Zobrazeno 1 - 10
of 45
pro vyhledávání: '"JaeHwang Kim"'
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 5017-5027 (2024)
Compressive strength and compressive strain, which are important mechanical properties of directionally solidified TiAl alloy, were predicted using machine learning algorithms, specifically Multiple Linear Regression (MLR), and Random Forest Regressi
Externí odkaz:
https://doaj.org/article/da7ee24740474347a07a91439d19e482
Publikováno v:
Journal of Materials Research and Technology, Vol 18, Iss , Pp 496-507 (2022)
Defect-free T-joints of Al–Mg–Si plates were successively welded using a friction stir welding (FSW) process. Multi-scale microstructure analysis was performed to investigate the metallography of FSW T-joints and comprehend the clustering behavio
Externí odkaz:
https://doaj.org/article/08a17964437f4685b2488c1d2b05dc33
Publikováno v:
Journal of Materials Research and Technology, Vol 18, Iss , Pp 520-530 (2022)
The mechanical properties of a directionally solidified (DS) TiAl alloy were predicted through a random forest regression (RFR) machine learning algorithm. The prediction results were evaluated using the R2 value. As a result, the R2 values of predic
Externí odkaz:
https://doaj.org/article/8fa484c06d31403c939a996233a7a93c
Publikováno v:
Metals, Vol 8, Iss 12, p 1046 (2018)
Two types of nanoclusters, Cluster (1) and Cluster (2), formed at around room temperature and 100 °C, respectively, affect the age-hardening behavior in Al-Mg-Si alloys. Formation of Cluster (1) during natural aging (NA) is more accelerated in the h
Externí odkaz:
https://doaj.org/article/2f95903dad5843a9b21066328b2e5323
Publikováno v:
Journal of Alloys and Compounds. 946:169291
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a04b04c8756f65bec7422973ba59aca2
https://doi.org/10.1016/j.jallcom.2023.169291
https://doi.org/10.1016/j.jallcom.2023.169291
Autor:
DoSung Lee, Seokjung Yun, JaeHwang Kim, JongKweon Lee, Seongmin Chang, YoungGeun Kim, MinYoung Song, Seungbum Hong, Jang-Woo Han, Joonmyung Choi
Publikováno v:
Ceramics International. 47:3853-3866
Y2O3 coating on Al2O3 substrate was prepared by atmospheric plasma spray (APS). Computational fluid dynamics (CFD) was carried out to predict the state of in-flight Y2O3 particles at different powder feeding rates. Microstructure and mechanical prope
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9635dc187141cc8805ffc7014647753c
https://doi.org/10.1016/j.ceramint.2020.09.246
https://doi.org/10.1016/j.ceramint.2020.09.246
Publikováno v:
Journal of Nanoscience and Nanotechnology. 20:540-545
Two types of nanoclusters were detected using DSC thermal analysis operating at -50 °C with liquid nitrogen. The formation of Cluster (1) was substantially suppressed by the formation of Cluster (2) during step quenching at 100 °C for 0.06 ks. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::066b0a79b186187978d1e05118d22d8e
https://doi.org/10.1166/jnn.2020.17278
https://doi.org/10.1166/jnn.2020.17278
Autor:
Hong-Lae Jang, Jaehwang Kim, Hwanjin Kim, Kwangjin Lee, Kwangsan Chun, Changwook Ji, Wangho Yun, Sungwook Kang, Jaewoong Kim
Publikováno v:
Materials
Volume 14
Issue 22
Materials, Vol 14, Iss 6982, p 6982 (2021)
Volume 14
Issue 22
Materials, Vol 14, Iss 6982, p 6982 (2021)
As the environmental pollution issue has recently become significant, environmental regulations in Europe and the United States are being strengthened. Thus, there is a demand for the quality improvement of emission after-treatment systems to satisfy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0bc5fba91c68d548eca91345a365ba95
http://europepmc.org/articles/PMC8620780
http://europepmc.org/articles/PMC8620780
Publikováno v:
Metals and Materials International. 27:1374-1381
The effect of Cu contents on nanocluster formation and the two-step aging behavior of Al–Mg–Si alloys was studied based on hardness, DSC and TEM results. The activation energies for the formation of Cluster (1) were 61.6, 70.3 and 92.9 kJ/mol for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::be196be4e325b0f68bc3aae21f8bc63e
https://doi.org/10.1007/s12540-019-00540-8
https://doi.org/10.1007/s12540-019-00540-8
Publikováno v:
Metals and Materials International. 25:860-868
Two-step aging with the different natural aging times and chemical compositions was carried out in Al–Mg–Si alloys to investigate the clustering and two-step aging behavior. The activation energies of cluster formation through the Kissinger metho
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::abf267bd1733a6d6883cde99fb2f5343
https://doi.org/10.1007/s12540-019-00257-8
https://doi.org/10.1007/s12540-019-00257-8