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In-situ grain structure control in directed energy deposition of Ti6Al4V
In metal additive manufacturing (AM), long columnar grains along the building direction due
to highly directional thermal gradients often lead to a strong texture and severe anisotropy in …
to highly directional thermal gradients often lead to a strong texture and severe anisotropy in …
Microstructure characteristics of a René N5 Ni-based single-crystal superalloy prepared by laser-directed energy deposition
This work focused on the microstructure and mechanical properties of nickel-based single
crystal (SX) superalloy René N5 prepared by laser-directed energy deposition (L-DED) …
crystal (SX) superalloy René N5 prepared by laser-directed energy deposition (L-DED) …
Hierarchically heterogeneous microstructure and mechanical properties in laser-directed energy deposition of γ-TiAl alloy through intrinsic cyclic heat treatment
The complex thermal effects of laser direct energy deposition (L-DED) provide significant
advantages for production of high-performance γ-TiAl alloy, whereas challenges still exist in …
advantages for production of high-performance γ-TiAl alloy, whereas challenges still exist in …
Residual stresses control in additive manufacturing
Residual stresses are one of the primary causes for the failure of parts or systems in metal
additive manufacturing (AM), since they easily induce crack propagation and structural …
additive manufacturing (AM), since they easily induce crack propagation and structural …
Microstructure evaluation and resultant mechanical properties of laser-arc hybrid additive manufactured Cu-Cr-Zr alloy
Laser-arc hybrid additive manufacturing (LAHAM) of Cu-Cr-Zr alloy was studied. The
microstructure evaluation and mechanical properties of the samples fabricated by LAHAM …
microstructure evaluation and mechanical properties of the samples fabricated by LAHAM …
[HTML][HTML] Crack-free laser powder bed fusion by substrate design
Additively manufactured components by laser powder bed fusion (LPBF) often suffer from
stress-induced cracks (eg delamination), especially at the build-substrate interfaces where …
stress-induced cracks (eg delamination), especially at the build-substrate interfaces where …
Thermo-mechanical simulation of annealing heat treatment of Ni-based GH4099 superalloy made by laser powder bed fusion
Laser powder bed fusion (LPBF) additive manufacturing (AM) unavoidably generates
residual stresses due to sharp thermal gradients and the strong mechanical constraints of …
residual stresses due to sharp thermal gradients and the strong mechanical constraints of …
Porosity control and properties improvement of Al-Cu alloys via solidification condition optimisation in wire and arc additive manufacturing
This study presents an innovative liquid-nitrogen cooling (LNC) strategy to address
hydrogen porosity in Wire and Arc Additive Manufactured (WAAM) Al-Cu alloys, which …
hydrogen porosity in Wire and Arc Additive Manufactured (WAAM) Al-Cu alloys, which …
A multi-criteria h-adaptive finite-element framework for industrial part-scale thermal analysis in additive manufacturing processes
This work presents an h-adaptive finite-element (FE) strategy to address the numerical
simulation of additive manufacturing (AM) of large-scale parts. The wire-arc additive …
simulation of additive manufacturing (AM) of large-scale parts. The wire-arc additive …
[HTML][HTML] A highly efficient computational approach for fast scan-resolved microstructure predictions in metal additive manufacturing on the scale of real parts
In metal additive manufacturing (AM), fast and efficient simulation approaches are essential
to explore the full potential of these promising processes, particularly in generating …
to explore the full potential of these promising processes, particularly in generating …