Lightweight metal–matrix nanocomposites (MMNCs) (metal matrix with nanosized ceramic particles) can be of significance for automobile, aerospace, and numerous other applications. It would be advantageous to develop effective nanomanufacturing methods for fabrication of bulk components of aluminum based MMNCs through solidification processing. However, it is extremely difficult to disperse nanosized ceramic particles uniformly in molten aluminum. In this paper, a high power ultrasonic probe is used to disperse nanosized SiC particles into molten aluminum alloy A356. Experimental results show that the ultrasonic cavitation based dispersion of nanoparticles in molten aluminum alloy is effective. The uniform nanoparticle dispersion in the Al alloy matrix resulted in significantly improved mechanical properties. To enhance the nanomanufacturing efficiency, various nanoparticle feeding techniques were explored and experimental results are presented.
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e-mail: xcli@cae.wisc.edu
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June 2007
Technical Papers
Ultrasonic Cavitation Based Nanomanufacturing of Bulk Aluminum Matrix Nanocomposites
Yong Yang,
Yong Yang
Department of Mechanical Engineering,
University of Wisconsin-Madison
, 1513 University Avenue, Madison WI 53706
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Xiaochun Li
Xiaochun Li
Department of Mechanical Engineering,
e-mail: xcli@cae.wisc.edu
University of Wisconsin-Madison
, 1513 University Avenue, Madison WI 53706
Search for other works by this author on:
Yong Yang
Department of Mechanical Engineering,
University of Wisconsin-Madison
, 1513 University Avenue, Madison WI 53706
Xiaochun Li
Department of Mechanical Engineering,
University of Wisconsin-Madison
, 1513 University Avenue, Madison WI 53706e-mail: xcli@cae.wisc.edu
J. Manuf. Sci. Eng. Jun 2007, 129(3): 497-501 (5 pages)
Published Online: February 5, 2006
Article history
Received:
September 27, 2005
Revised:
February 5, 2006
Citation
Yang, Y., and Li, X. (February 5, 2006). "Ultrasonic Cavitation Based Nanomanufacturing of Bulk Aluminum Matrix Nanocomposites." ASME. J. Manuf. Sci. Eng. June 2007; 129(3): 497–501. https://doi.org/10.1115/1.2714583
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