8.21 - Consider an alloy containing 70 wt % Ni and 30 wt % CU. 1) At 1350°C, make a phase analysis assuming equilibrium conditions. In the phase analysis, include the following: a) What phases are present? b) What is the chemical composition of each phase? c) What amount of each phase is present? 2) Make a similar phase analysis at 1500°C. 3) Sketch the microstructure of the alloy at each of these temperatures by using circular microscopic fields.

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8.21 - Consider an alloy containing 70 wt % Ni and 30 wt % CU.
1) At 1350°C, make a phase analysis assuming equilibrium conditions. In the phase analysis,
include the following:
a) What phases are present?
b) What is the chemical composition of each phase?
c) What amount of each phase is present?
2) Make a similar phase analysis at 1500°C.
3) Sketch the microstructure of the alloy at each of these temperatures by using circular
microscopic fields.
Transcribed Image Text:8.21 - Consider an alloy containing 70 wt % Ni and 30 wt % CU. 1) At 1350°C, make a phase analysis assuming equilibrium conditions. In the phase analysis, include the following: a) What phases are present? b) What is the chemical composition of each phase? c) What amount of each phase is present? 2) Make a similar phase analysis at 1500°C. 3) Sketch the microstructure of the alloy at each of these temperatures by using circular microscopic fields.
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