Abstract
Ni-B coating was prepared on the surface of graphite particles using the electroless plating method. The Ni-B coating was composed of spherical grains with average diameter of 80 nm. The phases of Ni-B coating were indexed as nanosized crystal Ni phase and amorphous Ni-B phase. Cu-Sn alloy/graphite composites with 0.5, 1.0, 1.5, and 2.0 wt pct graphite contents were synthesized by the powder metallurgy method. Ni-B coating improved the wettability and bonding strength between the Cu-Sn alloy and graphite. The composite with Ni-B coated graphite exhibited higher density, hardness, and compression strength compared with the composites with bare graphite. The crack propagation mechanism of the composites was also analyzed.
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This work was supported by the Science and Technology Support Program of Jiangxi Province (Grant No. 2010JX01197). The infrastructural support from Tianjin University is also acknowledged.
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Manuscript submitted October 11, 2013.
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Dong, R., Cui, Z., Zhu, S. et al. Preparation, Characterization and Mechanical Properties of Cu-Sn Alloy/Graphite Composites. Metall Mater Trans A 45, 5194–5200 (2014). https://doi.org/10.1007/s11661-014-2457-0
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DOI: https://doi.org/10.1007/s11661-014-2457-0