In the metal additive manufacturing process, the exposure to oxygen and its incorporation
into the melt pool are usually deemed unfavorable, but cannot be completely eliminated …

Metal additive manufacturing (AM) techniques, particularly laser powder-bed methods, have
shown tremendous advantages for producing high-value, complex, and customized …

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 additive manufacturing (AM) of metals is becoming an increasingly important production
process with the potential to replace traditional techniques such as casting. Laser Powder …

In the laser powder bed fusion additive manufacturing process, the presence of porosity may
result in cracks and significantly affects the part performance. A comprehensive …

A key challenge in additive manufacturing (AM) of aluminum-based parts has been the
formation of cracks and porosity during the processes. Multicomponent powder beds …

Metal additive manufacturing has seen extensive research and rapidly growing applications
for its high precision, efficiency, flexibility, etc. However, the appealing advantages are still …

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 …

The keyhole phenomenon is uncovered to exist in the printable range of laser powder bed
fusion process. The pores due to unstable keyhole collapse can be divided into bottom-pore …

Detailed understanding of the complex melt pool physics plays a vital role in predicting
optimal processing regimes in laser powder bed fusion additive manufacturing. In this work …