Efecto del tamaño de probeta y orientación en la resistencia a la tracción y a la tenacidad a la fractura

J. Terán; J. L. González; J. M. Hallen; M. Martínez

doi:10.3989/revmetalm.2007.v43.i5.78

Efecto del tamaño de probeta y orientación en la resistencia a la tracción y a la tenacidad a la fractura

Translated title of the contribution: Specimen size effects on the tensile strength and fracture toughness

J. Terán, J. L. González, J. M. Hallen, M. Martínez

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

In this work, an experimental research was conducted to determine size and orientation effects on tension and toughness properties through CTOD-R curves, using standard and miniature specimens taken from a structural steel plate. Compliance function estimation for the miniature size samples through load-displacement curves was considered. Experimental and statistical results showed that size and orientation affect tension and toughness properties. The miniature tension test specimens showed strength values slightly greater than the standard ones but with less ductility. Miniature specimen CTOD-R curves showed sensibility to load changes and measurement method of crack aperture and crack length. Inconsistency in fracture toughness for specimen orientation longitudinal circumferential (LC) regarding size effect was also observed. Short orientations showed less strength and toughness than the other directions.

Translated title of the contribution	Specimen size effects on the tensile strength and fracture toughness
Original language	Spanish
Pages (from-to)	337-351
Number of pages	15
Journal	Revista de Metalurgia (Madrid)
Volume	43
Issue number	5
DOIs	https://doi.org/10.3989/revmetalm.2007.v43.i5.78
State	Published - 2007
Externally published	Yes

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10.3989/revmetalm.2007.v43.i5.78

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title = "Efecto del tama{\~n}o de probeta y orientaci{\'o}n en la resistencia a la tracci{\'o}n y a la tenacidad a la fractura",

abstract = "In this work, an experimental research was conducted to determine size and orientation effects on tension and toughness properties through CTOD-R curves, using standard and miniature specimens taken from a structural steel plate. Compliance function estimation for the miniature size samples through load-displacement curves was considered. Experimental and statistical results showed that size and orientation affect tension and toughness properties. The miniature tension test specimens showed strength values slightly greater than the standard ones but with less ductility. Miniature specimen CTOD-R curves showed sensibility to load changes and measurement method of crack aperture and crack length. Inconsistency in fracture toughness for specimen orientation longitudinal circumferential (LC) regarding size effect was also observed. Short orientations showed less strength and toughness than the other directions.",

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AU - Hallen, J. M.

AU - Martínez, M.

PY - 2007

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N2 - In this work, an experimental research was conducted to determine size and orientation effects on tension and toughness properties through CTOD-R curves, using standard and miniature specimens taken from a structural steel plate. Compliance function estimation for the miniature size samples through load-displacement curves was considered. Experimental and statistical results showed that size and orientation affect tension and toughness properties. The miniature tension test specimens showed strength values slightly greater than the standard ones but with less ductility. Miniature specimen CTOD-R curves showed sensibility to load changes and measurement method of crack aperture and crack length. Inconsistency in fracture toughness for specimen orientation longitudinal circumferential (LC) regarding size effect was also observed. Short orientations showed less strength and toughness than the other directions.

AB - In this work, an experimental research was conducted to determine size and orientation effects on tension and toughness properties through CTOD-R curves, using standard and miniature specimens taken from a structural steel plate. Compliance function estimation for the miniature size samples through load-displacement curves was considered. Experimental and statistical results showed that size and orientation affect tension and toughness properties. The miniature tension test specimens showed strength values slightly greater than the standard ones but with less ductility. Miniature specimen CTOD-R curves showed sensibility to load changes and measurement method of crack aperture and crack length. Inconsistency in fracture toughness for specimen orientation longitudinal circumferential (LC) regarding size effect was also observed. Short orientations showed less strength and toughness than the other directions.

KW - CTOD-R curves

KW - Compliance function

KW - Fracture toughness

KW - Miniature compact tension specimen

KW - Tensile properties

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Efecto del tamaño de probeta y orientación en la resistencia a la tracción y a la tenacidad a la fractura

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