Abstract
Reactions between SiC and liquid aluminium were studied. Transmission electron microscopy (TEM) showed that aluminium carbide (Al4C3) phase was formed at the interface between pressureless sintered SiC and aluminium. In contrast, the Al4C3 phase was not detected at the reaction sintered SiC-Al interface. This difference in microstructures results in the change in bending strength of the joints. Mixtures of SiC and aluminium powders were heated to react in vacuum in the temperature range 973 to 1473 K and the reaction products were examined using X-ray powder diffraction. It was confirmed that Al4C3 and silicon were formed, and that the extent of reaction between SiC and aluminium was decreased by the addition of silicon into aluminium.
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Iseki, T., Kameda, T. & Maruyama, T. Interfacial reactions between SiC and aluminium during joining. J Mater Sci 19, 1692–1698 (1984). https://doi.org/10.1007/BF00563067
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DOI: https://doi.org/10.1007/BF00563067