2010
DOI: 10.1522/030147584
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Improving the performance of 354 type alloy /

Abstract: PAR JACOBO HERNANDEZ SANDOVAL AMELIORATION DE LA PERFORMANCE DES ALLIAGES DE TYPE 354AOUT 2010 RESUME En plus de réduire le poids des véhicules et de diminuer la consommation de carburant et les émissions polluantes, les efforts de recherche en cours dans l'industrie automobile ont été axées sur l'amélioration des performances à haute température des composants clés du moteur en particulier en ce qui concerne la préservation des propriétés mécaniques des alliages d'aluminium moulés utilisés dans ces composants… Show more

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Cited by 16 publications
(6 citation statements)
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“…For the Ni-containing alloys, enhancements in the strength values can be correlated to the formation of Nicontaining intermetallic compounds such as Al 9 FeNi, Al 3 CuNi, and Al 3 Ni, which can hinder the propagation of cracks; similar findings are reported in previous studies [11,16]. Increasing the Ni content from 2 wt.% to 4 wt.% inversely affects the tensile properties at room temperature.…”
Section: Ambient-temperature Tensilesupporting
confidence: 85%
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“…For the Ni-containing alloys, enhancements in the strength values can be correlated to the formation of Nicontaining intermetallic compounds such as Al 9 FeNi, Al 3 CuNi, and Al 3 Ni, which can hinder the propagation of cracks; similar findings are reported in previous studies [11,16]. Increasing the Ni content from 2 wt.% to 4 wt.% inversely affects the tensile properties at room temperature.…”
Section: Ambient-temperature Tensilesupporting
confidence: 85%
“…Testing. In the present study, the sole addition of ∼0.3 wt.% Zr to the 354-type Al-Si-Cu-Mg cast alloy (i.e., the base alloy M1S) in the as-cast condition enhances the ambient-temperature strength values of the Zr-free 354 alloy (alloy A) used in previous investigations in the same group by Hernandez-Sandoval [16], by ∼26 MPa (UTS) and 40 MPa (YS), respectively. ese enhancements in the strength values are accompanied by a limited reduction in the alloy ductility (∼0.054%).…”
Section: Ambient-temperature Tensilesupporting
confidence: 46%
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“…e Mg/Si ratio, the Cu/Mg ratio, as well as the Cu and Si contents are all principal controlling factors which determine the main precipitation-hardening phases in Al-Cu-Mg-Si alloys. e strengthening mechanism results from an age-hardening treatment which depends on the interaction between the moving dislocations and the precipitated phases [17][18][19]. e addition of copper to Al-Si alloys leads to the formation of the copper intermetallic phase, which increases the alloy strength both at room and at high temperatures.…”
Section: Introductionmentioning
confidence: 99%