In-situ observation and metrology of the complex phenomena is a critical step to better
understanding of the fundamental physics involved in laser powder bed fusion additive …

Metal additive manufacturing is moving from rapid prototyping to on-demand manufacturing
and even to serial production. Consistent part quality and development of a wider range of …

Laser powder bed fusion is a metal additive manufacturing technique that has received
significant scientific and industrial attention over the past decades. However, the quality and …

Laser powder bed fusion (LPBF) additive manufacturing (AM) is developing with the goal of
fabricating parts with high performance and high efficiency. Laser power is the key factor to …

The droplet spatters generated by the laser induction directly affect the processing quality of
the laser powder bed fusion (LPBF) process, gas parameters are a key factor in this process …

Laser powder additive manufacturing (PBF-LB) is an additive manufacturing method
capable of producing high-precision and fully dense parts. However, nondestructively …

Laser powder bed fusion (L-PBF) additive manufacturing (AM) enables the fabrication of
parts with precise dimensional control, freedom of design and material properties similar to …

As well as preventing oxidation, a cross-flow of inert gas over the powder bed extracts
process by-products, making it critical for process repeatability and build quality during the …

Size and shape of a melt pool play a critical role in determining the microstructure in
additively manufactured metals. However, it is very challenging to directly characterize the …

The results of detailed experiments and finite element modeling of metal micro-droplet
motion associated with metal additive manufacturing (AM) processes are presented. Ultra …