Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Nana Kwabena Adomako"'
Publikováno v:
Additive Manufacturing Letters, Vol 11, Iss , Pp 100238- (2024)
Process parameters optimization in additive manufacturing (AM) is usually required to unlock superior properties, and this is often facilitated by modeling. In electron beam powder bed fusion (E-PBF), the preheat temperature is an important parameter
Externí odkaz:
https://doaj.org/article/4c1f69e4e6064c84af7d9b4d7089c1e6
Autor:
Giseung Shin, Marzieh Ebrahimian, Nana Kwabena Adomako, Haneul Choi, Dong Jun Lee, Ji-Hyun Yoon, Dae Whan Kim, Jun-Yun Kang, Min Young Na, Hye Jung Chang, Jeoung Han Kim
Publikováno v:
Materials & Design, Vol 227, Iss , Pp 111681- (2023)
In this study, the additive manufacturing of a functionally graded material (FGM) via directed energy deposition was investigated as an alternative to joining dissimilar metals. The metal powder composition of the FGM was gradually changed from fully
Externí odkaz:
https://doaj.org/article/46f77c4c380d40559054405188ef88e4
Publikováno v:
Materials & Design, Vol 223, Iss , Pp 111245- (2022)
The adaptation of additive manufacturing (AM) for Ni-based superalloys has gained significance in aerospace and power-generation industries due to the ability to fabricate complex, near-net-shape components on-demand and with minimal material waste.
Externí odkaz:
https://doaj.org/article/38ab6c0e9f4b4fe0848db8fb254b65c3
Publikováno v:
Materials Research Letters, Vol 7, Iss 7, Pp 259-266 (2019)
For the first time, additive manufacturing was used to obtain a strong joint (bonding strength >200 MPa) between stainless steel and Ti-6Al-4V using a V interlayer. The V interlayer applied via solid-state joining prevented the formation of brittle i
Externí odkaz:
https://doaj.org/article/389125d25a8f46e2a8337d2a72586602
Publikováno v:
Metals, Vol 11, Iss 4, p 629 (2021)
Residual stress is a crucial element in determining the integrity of parts and lifetime of additively manufactured structures. In stainless steel and Ti-6Al-4V fabricated joints, residual stress causes cracking and delamination of the brittle interme
Externí odkaz:
https://doaj.org/article/e8b6e80dbfec42b9ab7a29488f70230a
Publikováno v:
Journal of Materials Science & Technology. 85:95-105
High entropy alloys (HEAs) have superior mechanical properties that have enabled them to be used as structural materials in nuclear and aerospace applications. As a dissimilar joint design is required for these applications, we created a dissimilar j
Autor:
Chan Woong Park, Raj Narayan Hajra, Nana Kwabena Adomako, Woong Choo, Seung-Min Yang, Seok-Jun Seo, Jeoung Han Kim
Publikováno v:
Materials Letters. 337:133936
Autor:
Nana Kwabena Adomako, John J. Lewandowski, Barton Mensah Arkhurst, Haneul Choi, H. J. Chang, Jeoung Han Kim
Publikováno v:
SSRN Electronic Journal.
Autor:
Giseung Shin, Marzieh Ebrahimian, Nana Kwabena Adomako, Haneul Choi, Dong Jun Lee, Ji-Hyun Yoon, Dae Whan Kim, Jun-Yun Kang, H. J. Chang, Jeoung Han Kim
Publikováno v:
SSRN Electronic Journal.
Autor:
Taesung Park, Youngkuk Kim, Jeoung Han Kim, Andrews-nsiah Ashong, Seung-min Yang, Nana Kwabena Adomako
Publikováno v:
Coatings, Vol 11, Iss 755, p 755 (2021)
Coatings
Volume 11
Issue 7
Coatings
Volume 11
Issue 7
The feasibility of using a high-entropy rare-earth oxide (REO) as a top coating material for thermal barrier coatings was explored using the atmospheric plasma spray technique. The microstructure and Vickers hardness of the coating layer were compare