Transactions of Nonferrous Metals Society of China The Chinese Journal of Nonferrous Metals

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中国有色金属学报(英文版)

Transactions of Nonferrous Metals Society of China

Vol. 26    No. 2    February 2016

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Effects of reciprocating extrusion process on mechanical properties of AA 6061/SiC composites
Veysel ERTURUN1, M. Baki KARAMI?2

1. Faculty of Aeronautics and Astronautics/Airframes and Powerplants, Erciyes University, Kayseri 38039, Turkey;
2. Department of Mechanical Engineering, Erciyes University, Kayseri 38039, Turkey

Abstract:A reciprocating extrusion (RE) process was used to improve the mechanical properties of Al-based composite manufactured using cast and powder metallurgy (PM). AA 6063 cast and AA 6061 powders were used as the matrix materials, and the matrix was reinforced by 5% SiC (volume fraction) particles. The hardness and grain size of extruded samples decrease with increasing the number of extrusion pass, while the toughness and ductility increase. As the tensile strength of the samples decreases, the elongation of the extruded samples increases. Consequently, reciprocating extrusion is an effective method for improving the mechanical properties of metal matrix composites (MMC).

 

Key words: reciprocating extrusion; metal-matrix composites; aluminum alloy; mechanical properties

ISSN 1004-0609
CN 43-1238/TG
CODEN: ZYJXFK

ISSN 1003-6326
CN 43-1239/TG
CODEN: TNMCEW

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