alloy systems that have some alloy compositions that can be treated in this way
are mainly non-ferrous, e.g. copper-aluminium and magnesium-aluminium.
Problems
1 Explain what is meant by a solid solution,
substitutional and interstitial solid solutions.
distinguishing between
Pure
nickel.
Time
Figure 3.26 Cooling curves for copper-nickel alloys
2 Figure 3.26 shows the cooling curves for copper-nickel alloys. Use these to
plot the copper-nickel thermal equilibrium diagram.
3 Use either Figure 3.5 or your answer to Problem 2 to determine the
liquidus and solidus temperatures for a 50 per cent copper-50 per
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