Abstract:Particulate reinforced composites are expected to solve the problem of grain growth and strength reduction caused by multiple thermal cycles during additive manufacturing. In this work, TiB 2 /2319Al composite was fabricated by oscillating laser-arc hybrid additive manufacturing (O-LAHAM). The microstructure, mechanical properties and fracture of tensile samples were studied. The results show that TiB 2 /2319Al composites were composed of fine equiaxed grains due to the stirring effect of laser beam and the pa… Show more
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