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

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URI: https://hdl.handle.net/11556/3619
ISSN: 0267-0836
DOI: 10.1179/026708301101510023
Publication date
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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General Materials Science , Condensed Matter Physics , Mechanics of Materials , Mechanical Engineering
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journal article
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Atxaga , G , Pelayo , A & Irisarri , A M 2001 , ' Effect of microstructure on fatigue behaviour of cast Al-7Si-Mg alloy ' , Materials Science and Technology , vol. 17 , no. 4 , pp. 446-450 . https://doi.org/10.1179/026708301101510023