Zobrazeno 1 - 10
of 157
pro vyhledávání: '"Kevin Chou"'
Autor:
Beytullah Aydogan, Kevin Chou
Publikováno v:
Metals, Vol 14, Iss 6, p 669 (2024)
Over the past decade, significant research has focused on detecting abnormalities in metal laser powder bed fusion (L-PBF) additive manufacturing. Effective online monitoring systems are crucial for enhancing process stability, repeatability, and the
Externí odkaz:
https://doaj.org/article/bfbba8449077464ba4c424e2206266f6
Publikováno v:
Materials, Vol 17, Iss 11, p 2639 (2024)
Among various metal additive manufacturing (AM) technologies, L-PBF is known for fabricating intricate components. However, due to step edges and powder particle attachments, attaining a good surface finish is challenging, especially on downskin surf
Externí odkaz:
https://doaj.org/article/f9bdaa8b7d3847d4b51af1b798f733c3
Autor:
Trong-Nhan Le, Kevin Chou
Publikováno v:
Metals, Vol 13, Iss 5, p 976 (2023)
Laser powder–bed fusion (L-PBF) metal additive manufacturing has been widely utilized in various industries. However, large variability and inconsistent quality of the built parts still hinder the full potential of this manufacturing technology. Re
Externí odkaz:
https://doaj.org/article/fbaf7b9bc6da4061b2085285a98a9758
Autor:
Subin Shrestha, Kevin Chou
Publikováno v:
Journal of Manufacturing and Materials Processing, Vol 6, Iss 6, p 153 (2022)
The continuous back-and-forth melting of the powder bed during the laser powder bed fusion (LPBF) process leads to the development of residual heat, which affects the melt pool geometry as the laser scan progresses. The magnitude of the residual heat
Externí odkaz:
https://doaj.org/article/c7a044d6313d4e05899f23743da0a758
Publikováno v:
Virtual and Physical Prototyping, Vol 13, Iss 1, Pp 8-13 (2018)
Melt pool dimension can help to relate process parameters and build part quality in selective laser melting (SLM) process. In this study, a near-infrared thermal imager (about 670 nm spectral range) was employed to collect powder layer thermal signal
Externí odkaz:
https://doaj.org/article/a2525ede614044ada2c163d23d644a2b
Publikováno v:
Inventions, Vol 3, Iss 1, p 2 (2017)
This study investigates the feasibility of a novel concept, contact-free support structures, for part overhangs in powder-bed metal additive manufacturing. The intent is to develop alternative support designs that require no or little post-processing
Externí odkaz:
https://doaj.org/article/a67f37f9f0364221acaad18bceafde1e
Publikováno v:
The International Journal of Advanced Manufacturing Technology. 123:119-144
Autor:
Behzad Fotovvati, Kevin Chou
Publikováno v:
Manufacturing Letters. 33:701-711
Autor:
Subin Shrestha, Kevin Chou
Publikováno v:
Manufacturing Letters. 32:19-23
In this study, the influence of selective laser melting (SLM) parameters on the surface characteristics of “single-layer” raster scanning deposits, with Ti6Al4V powder, is thoroughly investigated through experimental, computational, and data-driv
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ae3f409bec418159e038a0786c35d4f4
https://doi.org/10.21203/rs.3.rs-1859239/v1
https://doi.org/10.21203/rs.3.rs-1859239/v1