| Microstructure and wear characteristics on Al alloy matrix composite reinforced with Ni perform
Wonjo Park, Cheolhong Park, Hyungjin Kim and Sunchul Huh*
The Journal of Mechanical Science and Technology, vol. 26, no. 6, pp.1741-1746, 2012
Abstract : Al based composite reinforced with Nickel is used for diesel engine piston, because the thermal properties, strength and corrosion resistant
are for better than Al alloy alone. For processing, the intermetallic compounds of Ni and Al improves wear resistance due to its
high hardness. Existing process methods for MMC (metal matrix composite) using preform were manufactured under high-pressure.
However, this causes deformation of the preform or weaknesses in the completed MMC. Low-pressure infiltration can prevent these
problems, and there is an advantage of cost reduction in of production with small-scale of production equipment. In this study, the microstructure
and wear characteristics of Al-based composite with Ni preform as reinforcement with low-pressure infiltration was analyzed.
Keyword : Wear characteristics; Intermetallic compound; Perform; Low pressure infiltration; MMC |
