3D Printing with Mixed Powders of Boron Carbide and Al Alloy
Shuang Bai, Hyeong Jae Lee, Jian Liu
Abstract
Laser additive manufacturing with mixed powders of boron carbide and aluminum alloy is investigated. Parameters such as laser power, scan speed, scan pattern, and hatching space are systematically evaluated and optimized to obtain the desired density and porosity. These results show that the AM part contains 20 wt% boron carbide and 80 wt% aluminum alloy, which are well mixed and synthesized during the melting process. Its mechanical properties are close to those of aluminum. A thin-wall structure based two dimensional and three dimensional radial collimators were fabricated with well-controlled geometry for neutron scattering measurement.
Topics & Concepts
Boron carbideMaterials scienceAlloyBoronAluminiumPorosityMetallurgySelective laser meltingComposite materialMicrostructureChemistryOrganic chemistryAdditive Manufacturing and 3D Printing TechnologiesAdditive Manufacturing Materials and ProcessesMachine Learning in Materials Science