Solidification in metal additive manufacturing: challenges, solutions, and opportunities
The physics of alloy solidification during additive manufacturing (AM) in methods such as
laser powder bed fusion (LPBF), electron beam powder bed fusion (EPBF), and laser …
laser powder bed fusion (LPBF), electron beam powder bed fusion (EPBF), and laser …
Alloy design for laser powder bed fusion additive manufacturing: a critical review
Metal additive manufacturing (AM) has been extensively studied in recent decades. Despite
the significant progress achieved in manufacturing complex shapes and structures …
the significant progress achieved in manufacturing complex shapes and structures …
New alloy design approach to inhibiting hot cracking in laser additive manufactured nickel-based superalloys
Y Zhao, Z Ma, L Yu, Y Liu - Acta Materialia, 2023 - Elsevier
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 …
in the laser additive manufacturing of alloys. Contrary to previous studies that have generally …
The role of side-branching in microstructure development in laser powder-bed fusion
In-depth understanding of microstructure development is required to fabricate high quality
products by additive manufacturing (for example, 3D printing). Here we report the governing …
products by additive manufacturing (for example, 3D printing). Here we report the governing …
Reducing hot tearing by grain boundary segregation engineering in additive manufacturing: example of an AlxCoCrFeNi high-entropy alloy
One major hindrance that alloy design for additive manufacturing (AM) faces nowadays is
hot tearing. Contrary to the previous works which either try to reduce solidification range or …
hot tearing. Contrary to the previous works which either try to reduce solidification range or …
Hot cracking mechanism affecting a non-weldable Ni-based superalloy produced by selective electron Beam Melting
A non weldable nickel-based superalloy was fabricated by powder bed-based selective
electron beam melting (S-EBM). The as-built samples exhibit a heterogeneous …
electron beam melting (S-EBM). The as-built samples exhibit a heterogeneous …
Cracking mechanism of Hastelloy X superalloy during directed energy deposition additive manufacturing
Metal additive manufacturing (AM) offers promising potential in the production of
components with geometric complex or customized structure and outstanding properties, but …
components with geometric complex or customized structure and outstanding properties, but …
Combining alloy and process modification for micro-crack mitigation in an additively manufactured Ni-base superalloy
The additive manufacturing (AM) of the γprecipitation strengthened Ni-base superalloys still
remains a challenge due to their susceptibility to micro-cracking. Post-processing, such as …
remains a challenge due to their susceptibility to micro-cracking. Post-processing, such as …
Atomic-scale grain boundary engineering to overcome hot-cracking in additively-manufactured superalloys
There are still debates regarding the mechanisms that lead to hot cracking in parts build by
additive manufacturing (AM) of non-weldable nickel-based superalloys. This lack of in-depth …
additive manufacturing (AM) of non-weldable nickel-based superalloys. This lack of in-depth …
Progress in modelling solidification microstructures in metals and alloys. Part II: dendrites from 2001 to 2018
This is the first account of the history of modelling dendritic and cellular solidification. While
Part I reviewed the progress up to the year 2000 [Kurz W, Fisher DJ, Trivedi R. Progress in …
Part I reviewed the progress up to the year 2000 [Kurz W, Fisher DJ, Trivedi R. Progress in …