Please use this identifier to cite or link to this item: https://doi.org/10.1016/S0924-0136(99)00038-2
Title: In situ processing of Al-TiB2 composite by the stir-casting technique
Authors: Tee, K.L.
Lu, L. 
Lai, M.O. 
Issue Date: 19-May-1999
Source: Tee, K.L.,Lu, L.,Lai, M.O. (1999-05-19). In situ processing of Al-TiB2 composite by the stir-casting technique. Journal of Materials Processing Technology 89-90 : 513-519. ScholarBank@NUS Repository. https://doi.org/10.1016/S0924-0136(99)00038-2
Abstract: Al base composite reinforced by in situ TiB2 particulates was successfully synthesized by the stir-casting technique. The composite, with a particulate size of 1-3 μm, was produced by optimizing the process variables. An improvement of up to 61% in tensile strength 58% in yield strength and 23% in modulus, depending upon the volume fraction of TiB2 incorporated into the Al, was achieved. Modification of the Al matrix with the addition of copper improved the mechanical properties by a factor of not less than 2.5. Fractographs showed a dimpled fracture surface, indicating a retention of relatively high ductility not withstanding the presence of coarse TiAl3 associated with the Al-Ti-B system. The exhibition of a clean Al-TiB2 interface testified to the benefit that had been gained from the in situ processing.
Source Title: Journal of Materials Processing Technology
URI: http://scholarbank.nus.edu.sg/handle/10635/92720
ISSN: 09240136
DOI: 10.1016/S0924-0136(99)00038-2
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