SiC particulate-reinforced, aluminium-matrix composite rods and wires produced by a new continuous casting route

The feasibility of applying the Ohno continuous casting (OCC) process for fabricating net-shape MMC welding rods and wires has been examined using Al-Si and Al-Cu-Si alloys containing 8–11 vol% SiC particles. It was confirmed that MMC rods 4 mm in diameter and wires 2 mm in diameter could in fact be...

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Bibliographic Details
Published in:Composites. Part A, Applied science and manufacturing Applied science and manufacturing, 1997, Vol.28 (2), p.153-162
Main Authors: McLean, A., Soda, H., Xia, Q., Pramanick, A.K., Ohno, A., Motoyasu, G., Shimizu, T., Gedeon, S.A., North, T.
Format: Article
Language:English
Subjects:
Applied sciences
cast MMC wire
continuous casting
Dispersion hardening metals
Exact sciences and technology
heated mould
Metals. Metallurgy
net-shape casting
OCC process
Powder metallurgy. Composite materials
Production techniques
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Summary:The feasibility of applying the Ohno continuous casting (OCC) process for fabricating net-shape MMC welding rods and wires has been examined using Al-Si and Al-Cu-Si alloys containing 8–11 vol% SiC particles. It was confirmed that MMC rods 4 mm in diameter and wires 2 mm in diameter could in fact be produced by the OCC process. For both rods and wires, it was found that the distribution of SiC particles was relatively uniform. It was also found that an angle-entry channel must be used to avoid clogging of the channel inlet. Furthermore, faster casting speeds assisted particle incorporation into the wire. Casting speeds employed were between 0.2 and 1.1 m min−1.
ISSN:1359-835X
1878-5840
DOI:10.1016/S1359-835X(96)00107-8