Avoiding the formation of cracks to ensure a reliable printability and a good stability is crucial
in the laser additive manufacturing of alloys. Contrary to previous studies that have generally …

Selective laser melting (SLM) is one of the most widely used additive manufacturing
technologies. Fabricating nickel-based superalloys with SLM has garnered significant …

This study systematically investigated the cracking mechanisms in the laser powder bed
fusion (LPBF) of GH3230 solid-solution-strengthened Ni-based alloy (GH0). The results …

A multi-scale model that combines the finite element method and stochastic analysis is
developed to simulate the evolution of the microstructure of an Nb-bearing nickel-based …

Abstract The Selective Laser Melting (SLM) process generates large thermal gradients
during rapid melting of metallic powdered feedstock. During solidification certain alloys …

Laser powder bed fusion (LPBF) is a proven additive manufacturing (AM) technology for
producing metallic components with complex shapes using layer-by-layer manufacture …

Ni-base superalloys are essential materials for high-temperature applications in the energy
and aerospace sectors. Significant benefits in design, function, and manufacture of high …

During additive manufacturing process of alloys, element segregation is vital in determines
the solidification structure and mechanical properties of components. In this work, the solute …

Selective laser melting (SLM) is a progressive forming technique for manufacturing
complicated components, whereas the microcracks emerge in the preparation process of …

Additive manufacturing of hard-to-weld nickel-based superalloys leads to the formation of
elongated columnar grain structures and hot cracks along the build direction. Changing the …