GG stands for various terms. Discover the full forms, meanings, and possible interpretations of GG across different fields and industries.
An increase in the average grain size; resulting from some crystals absorbing adjacent ones when the metal is raised to a temperature above that necessary for re-crystallization and kept at that temperature for a sufficient length of time. An increase in the average size of the grains in polycrystalline metal or alloy, usually a result of heating at elevated temperature.
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