Alloy Phase Diagrams Center
 
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Welcome to Alloy Phase Diagrams Center

The ASM Alloy Phase Diagrams Center allows subscribers to explore, search and view more than 28,000 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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A eutectoid reaction reaction is an isothermal reversible reaction in which a solid solution is converted into two or more intimately mixed solids on cooling, the number of solids formed being the same as the number of components in the system. The difference from a eutectic reaction is that, in a eutectoid reaction, it is a solid rather than a liquid that transforms into two other solid phases at a single temperature. In the stable C-Fe diagram shown, the eutectoid reaction (Fe) ht ? (Fe) rt + (C) gra occurs at 97 at.% Fe and 740 °C.

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ASM Alloy Phase Diagrams Center. Editor-in-Chief, P. Villars; Section Editors, H. Okamoto and K. Cenzual.