Despite strong interest from many industrial sectors driving demand and advancements in
laser additive manufacturing (LAM) of steels, some issues remain as barriers limiting the …

Ultra-fast femtosecond (fs) lasers provide a unique technological opportunity to precisely
and efficiently micromachine materials with minimal thermal damage owing to the reduced …

A major factor slowing down the establishment of additive manufacturing processes as
production processes is insufficient reproducibility and productivity. Therefore, this work …

The use of additive manufacturing (AM) technologies for fabricating structural and functional
parts is rapidly rising due to their transformative design flexibility and customizability …

The commonly used Gaussian intensity distribution during the laser-based processing of
metals can negatively affect melt pool stability, which might lead to defects such as porosity …

Laser beam shaping offers remarkable possibilities to control and optimise process stability
and tailor material properties and structure in laser-based welding and additive …

The profile of the laser beam plays a significant role in determining the heat input on the
deposition surface, further affecting the molten pool dynamics during laser-based directed …

Epitaxial growth of dendrites often results in a strong texture, which is a common
phenomenon in a laser additive manufacturing process. In this study, pulsed lasers with flat …

A computational fluid dynamics approach is used to analyse the influence of beam shaping
in fusion welding on melt thermal flow. Three beam shapes are studied at several welding …

Recent experimental studies suggest the use of spatially extended laser beam profiles as a
strategy to control the melt pool during laser powder bed fusion (LPBF) additive …