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Fracture toughness (K_IC) is resistance to crack propagation: higher means harder to break even with flaws.
Guía paso a paso
- 1Input material properties and defect size
- 2Calculate stress intensity factor
- 3Determine fracture criterion
Ejemplos resueltos
Entrada
Steel K_IC ≈ 100 MPa√m (tough)
Resultado
vs. Ceramic K_IC ≈ 5 MPa√m (brittle)
Errores comunes a evitar
- ✕Confusing toughness with strength
- ✕Not accounting for stress concentration
Preguntas frecuentes
Why do ceramics have low toughness?
No crack blunting mechanism; brittle failure from small flaws.
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