Zobrazeno 1 - 10
of 37
pro vyhledávání: '"Omar Fergani"'
Autor:
Elham Mirkoohi, Jinqiang Ning, Peter Bocchini, Omar Fergani, Kuo-Ning Chiang, Steven Y. Liang
Publikováno v:
Journal of Manufacturing and Materials Processing, Vol 2, Iss 3, p 63 (2018)
A physics-based analytical model is proposed in order to predict the temperature profile during metal additive manufacturing (AM) processes, by considering the effects of temperature history in each layer, temperature-sensitivity of material properti
Externí odkaz:
https://doaj.org/article/7597fc314b52407eb6f29d1e68f2e0ab
Publikováno v:
Journal of Manufacturing and Materials Processing, Vol 1, Iss 1, p 3 (2017)
Direct Metal Deposition (DMD) is an additive manufacturing (AM) process capable of producing large components using a layer by layer deposition of molten powder. DMD is increasingly investigated due to its higher deposition rate and the possibility t
Externí odkaz:
https://doaj.org/article/1e46aadc7fbe4932a5644fbc3fa14fb1
Publikováno v:
Materials Science Forum. 941:2030-2036
The production of high-temperature components is of great importance for the transport and energy sector. Forging of high-temperature alloys often requires expensive dies, multiple forming steps and leads to forged parts with large tolerances that re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d0a82097e6d1bdad7c1f042c06f0bd0c
https://doi.org/10.4028/www.scientific.net/msf.941.2030
https://doi.org/10.4028/www.scientific.net/msf.941.2030
The industrial use of laser powder-bed fusion (L-PBF) in turbomachinery is gaining momentum rendering the inspection and quali?cation of certain post-processing steps necessary. This includes fusion techniques that allow to print multiple parts separ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::272c6fc1f2591031aba8ad8372129cc6
https://engrxiv.org/bz29t
https://engrxiv.org/bz29t
Autor:
Omar Fergani, Katharina Eissing
Additive manufacturing processes are enabling the manufacturing of geometries that were impossible to manufacture before. However, the technology is also facing challenges due to process inconsistencies, such as local overheating which creates large
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c86252184e67da688f25652fb582e128
https://engrxiv.org/736a5
https://engrxiv.org/736a5
Publikováno v:
Materials Science and Technology. 34:2223-2230
This work analyses the texture and microstructure gradients emerging in a 316L stainless steel processed by selective laser melting, using an island scan strategy, followed by annealing. Laser processing leads to the alignment of different crystallog
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::08093228607b783b190dc56a12645f4b
https://doi.org/10.1080/02670836.2018.1523518
https://doi.org/10.1080/02670836.2018.1523518
Publikováno v:
Fatigue & Fracture of Engineering Materials & Structures. 41:1102-1119
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c5966b449ae0d5fb6f3f6b3b999cee0e
https://doi.org/10.1111/ffe.12755
https://doi.org/10.1111/ffe.12755
Publikováno v:
The International Journal of Advanced Manufacturing Technology. 93:2227-2242
As the main factor, residual stress undoubtedly restricts the long-term stability of high-precision machining quality parts, arresting an extensive attention on studying its control method. Therefore, a model is meticulously proposed, along with the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c88127a5850e3ce4a3270da5b4daac2d
https://doi.org/10.1007/s00170-017-0693-3
https://doi.org/10.1007/s00170-017-0693-3
Publikováno v:
The International Journal of Advanced Manufacturing Technology. 91:4151-4161
In this study, we propose a new approach to investigate the influence of the grinding process parameters on the friction coefficient of the ground surface when in contact with another surface. This is achieved through the implementation of a physics-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0e131c022d0ab3acc829336cfc94afde
https://doi.org/10.1007/s00170-017-0111-x
https://doi.org/10.1007/s00170-017-0111-x
Publikováno v:
CIRP Annals. 66:305-308
The choice of the sequence of manufacturing processes is a key aspect of smart manufacturing. It can determine the surface functions of the finished component, and it can revolutionize the way things are made. The focus of this paper is the post-proc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d9c34d876e437dd4cf85088989a95ce0
https://doi.org/10.1016/j.cirp.2017.04.084
https://doi.org/10.1016/j.cirp.2017.04.084