Abnormal or discontinuous grain growth, also referred to as exaggerated or secondary recrystallisation grain growth, is a grain growth phenomenon through which certain energetically favorable grains (crystallites) grow rapidly in a matrix of finer grains resulting in a bimodal grain size distribution. In ceramic materials this phenomenon can result in the formation of elongated prismatic, acicular (needle-like) grains in a densified matrix with implications for improved fracture toughness through the impedance of crack propagation.
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| - Abnormal grain growth (en)
- Crecimiento anormal del grano (es)
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| - Abnormal or discontinuous grain growth, also referred to as exaggerated or secondary recrystallisation grain growth, is a grain growth phenomenon through which certain energetically favorable grains (crystallites) grow rapidly in a matrix of finer grains resulting in a bimodal grain size distribution. In ceramic materials this phenomenon can result in the formation of elongated prismatic, acicular (needle-like) grains in a densified matrix with implications for improved fracture toughness through the impedance of crack propagation. (en)
- El crecimiento anormal del grano o crecimiento discontinuo del grano, también conocido como crecimiento de recristalización secundaria del grano o crecimiento exagerado del grano, es un fenómeno de a través del que, bajo ciertas condiciones energéticamente favorables, determinados granos (cristalitos) crecen rápidamente en una matriz de granos más finos, lo que resulta en una distribución de tamaños de granos . (es)
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| - Abnormal or discontinuous grain growth, also referred to as exaggerated or secondary recrystallisation grain growth, is a grain growth phenomenon through which certain energetically favorable grains (crystallites) grow rapidly in a matrix of finer grains resulting in a bimodal grain size distribution. In ceramic materials this phenomenon can result in the formation of elongated prismatic, acicular (needle-like) grains in a densified matrix with implications for improved fracture toughness through the impedance of crack propagation. (en)
- El crecimiento anormal del grano o crecimiento discontinuo del grano, también conocido como crecimiento de recristalización secundaria del grano o crecimiento exagerado del grano, es un fenómeno de a través del que, bajo ciertas condiciones energéticamente favorables, determinados granos (cristalitos) crecen rápidamente en una matriz de granos más finos, lo que resulta en una distribución de tamaños de granos . En las cerámicas, este fenómeno puede resultar en la formación de granos aciculares prismáticos alargados (como agujas) en una matriz densificada, lo que se traduce en una mejora de la resistencia a la fractura al impedirse la propagación de grietas. (es)
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