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Evolution of microstructure in an Al-Si system modified with the transition element addition and its effect on mechanicals properties. | |
HANSEL MANUEL MEDRANO PRIETO CARLOS GAMALIEL GARAY REYES CYNTHIA DEISY GOMEZ ESPARZA | |
Acceso Abierto | |
Sin Derechos Reservados | |
Al-System | |
The effect of transition element addition and solution treatment time on the microstructure and hardness of the Al-Si alloy were studied by Vickers microhardness, Rockwell B Hardness, X Ray Diffraction (XRD), Optical Microscopy (OM) and Scanning Electron Microscopy (SEM). The A319 alloy and the A319 alloys modified with Ni were solution treatment at 495 °C for 5 and 7h, quenching in water at 60 °C and aged at 170 °C for 0.5, 3, 5, 10 and 96 h. The Ni addition between 1 and 2 wt. % to the A319 alloy have a direct effect on the microstructure, the morphology, size and distribution of precipitates during aging heat treatment, as well as, favors the formation of the Al-Fe-Ni, Al-Ni-Cu- and Al3Ni2 intermetallic phases, additionally, the Ni presence reduce the Cu content in the matrix for the Al2Cu formation due formation of Al-Ni-Cu phases. | |
2015 | |
Memoria de congreso | |
Inglés | |
OTRAS | |
Versión revisada | |
submittedVersion - Versión revisada | |
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