MMC components used for braking, armor, and other common structural and wear applications. Specific com- mercial products that this study will immediately influence are shown in Figure 7; however, this project will also influence products outside REL through the published findings and as- sociation with AFS. The benefit from this study will come in the form of cost savings due to the reduction of solution treatment and aging times re- quired to treat the parts, corresponding to reduced manufacturing cycle times and reduced energy consumption.


ACKNOWLEDGEMENTS AND INDUSTRY PARTNERS


The authors would like to thank AFS for the financial and technical support to complete this work. Also thanks to the AFS 2F composites committee for the technical support. Steering Com- mittee members: Mike Black, Jerry Gegel, Bruce Cox and Dan White. Thanks also to Eck Industries for the donation of Duralcan alloy and David Weiss for his constructive comments on this work.


REFERENCES


1. Miracle, D.B., “Metal Matrix Composites-From Science to Technological Significance,” Composites Science and Technology, vol. 65, pp. 2526- 2540 (2005).


2. Rittner, M., “Metal Matrix Composites in 21st


Century: Markets and Opportunities,”


Figure 6. UTS and Strain Data vs. Solution Time (319-Saffil Composites).


Figure 7. REL’s product applications are affected by this heat treatment study (left to right: selectively reinforced Al-MMC brake drum, motorcycle brake rotor, and automotive rotor).


64 International Journal of Metalcasting/Winter 11


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