Metal additive manufacturing is a disruptive technology that is revolutionizing the
manufacturing industry. Despite its unrivaled capability for directly fabricating metal parts …

Defect formation is a critical challenge for powder-based metal additive manufacturing (AM).
Current understanding on the three important issues including formation mechanism …

Additive manufacturing (AM) is emerging as an alternative to conventional subtractive
manufacturing methods with the goal to deliver unique and complex net or near-net shaped …

Accurate detection, characterization, and prediction of defects has great potential for
immediate impact in the production of fully-dense and defect free metal additive …

A geometry-based simulation is used to predict porosity caused by insufficient overlap of
melt pools (lack of fusion) in powder bed fusion. The inputs into the simulation are hatch …

In this study, a machine-learning approach based on Gaussian process regression was
developed to identify the optimized processing window for laser powder bed fusion (LPBF) …

This article reviews published data on the mechanical properties of additively manufactured
metallic materials. The additive manufacturing techniques utilized to generate samples …

The effect of laser power on defect characteristics, microstructure development, constituent
phases, and crystallographic texture was studied on a laser powder bed fusion (L-PBF) …

The needs, requirements, and on-going and future research issues in geometrical metrology
for metal additive manufacturing are addressed. The infrastructure under development for …

Understanding defect formation during laser additive manufacturing (LAM) of virgin, stored,
and reused powders is crucial for the production of high quality additively manufactured …