Effect of microstructure on fatigue behaviour of cast Al-7Si-Mg alloy

G. Atxaga; A. Pelayo; A. M. Irisarri

doi:10.1179/026708301101510023

Effect of microstructure on fatigue behaviour of cast Al-7Si-Mg alloy

G. Atxaga^*, A. Pelayo, A. M. Irisarri

^*Autor correspondiente de este trabajo

Producción científica: Contribución a una revista › Artículo › revisión exhaustiva

74 Citas (Scopus)

Resumen

The fatigue behaviour of a cast Al-7Si-Mg alloy, conforming to A356, has been studied. Specimens of this material were tested in both the as cast condition and a solution treated and aged condition. It was observed that the size, number, and position of casting defects influenced the fatigue life very strongly. This marked effect nearly hides that of the heat treatment. Nevertheless, if the analysis is carried out considering only results obtained from sound specimens it is revealed that the heat treatment causes an improvement in the fatigue resistance of the alloy.

Idioma original	Inglés
Páginas (desde-hasta)	446-450
Número de páginas	5
Publicación	Materials Science and Technology
Volumen	17
N.º	4
DOI	https://doi.org/10.1179/026708301101510023
Estado	Publicada - 2001

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abstract = "The fatigue behaviour of a cast Al-7Si-Mg alloy, conforming to A356, has been studied. Specimens of this material were tested in both the as cast condition and a solution treated and aged condition. It was observed that the size, number, and position of casting defects influenced the fatigue life very strongly. This marked effect nearly hides that of the heat treatment. Nevertheless, if the analysis is carried out considering only results obtained from sound specimens it is revealed that the heat treatment causes an improvement in the fatigue resistance of the alloy.",

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N2 - The fatigue behaviour of a cast Al-7Si-Mg alloy, conforming to A356, has been studied. Specimens of this material were tested in both the as cast condition and a solution treated and aged condition. It was observed that the size, number, and position of casting defects influenced the fatigue life very strongly. This marked effect nearly hides that of the heat treatment. Nevertheless, if the analysis is carried out considering only results obtained from sound specimens it is revealed that the heat treatment causes an improvement in the fatigue resistance of the alloy.

AB - The fatigue behaviour of a cast Al-7Si-Mg alloy, conforming to A356, has been studied. Specimens of this material were tested in both the as cast condition and a solution treated and aged condition. It was observed that the size, number, and position of casting defects influenced the fatigue life very strongly. This marked effect nearly hides that of the heat treatment. Nevertheless, if the analysis is carried out considering only results obtained from sound specimens it is revealed that the heat treatment causes an improvement in the fatigue resistance of the alloy.

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Effect of microstructure on fatigue behaviour of cast Al-7Si-Mg alloy

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