Fusion-based additive manufacturing (AM) has significantly grown to fabricate Nickel-based
superalloys with design freedom across multiple length scales. Several phenomena such as …

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 …

Additive manufacturing (AM), also known as 3D printing, is gaining wide acceptance in
diverse industries for the manufacturing of metallic components. The microstructure and …

In-depth understanding of microstructure development is required to fabricate high quality
products by additive manufacturing (for example, 3D printing). Here we report the governing …

Additive manufacturing (AM) promises to revolutionize manufacturing by producing complex
parts with tailored mechanical properties through local microstructure control. The main …

One of the less desirable aspects of fusion-based additive manufacturing is the propensity
for coarse columnar grain structures crossing build layers to form. This paper initially …

Electron beam heat source has certain advantages in processing some special high-
performance materials because of its high energy efficiency and the ability to use its own …

Additive manufacturing (AM) has opened new possibilities for site-specific microstructure
control of metal alloys. In laser powder bed fusion (LPBF) AM, the microstructure can be …

Abstract Alloy 718 is a Ni-Fe-based superalloy, which has been successfully adapted to
powder bed fusion (PBF) additive manufacturing because of the alloy's adaptability with …

Ultrasound-assisted direct energy deposition (UADED) attracts increasing attention due to
its capability to tailor the grain structure. However, the involved molten pool dynamics …