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Criterios de diseño con tolerancia de daño-prevención de fallas catastróficas
Keywords:
Tratamiento térmico de acero, Deformación plástica, Mecánica de fractura (es)Heat treatment, Plastic deformation, Fracture mechanics, Fracture of steels (en)
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Como una tercera etapa, en el grupo de investigación “Tratamientos Termoquímicos de los Aceros” se ha venido trabajando en la optimización del tratamiento térmico con criterio de tolerancia de daño en aceros de construcción de elementos de máquinas. En este artículo apoyándose en unos primeros resultados experimentales y en conceptos de mecánica de fractura se describen recomendaciones de diseño con tolerancia de daño y se muestra cómo en la selección de un acero y de su tratamiento térmico se debe hacer un cuidadoso balance de resistencia-tenacidad de fractura de acuerdo a un riesgo de falla aceptable.
References
ASTM, Review of Developments in plane Strain Fracture Toughness Testing.
D. Broek, Elementary Engineering Fracture Mechanics. Ed. Nijhoff.
R. W. Hertzberg, Deformation and Fracture Mechanics of Engineering Materials. Ed. Wiley.
George E. Dieter, Mechanical Metallurgy. Ed. J. Wiley.
D. Broek, Damage Tolerance Analysis, Ed. Fracture Research.
ASM, Application of Fracture Mechanics, Ed. ASM.
A.S. Tetelman, Fracture of Structural Materials, Ed. J. Wiley.
ASM, Failure Analysis and prevention, Ed. ASM, vol. 10, 8va ed.
ASM, Toughness and Fracture Mechanics, Ed. ASM.
Alan P. Berens, Fatigue Crack Growth Date Analysis, Ed. ASM.
H. Hernández, Análisis de Fallas por Fatiga, Ed. INACERO.
H. Hernández, Análisis de Falla de Alambrón de Refuerzo de Tuberías Pre-esforzadas, Ed. INACERO.
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Copyright (c) 1987 Héctor Hernández A.
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