Lightweight metal matrix nano-composites (MMNCs) (metal matrix with nano-sized ceramic particles) can be of significance for automobile, aerospace and numerous other applications. It would be advantageous to produce low-cost as-cast bulk lightweight components of aluminum based MMNCs. However, it is extremely difficult to disperse nano-sized ceramic particles uniformly in molten aluminum. In this paper, a high power ultrasonic probe is used to disperse nano-size SiC particles in aluminum alloy A356. Experiment results show that the ultrasonic cavitation based dispersion of naoparticles in molten aluminum alloy is effective. The uniform nano particle dispersion resulted in significantly improved mechanical properties. Various nanopartilce feeding techniques were investigated and experimental results are presented.

Volume Subject Area:
Manufacturing (Research Oriented)
Topics:
Aluminum, Cavitation, Manufacturing, Nanocomposites, Nanoparticles, Solidification, Particulate matter, Aluminum alloys, Ceramics, Metals, Aerospace industry, Automobiles, Mechanical properties, Probes
1.
S. Suresh, A. Mortensen, A. Needleman, Fundamentals of Metal Matrix Composites, Published by Butterworth-Heinemann, 1993
2.
Tong
X. C.
and
Fnag
H. S.
,
Al-Tic composites in situ-processed by ingot metallurgy and rapid solidification technology: Part 1 Microstructural Evolution
,
Metallurgical and Materials Transactions
,
V29A
(
1998
) pp.
875
–
891
3.
Rawal
Suraj
,
Metal-matrix composites for space applications
,
JOM
, v
53
(
2001
), pp.
14
–
17
4.
Arsenault
R. J.
,
Wang
L.
and
Feng
C. R.
,
Strengthening of composites due to microstructural changes in the matrix
,
Acta Metal. Mater.
V39
(
1990
), n
1
, pp.
47
–
57
5.
Nardone
V. C.
and
Prewo
K. M.
,
On the strength of discontinuous silicon carbide reinforced aluminum composites
,
Scripta Metallugica
,
V20
(
1986
), pp.
43
–
48
6.
Ramakrishnan
N.
,
An analytical study on strengthening of particulate reinforced metal matrix composites
,
Acta Mater.
V
44
(
1996
), No.
1
, pp.
69
–
77
7.
Y-W. Kim and W.M. Griffith, Dispersion strengthened aluminum alloys, Publication of TMS, (1998)
8.
Arsenault
R. J.
,
The strengthening of aluminum alloy 6061 by fiber and platelet silicon carbide
,
Materials Science and Engineering A
,
V64
(
1983
), pp.
171
–
181
9.
Yamasaki
T.
,
Zheng
Y. J.
,
Ogino
Y.
,
Terasawa
M.
,
Mitamura
T.
,
Fukami
T.
,
Formation of metal-TiN/TiC nanocomposite powders by mechanical alloying and their consolidation
,
Materials Science and Engineering A
,
V350A
(
2003
), pp.
168
–
172
10.
Jianhong
H E
,
Michael
Ice
,
Dallek
S
, et al
Synthesis of Nanostructured WC-12 pct Co coating using mechanical milling and high velocity oxygen fuel thermal spraying
,
Metall Mat. Trans A
,
V31A
(
2000
), pp.
541
–
553
11.
Tong
X. C.
and
Fnag
H. S.
,
Al-Tic composites in situ-processed by ingot metallurgy and rapid solidification technology: Part 1 Microstructural Evolution
,
Metallurgical and Materials Transactions
,
V29A
, pp.
875
–
891
12.
Tong
X. C.
and
Fnag
H. S.
,
Al-Tic composites in situ-processed by ingot metallurgy and rapid solidification technology: Part 2 mechanical behavior
,
Metallurgical and Materials Transactions
,
V29A
, pp.
893
–
902
13.
Sette
D.
and
Wanderlingh
F.
,
Nucleation by Cosmic Rays in Ultrasonic Cavitation
,
Phys. Rev.
V125
(
1962
), pp.
409
–
417
14.
Wilde
G.
and
Perepezko
J. H.
,
Experimental Study of Particle Incorporation During Dendritic Solidification
,
Mat. Sci. Eng.
A
283
(
2000
) pp.
25
25
15.
Leighton, T.G., The Acoustic Bubble. London: Academic, 1994
16.
Suslick
S.
,
Didenko
Y.
,
Fang
M. M.
,
Hyeon
T.
,
Kolbeck
K. J.
,
McNamara
W. B.
,
Midleleni
M. M.
, and
Wong
M.
,
Phil. Trans. R. Soc. Lond.
A357
(
1999
)
335
–
353
17.
Nyborg, W.L.M., “Acoustic Streaming,” in Physical Acoustics, Mason, W.P., Ed., Academic Press, New York, 1965, p. 355–358
18.
Campbell
J.
,
Int. Met. Reviews
,
2
(
1981
), p.
71
71
19.
Abramov, O.V., Ultrasound in Liquid and Solid Metals, Boca Raton, FL: CRC Press, 1994, p. 289
20.
Ibrahim
A.
,
Mohamed
F. A.
,
Lavernia
E. J.
,
Particulate Reinforced metal matrix composites-a review
,
Journal of Materials Science
26
(
1991
)
1137
–
1156
21.
Ma
L.
,
Chen
F.
,
Shu
G.
,
Preparation of fine particulate reinforced metal matrix composites by high intensity ultrasonic treatment
,
Journal of Materials Science letters
14
(
1995
),
649
–
650
22.
Keppens, P., Mandrus, D., Rankin, J., Boatner, L.A., the formation of metal/metal-matrix nanocomposites by the ultrasonic dispersion of immiscible liquid metals, Mat. Res. Soc. Symp. Proc, Vol. 457, Materials Research Society, 1997
23.
Nakanishi
Haruyuki
,
Tsunekawa
Yoshiki
,
Mohri
Natotake
,
Okumiya
Masahiro
and
Niimi
Itaru
,
Influence of ultrasonic vibration on the wettability
,
Light Metal
,
V43
(
1993
) pp.
8
–
13
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