Controlling the grain structure while avoiding the stray grain (SG) formation is the key to
fabricate the nickel-based single crystal (SX) superalloy components during laser additive …

Avoiding cracking defects is crucial to ensuring processability in the laser powder bed fusion
(LPBF) of metallic materials. In this study, a crack-free Ni-based superalloy with a high …

Extensive studies have proved that the addition of ceramic nanoparticles can improve the
crack resistance of alloys fabricated by laser powder bed fusion (LPBF). However, there is …

A Co-free non-equiatomic Ni 2· 5 CrFeAl 0· 25 Ti 0.25 medium-entropy alloy (MEA) with an
excellent strength-ductility synergy was fabricated, which shows a multiphase structure …

In this work, the effect of direct aging (DA), solution at 1160° C (S1160) and solution at 1160°
C+ aging treatment (SA1160) on the defects, microstructure and mechanical properties of …

The preparation of SA508 Grade 3 steel was innovatively realized based on laser powder
bed fusion (LPBF). On this basis, the influence of processing parameters on the …

Thin-walled structures are widely used in industrial fields such as radiators and critical
aerospace components due to their advantages in lightweight design. However, traditional …

Abstract The AlCoCrFeNi 2.1 eutectic high-entropy alloy (EHEA) has become one of the
hottest research topics owing to its comprehensive mechanical properties. In this study, the …

The unsatisfactory mechanical performance at high temperatures limits the broad
application of 3D‐printed aluminum alloy structures in extreme environments. This study …

Cracking is one of the most important challenges in the laser powder-bed fusion (LPBF)
processing of high-γʹ nickel-based superalloys. In this work, crack susceptibility of the …