Evolution of Microstructure in Al-Si-Cu System Modified with a Transition Element Addition and its Effect on Hardness

The effect of Ni 1-2 wt.% addition on the microstructure and hardness of the aged A319 alloy were studied. Characterization analyses by x-ray diffraction, optical microscopy and scanning electron microscopy suggest clearly that Ni addition forms Al-Ni-Cu-Fe, Al-Cu-Ni and Al-Ni intermetallic compound...

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Bibliographic Details
Published in:	Materials Research
Main Authors:	Hansel Manuel Medrano-Prieto, Carlos Gamaliel Garay-Reyes, Cynthia Deisy Gómez-Esparza, Joaquín Aguilar-Santillán, María Cristina Maldonado-Orozco, Roberto Martínez-Sánchez
Format:	Article
Language:	English
Published:	Associação Brasileira de Metalurgia e Materiais (ABM); Associação Brasileira de Cerâmica (ABC); Associação Brasileira de Polímeros (ABPol) 2016-08-01
Subjects:	Aluminum A319 Alloy Vickers micro-hardness Heat Treatment Precipitation hardening
Online Access:	http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392016000700059&tlng=en

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