Laser Direct Energy Deposition (DED) 3D Printing of Superalloys synthesizes a decade of pioneering translational research. The book systematically tackles critical challenges in DED of superalloys towards industrial applications, including process modeling, microstructure control, defect suppression, and mechanical property optimization. It also presents a suite of innovative methodologies, such as physics-informed neural networks, gradient laser power deposition, ultrasonic vibration-assi...