Metal additive manufacturing (AM) refers to any process of making 3D metal parts layer-
upon-layer via the interaction between a heating source and feeding material from a digital …

Additive Manufacturing (AM) has revolutionized the manufacturing industry in several
directions. Laser powder bed fusion (LPBF), a powder bed fusion AM process, has been …

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) of metallic components offers many advantages over
conventional manufacturing methods, most notably design freedom at little material waste …

While significant progress has been made in understanding laser powder bed fusion (L-
PBF) as well as the fabrication of various materials using this technology, there is still limited …

Laser powder bed fusion (LPBF) is the most common metal additive manufacturing
technique. Following pre-programmed designs, it employs a high-power density laser …

The versatility and potential applications of additive manufacturing have accelerated the
development of additive/subtractive hybrid manufacturing methods. LPBF processes are …

Functionally graded materials (FGMs) represent a class of novel materials in which
compositions/constituents and/or microstructures gradually change along single or multiple …

We review the progress of additive manufacturing effort on refractory metal tungsten and
tungsten alloys. These materials are excellent candidates for a variety of high temperature …

Since its inception, significant progress has been made in understanding additive
manufacturing (AM) processes and the structure and properties of the fabricated metallic …