Alloy Phase Diagram Database™
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Welcome to Alloy Phase Diagram Database™

The ASM Alloy Phase Diagram Database allows subscribers to explore, search and view more than 36,500 binary and ternary phase diagrams and associated phase data for more than 6200 systems from their Web browsers.

To get started, enter one or more elements in the boxes at the top of the screen and click Go, or select Explore to browse by elements and systems, or select Search to build targeted queries.

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An intermediate phase is a distinguishable homogeneous phase whose composition range does not extend to any of the pure components of the system. Intermetallic compounds are intermediate phases, containing two or more metals, that usually have compositions, and specific crystal structures different from those of the pure components of the system. They generally have a very limited composition range, and often are described as "line compounds" because they appear as vertical lines on the phase diagram. The Ag-Sr diagram shown here has five intermetallic compounds: SrAg5, SrAg4, SrAg2, SrAg, and Sr3Ag2, each of which has a specific, fixed composition. Of these intermetallic compounds, only SrAg5 displays some solubility with the silver terminal solid solution. Intermetallic compounds have unique melting points and therefore behave like pure elements.

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ASM Alloy Phase Diagram Database, P. Villars, editor-in-chief; H. Okamoto and K. Cenzual, section editors.

ASM International, Materials Park, OH, 44073, USA