In laser directed energy deposition (L-DED) processes, by applying a converged powder
stream, relatively high laser power and larger laser spot, the powder utilisation efficiency …

The dynamic behaviors of the molten pool play a critical role in determining the weld bead
formation process and the welded joints quality. A numerical simulation modeling method is …

The whole-phase heat transport model of laser-based directed energy deposition (L-DED)
with multichannel coaxial powder feeding is the basis of investigating the underlying …

High power laser welding is as an ideal advanced technology for joining the thick steel
plates with high efficiency in the industries. This paper proposes a 3D numerical simulation …

The application of the electromagnetic stirring from an oscillating magnetic field can improve
the metal mixing in wire feed laser beam welding. However, the extra parameters introduced …

Advantages such as element homogenization and grain refinement can be realized by
introducing electromagnetic stirring into laser beam welding. However, the involved weld …

Humping defect which commonly occurs in high current and high speed welding seriously
deteriorates weld property. The periodical humping formation in high speed GTAW is …

This book reviews recent achievements in the field of thermophysical property
measurements of liquid multicomponent alloys. The work is centered on the question of …

Due to the rapid melting and solidification during directed energy deposition (DED) process,
the defects and columnar crystals are likely to generate in the deposition layers, which …

The effects of the two types of typical spatial laser beam profiles (SLBP), including the super-
Gaussian profile (SGP) and Gaussian profile (GP), on the thermal-fluid transport during laser …