Mechanical Properties of Isomorphous Alloys

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Presentation transcript:

Mechanical Properties of Isomorphous Alloys The mechanical properties of solid isomorphous alloys are affected by composition alteration [as other structural variables (e.g., grain size) are held constant]. For all temperatures and compositions below the melting temperature of the lowest-melting component, only a single solid phase will exist.

Binary Eutectic Systems this is known as a binary eutectic phase diagram. A number of features of this phase diagram are important and worth noting. First, three single-phase regions are found on the diagram: α, β, and liquid. The α phase is a solid solution rich in copper; it has silver as the solute component and an FCC crystal structure.

invariant point An important reaction occurs for an alloy of composition CE as it changes temperature in passing through TE; this reaction may be written as follows: