International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Call for Papers | Fully Refereed | Open Access | Double Blind Peer Reviewed

ISSN: 2319-7064


Downloads: 126

Research Paper | Material Science and Engineering | Turkey | Volume 8 Issue 2, February 2019


Microstructure and Mechanical Properties of Al-20 wt% Si-9 wt% Fe-1.2 wt% Nb Alloy by the Addition of 6 wt%Ni

M. Fatih Kilicaslan | Salaheddin Altaib


Abstract: This study demonstrates the potential of the Al-Si-Fe-Nb system as a new precipitation hardenable aluminium alloy by addition TM alloying elements. The mentioned aluminium alloy was prepared with nominal composition Al-20Si-9Fe-1.2Nb (at wt %) as a conventional cast alloy, and again prepared with composition Al-20Si-9Fe-1.2Nb-6Ni (at wt %) to be compared with each other in order to investigate the effect of Ni addition. Experimental samples of these alloys are synthesised and analysed by optical microscopy (OM) and Micro-hardness techniques. Results show that the three-phase region of Al-Si-Fe-Nb alloy were -Al, primary Si and -Al (FeNb) Si phases, while the four-phase region of the alloy after Ni addition were -Al, primary Si, -Al (FeNiNb) Si and -Al (FeNiNb) Si phases. The highest hardness of 114 Hv was obtained for the Al-Si-Fe-Nb-Ni alloy which is relatively higher than that of Al-Si-Fe-Nb alloy (101 Hv).


Keywords: Conventional cast, Al-alloy, microstructure, Intermetallic compounds


Edition: Volume 8 Issue 2, February 2019,


Pages: 1095 - 1097


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How to Cite this Article?

M. Fatih Kilicaslan, Salaheddin Altaib, "Microstructure and Mechanical Properties of Al-20 wt% Si-9 wt% Fe-1.2 wt% Nb Alloy by the Addition of 6 wt%Ni", International Journal of Science and Research (IJSR), Volume 8 Issue 2, February 2019, pp. 1095-1097, https://www.ijsr.net/get_abstract.php?paper_id=ART20195321

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