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In situ Al-TiB composite obtained by stir casting

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Abstract

Anin situ Al-matrix TO particle (10–50 μm size, ∼ 10 vol %) composite was formed by stir casting at 900°C a slurry containing liquid aluminium (2024), Ti02, KBF4 and Na3AlF6 in the weight ratio 13.5:4:1:4. The reactions among these ingredients resulted in TiB, together with small amounts of TiB2 and TiAl3. The composite (after T6 heat treatment, but no secondary processing) exhibited tensile strength 270 MPa, modulus 91 GPa and ductility 8%.[/p]

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Authors and Affiliations

  1. Composite Materials Research Laboratory, State University of New York at Buffalo, 14260-4400, Buffalo, NY, USA

    Yuyong Chen & D. D. L. Chung

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  1. Yuyong Chen
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  2. D. D. L. Chung
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Chen, Y., Chung, D.D.L. In situ Al-TiB composite obtained by stir casting. J Mater Sci 31, 311–315 (1996). https://doi.org/10.1007/BF01139145

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  • DOI: https://doi.org/10.1007/BF01139145

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