Zobrazeno 1 - 10
of 303
pro vyhledávání: '"directed energy deposition (DED)"'
Autor:
Md R.U. Ahsan, Nadim S. Hmeidat, Saiful Islam, Xuesong Fan, Jonathan D. Poplawsky, Peter K. Liaw, Yousub Lee, Brett G. Compton, Yongho Jeon, Duck Bong Kim
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 6444-6460 (2024)
Directed energy deposition (DED) is an additive manufacturing (AM) process based on welding technology and offers the advantages of large build volume, high deposition rate, and ability to fabricate multi-material parts. Epitaxial continuous columnar
Externí odkaz:
https://doaj.org/article/c06eb8bbef3f4a79995a21b9004ee290
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 4444-4455 (2024)
This study investigates the microstructure and mechanical properties of wear-resistant hardfacing structures fabricated on an AISI 1045 carbon steel substrate using a specially designed Fe–Cr based powder for directed energy deposition (DED). Elect
Externí odkaz:
https://doaj.org/article/6b7889512dfa46ec9a6cd0649610bac2
Autor:
Wei Li, Rubén Lambert-Garcia, Anna C. M. Getley, Kwan Kim, Shishira Bhagavath, Marta Majkut, Alexander Rack, Peter D. Lee, Chu Lun Alex Leung
Publikováno v:
Virtual and Physical Prototyping, Vol 19, Iss 1 (2024)
ABSTRACTSynchrotron X-ray imaging has been utilised to detect the dynamic behaviour of molten pools during the metal additive manufacturing (AM) process, where a substantial amount of imaging data is generated. Here, we develop an efficient and robus
Externí odkaz:
https://doaj.org/article/e7f1e11ffae940d8a94ba52c366ef56e
Publikováno v:
Clean Technologies, Vol 6, Iss 2, Pp 572-585 (2024)
This study focuses on developing an experimental setup to investigate the Selective Melt Dispersion (SMD), a Directed Energy Deposition (DED) process. SMD as a means of in-process joining (IPJ) aims to integrate components and assemblies during addit
Externí odkaz:
https://doaj.org/article/eb8c621abbbd48228050e3ba1798dbaa
Publikováno v:
Materials & Design, Vol 245, Iss , Pp 113266- (2024)
Textured gradient microstructures can be engineered by tailoring the molten pool cooling rate during additive manufacturing (AM). Here we consider the design of grain structures and crystallographic orientations by controlling the solidification stra
Externí odkaz:
https://doaj.org/article/35246e48217840abb56b2a595f8b7aa9
Publikováno v:
Materials & Design, Vol 244, Iss , Pp 113115- (2024)
n this study, an innovative algorithm is developed to transform microstructures to hierarchical graphs without manual feature engineering. The hierarchical graph comprises two layers. Initially, pixel data, which includes Euler angles, phase, and pos
Externí odkaz:
https://doaj.org/article/d87c7c9e80b8439785b9bf45286ed7b0
Publikováno v:
Journal of Advanced Mechanical Design, Systems, and Manufacturing, Vol 18, Iss 5, Pp JAMDSM0058-JAMDSM0058 (2024)
The Direct Energy Deposition (DED) method in wire feed additive manufacturing (AM) has been attracting attention in the industrial field mainly because of its flexibility in shaping and speed of fabrication. Deposited metal accuracy is more susceptib
Externí odkaz:
https://doaj.org/article/c3970244ad594f4db752eee41e365b8f
Publikováno v:
Journal of Materials Research and Technology, Vol 28, Iss , Pp 3911-3931 (2024)
This study was aimed at analyzing the properties of the deposited material and interface on a substrate containing an inner lattice structure, layered using directed energy deposition (DED). The substrate with the lattice structure was fabricated usi
Externí odkaz:
https://doaj.org/article/4ce27edd0a084b388371d29b0b3db0a3
Autor:
Yasamin Khebreh Farshchi, Farzad Khodabakhshi, Maryam Mohri, Hassan Shirazi, Mahmoud Nili-Ahmadabadi
Publikováno v:
Journal of Materials Research and Technology, Vol 28, Iss , Pp 490-499 (2024)
The main object of the present study is focused on the systematic processing heat-input design based on directed energy deposition (DED) methodology, enrolling carbon steel phase transformation to control the mechanical properties. Three different 4-
Externí odkaz:
https://doaj.org/article/5e83a506609a4a30a80997e5457e695b
Publikováno v:
Crystals, Vol 14, Iss 8, p 688 (2024)
As high-strength aluminum alloys present several processability issues with additive manufacturing (AM), Scalmalloy®, an Al-Mg-Sc-Zr-based alloy, has been developed. This alloy is age-hardenable, allowing it to precipitate out a strengthening precip
Externí odkaz:
https://doaj.org/article/a508225156a84d11a10a1677b6ca129c