Defects and anomalies in powder bed fusion metal additive manufacturing
Metal additive manufacturing is a disruptive technology that is revolutionizing the
manufacturing industry. Despite its unrivaled capability for directly fabricating metal parts …
manufacturing industry. Despite its unrivaled capability for directly fabricating metal parts …
Exploiting the rapid solidification potential of laser powder bed fusion in high strength and crack-free Al-Cu-Mg-Mn-Zr alloys
This work describes a systematic alloy design strategy resulting in the development of a high
strength aluminum alloy adopted for L-PBF. First, based on the composition of a reference Al …
strength aluminum alloy adopted for L-PBF. First, based on the composition of a reference Al …
Rapid eutectic growth kinetics of undercooled Nb-Si alloys at electrostatic levitation state
MX Li, HP Wang, MJ Lin, CH Zheng, B Wei - Acta Materialia, 2022 - Elsevier
The rapid eutectic growth kinetics of undercooled Nb-Si alloys was investigated by using
electrostatic levitation (ESL) technique combined with triggering method. For eutectic Nb …
electrostatic levitation (ESL) technique combined with triggering method. For eutectic Nb …
Additive manufacturing enabled synergetic strengthening of bimodal reinforcing particles for aluminum matrix composites
Abstract An additive manufactured TiB 2/Al-Cu-Mg-Ni composite with a minor amount of Sc
was fabricated by laser powder bed fusion (LPBF). The composite shows a yield strength …
was fabricated by laser powder bed fusion (LPBF). The composite shows a yield strength …
The thermodynamics of non-equilibrium interfaces during phase transformations in concentrated multicomponent alloys
A unified thermodynamic description of moving non-equilibrium interfaces is developed for
both solid/solid and solid/liquid transformations. The theory is applicable to concentrated …
both solid/solid and solid/liquid transformations. The theory is applicable to concentrated …
“Non-equilibrium” grain boundaries in additively manufactured CoCrFeMnNi high-entropy alloy: Enhanced diffusion and strong segregation
N Choi, S Taheriniya, S Yang, VA Esin, JH Yu… - Journal of Applied …, 2022 - pubs.aip.org
Grain boundary diffusion in an additively manufactured equiatomic CoCrFeMnNi high-
entropy alloy is systematically investigated at 500 K under the so-called C-type kinetic …
entropy alloy is systematically investigated at 500 K under the so-called C-type kinetic …
Solute trapping in rapid solidification
Rapid solidification gives rise to solute trapping, which decreases solute partitioning and
alters equilibrium solidification velocity-undercooling relationships. These effects influence …
alters equilibrium solidification velocity-undercooling relationships. These effects influence …
Orientation gradients in rapidly solidified pure aluminum thin films: comparison of experiments and phase-field crystal simulations
Rapid solidification experiments on thin film aluminum samples reveal the presence of
lattice orientation gradients within crystallizing grains. To study this phenomenon, a single …
lattice orientation gradients within crystallizing grains. To study this phenomenon, a single …
Achieving high strength-ductility synergy through high-density coherent precipitation in twin-roll cast Al–Zn–Mg–Cu strips
YT Mo, C Wang, SY Zhang, X Liu, M Zha… - Materials Science and …, 2022 - Elsevier
Achieving dense coherent precipitates in 7xxx aluminum alloys during artificial aging to
attain high strength-ductility synergy remains a challenging task as they are unstable and …
attain high strength-ductility synergy remains a challenging task as they are unstable and …
Diffusion, atomic transport, and ordering in Al-Zr alloys: FCC and liquid phases
Additive manufacturing of materials with controlled microstructure demands knowledge of
atomic scale properties near the solid-liquid transition state. Many of these properties are not …
atomic scale properties near the solid-liquid transition state. Many of these properties are not …