Additive manufacturing (AM) offers unprecedented design freedom and manufacturing
flexibility for processing complex components. Despite the numerous advantages of AM over …

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

BACKGROUND Metallic components are the cornerstone of modern industries such as
aviation, aerospace, automobile manufacturing, and energy production. The stringent …

Abstract Metal 3D printing (3DP), a state-of-the-art manufacturing technology that brings the
potential to fabricate complex structures at low cost and reduced energy consumption, has …

Directed energy deposition (DED) is a branch of additive manufacturing (AM) processes in
which a feedstock material in the form of powder or wire is delivered to a substrate on which …

Whilst the adoption of additive manufacturing (AM) of aluminum alloys is relatively slower
compared with that of steels and titanium alloys, it has undergone a flourishing trend in the …

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

Keyhole porosity is a key concern in laser powder-bed fusion (LPBF), potentially impacting
component fatigue life. However, some keyhole porosity formation mechanisms, eg, keyhole …

The properties and serviceability of 3D-printed metal parts depend on a variety of attributes.
These include the chemical composition, phases, morphology, spatial distributions of grain …

Porosity defects are currently a major factor that hinders the widespread adoption of laser-
based metal additive manufacturing technologies. One common porosity occurs when an …