A distinct crystal structure of a metal or alloy.
The structure can either be simple, for example ferrite – pure iron, or complex, for example pearlite – alternate platelets (small plates) of cementite and ferrite. To qualify as a phase, the structure must exist within a certain temperature range and composition limits.
A graph which shows the temperature and composition limits of phases is called a phase diagram.
A distinct crystal structure of a metal or alloy.
The structure can either be simple, for example ferrite – pure iron, or complex, for example pearlite – alternate platelets (small plates) of cementite and ferrite. To qualify as a phase, the structure must exist within a certain temperature range and composition limits.
A graph which shows the temperature and composition limits of phases is called a phase diagram.
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