Production and Electrolysis of Light Metals 1989
DOI: 10.1016/b978-0-08-037295-2.50020-x
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Influence of solution treatment on tensile properties of Sr-modified Al-Si-Mg alloys

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Cited by 26 publications
(34 citation statements)
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“…Similar changes in the distribution of the shape factor for Si particles are observed by increasing the solution temperature, that is the number fraction of the particles with a shape factor of greater than 0.5 increases by approximately 10% (Zhang et al, 2002). Earlier works (Shivkumar et al, 1990b) showed that extremely high coarsening occurred at temperatures greater than 540°C for A356.2 alloys. However, the major problem associated with higher heat treatment temperatures remains the liquid phase formation, which increases with temperature.…”
Section: Partial Meltingsupporting
confidence: 54%
“…Similar changes in the distribution of the shape factor for Si particles are observed by increasing the solution temperature, that is the number fraction of the particles with a shape factor of greater than 0.5 increases by approximately 10% (Zhang et al, 2002). Earlier works (Shivkumar et al, 1990b) showed that extremely high coarsening occurred at temperatures greater than 540°C for A356.2 alloys. However, the major problem associated with higher heat treatment temperatures remains the liquid phase formation, which increases with temperature.…”
Section: Partial Meltingsupporting
confidence: 54%
“…Shivkumar et al 23 ont étudié l'effet de la modification par le strontium pour l'alliage On remarque que l'écart entre le pourcentage surfacique de porosités et la différence entre la surface moyenne des pores est relativement faible, et ce pour l'alliage E comparé à E2S. Également, dans les alliages modifiés, la densité des particules de silicium est deux fois supérieure à celle des alliages non-modifiés, et ce pour des durées de mise en solution de 0, 30 et 60 heures ce qui reviens à dire que la distance moyenne entre deux particules consécutives de silicium dans l'alliage E2S est inférieure à l'alliage E. Par conséquent, la fraction surfacique supérieure de l'aluminium dans les alliages non-modifiés, explique pourquoi l'allongement à la rupture est aussi élevée que 14%.…”
Section: Effet De La Durée De Mise En Solutionunclassified
“…However, with an increase in strength comes a decrease in ductility. Lower aging temperatures/times are sometimes used to improve ductility [6][7][8][9]. An increase in elongation was furthermore observed with a reduction in quench temperature, along with a natural aging step in between quenching and artificial aging [10][11][12].…”
Section: Methodsmentioning
confidence: 99%