For a 68 wt% Zn-32 wt% Cu alloy, make schematic sketches of the microstructure that would be observed for conditions of very slow cooling at the following temperatures: 1000C (1830F), 760C (1400F), 600C (1110F), and 400C (750F). Label all phases and indicate their approximate compositions.

-At 1000°C, liquid phase at 68 wt% Zn

-At 760°C, liquid+γ phase, liquid at 74 wt% and 66 wt% γ phase

-At 600°C, γ phase

-At 400°C, γ phase

Explanation:

The phase diagram will be used for the combination of the copper-zinc alloy, first 68% by weight of Zn will be located on the axis corresponding to the composition. Draw a vertical line upwards and go through the temperatures given by the exercise 1000, 760, 600 and 400 ° C. Later you have to know the phases for each of the temperatures. Draw a horizontal line within each phase and look at the adjacent phases and the composition of the alloy. For each of the temperatures, the phases are in response and the drawings are attached to the image.

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explanation:

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explanation:

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