Ellingham Diagram

Ellingham Diagram. Ellingham diagram is a plot between Gibbs free energy and temperature. In metallurgy, the Ellingham diagram is used to predict the equilibrium temperature between a metal, its oxide and oxygen, and by extension, reactions of a metal with sulphur, nitrogen and other.

An Ellingham diagram for oxides has several important features. The Ellingham Diagram, originally constructed for oxides, is a tool to find a variety of thermodynamic data quickly, without the need for repetitive calculation. Gibbs equation helps us to predict the spontaneity of a reaction on the basis of enthalpy and entropy values directly.

Ellingham diagram is a plot between Gibbs free energy and temperature.

In metallurgy, the Ellingham diagram is used to predict the equilibrium temperature between a metal, its oxide and oxygen, and by extension, reactions of a metal with sulphur, nitrogen and other.

Concept on Ellingham diagram & metallurgy

Ellingham diagram

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An Ellingham diagram normally consists of plots of change in the Gibbs energy with temperature for the formation of oxides. Ellingham diagram is actually a graph which shows the temperature dependence of the stability of compounds. Daha sonraları aynı diyagram sülfürlü, klorürlü, florürlü.