It always occupies the upper part of phase diagrams, towards high temperatures (unless, of course, the vapor phase is also represented). In the vast majority of cases, the liquid phase is unique, which means that, in the liquid state and at high temperatures, most metals are soluble in all proportions. However, in the event of strong repulsion between the metallic constituents, liquid demixing can occur in alloys, as in a vinaigrette containing an immiscible fatty and aqueous liquid.
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Primary solid solutions
They adjoin the vertical axes of the pure bodies. These phases are isomorphic to the pure substances they border (they have the same crystalline structure)....
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Phases in metal alloys
Simulation of binary diagrams using the regular solution
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Diagram classification
In this folder, the diagrams are arranged in alphabetical order of the symbol of the element concerned, which comes first in alphabetical order among the elements making up the alloy; then, for a given element, in alphabetical order of the symbol of the second element.
Example
we find Fe-C to C-Fe.
...
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