Zobrazeno 1 - 10
of 2 431
pro vyhledávání: '"Melt pool"'
Autor:
Yue Cheng, Takanobu Miyawaki, Wenyuan Wang, Naoki Takata, Asuka Suzuki, Makoto Kobashi, Masaki Kato
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 4048-4058 (2024)
The present study was undertaken to understand the effect of annealing on the microstructural features of the melt-pool structure and the associated multiscale mechanical properties of the Al–2.5%Fe–2%Cu alloy manufactured by laser powder bed fus
Externí odkaz:
https://doaj.org/article/e3d571dc41f847ebb427cf03be5d2008
Interaction of contour and hatch parameters on vertical surface roughness in laser powder bed fusion
Autor:
Tianyu Zhang, Lang Yuan
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 3390-3401 (2024)
In Laser Powder Bed Fusion (L-PBF), surface roughness is pivotal for controlling the mechanical and functional performances, as well as the geometrical accuracy of the final product. This study extensively investigated the interactions of hatch and c
Externí odkaz:
https://doaj.org/article/6ff6a736963f4ec6b002456dae7616f1
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 1127-1140 (2024)
Laser powder bed fusion (LPBF) enables the production of large and intricately shaped bulk metallic glasses (BMGs); however, the current strength of LPBF-fabricated BMGs is significantly lower than their cast counterparts due to defects generated dur
Externí odkaz:
https://doaj.org/article/dd0e0fdd8aa9434d978bf20c15bda260
Autor:
Nils Much, Magdalena Schreter-Fleischhacker, Peter Munch, Martin Kronbichler, Wolfgang A. Wall, Christoph Meier
Publikováno v:
Advanced Modeling and Simulation in Engineering Sciences, Vol 11, Iss 1, Pp 1-40 (2024)
Abstract Computational modeling of the melt pool dynamics in laser-based powder bed fusion metal additive manufacturing (PBF-LB/M) promises to shed light on fundamental mechanisms of defect generation. These processes are accompanied by rapid evapora
Externí odkaz:
https://doaj.org/article/0621431617724457939ad8015528d921
Publikováno v:
Journal of Magnesium and Alloys, Vol 12, Iss 6, Pp 2327-2344 (2024)
Multi-physics thermo-fluid modeling has been extensively used as an approach to understand melt pool dynamics and defect formation as well as optimizing the process-related parameters of laser powder-bed fusion (L-PBF). However, its capabilities for
Externí odkaz:
https://doaj.org/article/3795ae2637ac43a9a40fc8d659fbf85b
Publikováno v:
Metrology, Vol 4, Iss 2, Pp 181-204 (2024)
Ensuring high-quality control in laser additive manufacturing and laser welding relies on the implementation of reliable and cost-effective real-time observation techniques. Real-time monitoring techniques play an important role in understanding crit
Externí odkaz:
https://doaj.org/article/8cc47225fe06405daf4b8489d77a5a83
Autor:
Mohammad Hossein Mosallanejad, Hassan Gashmard, Mahdi Javanbakht, Behzad Niroumand, Abdollah Saboori
Publikováno v:
Additive Manufacturing Letters, Vol 10, Iss , Pp 100214- (2024)
Melt pool geometry is a deterministic factor affecting the characteristics of metal Additive Manufacturing (AM) components. The wide array of physical and thermal phenomena involved during the formation of the AM melt pool, along with the great varie
Externí odkaz:
https://doaj.org/article/a39c391fc6d442568317007ab179fdd8
Publikováno v:
Heliyon, Vol 10, Iss 14, Pp e34137- (2024)
The melt pools, the most basic units of the components fabricated by the selective laser melting (SLM) technology, play an important role in the mechanical properties of the structures. A self-developed in-situ tensile observation platform was used t
Externí odkaz:
https://doaj.org/article/87ab0e58e3ab445b81d417af415687b5
Publikováno v:
IEEE Access, Vol 12, Pp 93363-93371 (2024)
To solve the problem of insufficient melt pool width feature extraction accuracy caused by splash, arc light, and other interferences in the metal deposition process, a melt pool width extraction method based on the variable step size erosion model i
Externí odkaz:
https://doaj.org/article/0093697157c84fa397909ee1d90b46a2
Publikováno v:
Journal of Materials Research and Technology, Vol 28, Iss , Pp 2071-2076 (2024)
The recently emerged Al–Mn–Mg–Sc–Zr alloys were regarded as high-strength Al alloys suitable for high-temperature applications. However, the influence of laser powder bed fusion (LPBF) fabricated anisotropic microstructure on tensile creep pe
Externí odkaz:
https://doaj.org/article/d7421a96b87641b3b1f6064a03823ca6