GB stands for various terms. Discover the full forms, meanings, and possible interpretations of GB across different fields and industries.
Bounding surface between crystals. When alloys yield new phases grain boundaries are the preferred location for the appearance fo the new phase. Certain deterioration such as season cracking and caustic embrittlement, occur almost exclusively at grain boundaries.
PhysicsScientific & EducationalGround ice is used to denote bodies of more or less clear ice in permanently frozen ground. Ground ice may occur as pore ice, segregated or Taber ice, foliated or icewedge ice, pingo ice, and buried ice.
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