Describe the phases present at the eutectic temperature when the overall composition is x(Cu)= 0.5

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Describe the phases present at the eutectic temperature when the overall composition is x(Cu)= 0.5

This image represents a phase diagram for a binary alloy system of Silver (Ag) and Copper (Cu). The diagram plots temperature (T) in Kelvin (K) on the vertical axis against the mole fraction of copper [x(Cu)] on the horizontal axis.

### Key Features:

- **Temperature Range:** The temperature axis ranges from 300 K to 1400 K.

- **Composition Range:** The composition ranges from pure Ag (x=0) to pure Cu (x=1).

- **Phases:**
  - **Liquid Phase:** The upper region is labeled "Liquid," indicating that above this line, the alloy exists in a liquid state.
  - **Solid Phase (FCC):** Multiple regions are marked "Fcc" (Face-Centered Cubic), indicating solid-phase formation in this crystalline structure.

- **Lines and Curves:**
  - The **liquidus line** demarcates the boundary between liquid and solid-liquid mixtures.
  - The **solidus line** lies below the liquidus line and separates solid-liquid mixtures from wholly solid phases.

- **Critical Point:** A specific point is annotated on the diagram, suggesting special interest, such as a eutectic, peritectic, or azeotropic point.

This diagram is crucial for understanding the phase transitions and solidification behavior of the Ag-Cu alloy system.
Transcribed Image Text:This image represents a phase diagram for a binary alloy system of Silver (Ag) and Copper (Cu). The diagram plots temperature (T) in Kelvin (K) on the vertical axis against the mole fraction of copper [x(Cu)] on the horizontal axis. ### Key Features: - **Temperature Range:** The temperature axis ranges from 300 K to 1400 K. - **Composition Range:** The composition ranges from pure Ag (x=0) to pure Cu (x=1). - **Phases:** - **Liquid Phase:** The upper region is labeled "Liquid," indicating that above this line, the alloy exists in a liquid state. - **Solid Phase (FCC):** Multiple regions are marked "Fcc" (Face-Centered Cubic), indicating solid-phase formation in this crystalline structure. - **Lines and Curves:** - The **liquidus line** demarcates the boundary between liquid and solid-liquid mixtures. - The **solidus line** lies below the liquidus line and separates solid-liquid mixtures from wholly solid phases. - **Critical Point:** A specific point is annotated on the diagram, suggesting special interest, such as a eutectic, peritectic, or azeotropic point. This diagram is crucial for understanding the phase transitions and solidification behavior of the Ag-Cu alloy system.
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