Abstract
Abstract The thinner flaked Al powders are used to improve the strength of the B4C/Al composite. The effect of the flaked Al powder on distribution of B4C particles is investigated. The tensile properties of the B4C/Al composites with the flaked Al powders are also studied. The results show that during ball milling process, spherical Al powders are flaked with the thinner thicknesses and larger diameters. The thinner flaked Al powders are not easy to be deformed and are bonded together as the laminated structure after thermal compression. B4C particles are evenly dispersed and embedded in Al laminated structure. With increasing the volume fraction of B4C particles, the deformation of the thinner flaked Al powders become difficult and the thinner flaked Al powders coat on the surface of B4C particles, resulting in the disappearance of the laminated structure of the thinner flaked Al powder.
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