Also known as: PD$
PD stands for various terms. Discover the full forms, meanings, and possible interpretations of PD across different fields and industries.
A graphic representation of the equilibrium temperature and composition limits of phase fields reactions in an alloy system. In a binary system, temperature is usually the ordinate and composition the abscissa. Ternary and more complex systems require several two-dimensional diagrams to show the temperature – composition variables completely. A map that shows which phases of a sample are most stable for a given set of conditions.
The distortion that occurs in an instrument when the relative phases of the input signal differ from those of the output signal.
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