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Análisis de la tenacidad a la fractura en la zona afectada por el calor (ZAC) de un acero HSLA

Authors: Viseras Pico, Manuel; Carnero Moya, María del Carmen; González Palma, Rafael; Muñoz Rubio, Aurelio Francisco;

Análisis de la tenacidad a la fractura en la zona afectada por el calor (ZAC) de un acero HSLA

Abstract

Con la aportación original del trabajo experimental de investigación aquí realizado, se pretende asegurar que la tenacidad a la fractura KIC en la zona afectada por el calor (ZAC) del acero USITEN 355 0,5 Ni grado I, produce un CTOD (?) (Crack Tip Opening Displacement) con valores dentro de la norma, haciendo compatible el acero con el procedimiento de soldadura utilizado y la energía calorífica aportada de 2 kJ /mm, comprobando que el mecanismo de frenado del tamaño de grano llevado a cabo por los microaleantes (V, Nb, Al) del metal base funcionan conforme lo previsto. Además, se intenta asegurar, en la medida de lo posible, una correlación entre los parámetros de soldadura y los resultados obtenidos en los ensayos de fractura, de tal forma que, si los resultados obtenidos en los ensayos no fueran satisfactorios, se pudiese aplicar la solución adecuada en el soldeo para que los parámetros que regulan los ensayos de fractura sean aceptables. El trabajo aquí desarrollado es útil como guía y referencia para futuros trabajos de investigación de mecánica de la fractura en aceros microaleados.

Country
Spain
Related Organizations
Keywords

SMAW, ZAC, energía calorífica aportada, Tenacidad a la fractura, HSLA, CTOD

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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