Effect of Build Orientation and Laser Power on Microwave Loss in Metal Additive Manufactured Components

The adoption of metal additive manufacturing into the production passive microwave components is still in its relative infancy. However, it increasing interest due to offer geometrical design freedom and significant weight reduction. electrical properties manufactured are inferior traditional techniques owing poor surface finish, especially on overhanging surfaces, which unavoidable three-dimensional components. In this paper we present experimental findings disparity resistance values between three common build orientations, as well that establish a connection downskin laser power reduction for surfaces. Finally, rectangular waveguide sections measured assess influence combined upward downward facing surfaces resistance.