Interactions between point defects and grain boundaries: segregation
The real grain boundary - Effects of temperature and chemistry

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Interactions between point defects and grain boundaries: segregation


The real grain boundary - Effects of temperature and chemistry

Authors : Jean-Philippe COUZINIÉ, Brigitte DÉCAMPS, Louisette PRIESTER

Publication date: September 10, 2012, Review date: March 26, 2024 | Lire en français

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2. Interactions between point defects and grain boundaries: segregation

Segregation at grain boundaries results from the redistribution of solute (controlled addition or impurity) between crystals and boundaries during thermal or thermomechanical processing. For any polycrystalline material, solute enrichment at the joints has important consequences on structural and functional properties: brittleness or consolidation, intergranular corrosion, intergranular slippage, modification of electrical properties, etc. For comprehensive documentation on segregation, readers may refer to .

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