To increase the efficiency of the next generation of gas turbines, it is necessary to replace
the heavy Ni-based superalloys with lightweight materials that are resistant to high …

This comprehensive review explores recent advancements in laser powder bed fusion
(LPBF) modeling, with a particular focus on metallurgical, temperature, and defect aspects …

The influences of microstructure and solidification parameters on the hot cracking behaviour
of an additively manufactured Ni-based superalloy via selective electron beam melting …

Powder bed fusion electron beam (PBF-EB) melting process with low preheating
temperatures is one of the promising ways to fabricate TiAl components with fully lamellar …

Additive manufacturing of TiAl alloys by selective laser melting (SLM) remains a challenge
due to serious cracking during the print process. In this work, the cracking mechanism of the …

The limited plasticity and poor formability of TiAl alloys constitute primary constraints on their
widespread applicability. In this regard, an innovative forming method is proposed …

At present, it remains a challenge to additively manufacture Ti-48Al-2Cr-2Nb (TiAl4822)
alloy by laser powder bed fusion (LPBF) technology because of the severe cracking in the …

A LaB 6 particles decorated Ti48Al2Cr2Nb composite almost free of any cracks has been
successfully fabricated by LPBF in this work. To better understand the role of LaB 6 inoculant …

CM247LC, a Ni-based superalloy, is employed in the high-temperature components of gas
turbines, such as the blades. However, the welds of CM247LC are highly susceptible to …

Enhanced levels of alloy print defects such as porosity are associated with the printing of
overhang structures by laser powder bed fusion (L-PBF). This study compared the …