With regard to phase diagrams, gamma is the name given to a phase. The gamma phase is a commonly a mixture of an intermetallic solid and either another intermetallic solid or an element. Gamma is also used to signify a high temperature solid. In steels the gamma (austenite) phase satisfies both of these definitions.
Associated terms: Intermetallic Compound, Alpha, Beta, Theta, Binary Phase Diagram, Austenite
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