Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Unhae Lee"'
Publikováno v:
Journal of Materials Research and Technology, Vol 29, Iss , Pp 1744-1755 (2024)
The phase formation in high entropy alloys (HEAs) presents a significant challenge due to the complexity of their composition and the intricate interactions between multiple elements. The machine learning (ML) and deep learning (ANN) models play a cr
Externí odkaz:
https://doaj.org/article/9302e37b98754cd5af29fad84a9d6086
Publikováno v:
Journal of Materials Research and Technology, Vol 24, Iss , Pp 2621-2628 (2023)
The yield strength property is important to consider while designing high entropy alloys (HEAs). In order to obtain the desired yield strength of HEAs through the experimental method it is a difficult, expensive, and time-consuming process due to the
Externí odkaz:
https://doaj.org/article/19985edfe670462498b23c86b684ebf1
Autor:
Akbar Heidarzadeh, Rasoul Khajeh, Reza Jabraeili, Hamid Reza Jafarian, Mohamed Ahmed, Nokeun Park, Unhae Lee
Publikováno v:
Journal of Materials Research and Technology, Vol 24, Iss , Pp 1897-1909 (2023)
The main problem in post-treatment of laser powder bed fusion (L-PBF) AlSi10Mg is the sharp reduction in strength when the ductility enhances, i.e. the problem of strength-ductility trade-off. Friction stir welding (FSW) at a low rotational speed of
Externí odkaz:
https://doaj.org/article/9b8e3b11c6cc4b02a38f6239281bb967
Autor:
Unhae Lee, Jae Wung Bae
Publikováno v:
Materials, Vol 16, Iss 9, p 3589 (2023)
Metal alloys with enhanced mechanical properties are in considerable demand in various industries. Thus, this study focused on the development of nanosized precipitates in Fe71.25(CoCrMnNi)23.75Cu3Al2 maraging medium-entropy alloy (MEA). The Fe-based
Externí odkaz:
https://doaj.org/article/6c92cb923cbb4de6a38336136db636c1
Publikováno v:
Journal of Alloys and Compounds. 956:170193
Autor:
Unhae Lee
Publikováno v:
Vacuum. 213:112103
Publikováno v:
Journal of Materials Science & Technology. 57:123-130
In this study, mechanical properties improvement of equiatomic CoCrFeMnNi treated with an ultrasonic nanocrystal surface modification (UNSM) was studied. The applied UNSM treatment with static loads of 10 N, 20 N, and 60 N provided a severe plastic d
Publikováno v:
SSRN Electronic Journal.
Publikováno v:
International Journal of Pressure Vessels and Piping. 199:104759
Publikováno v:
JOM. 71:3452-3459
The Fe50(CoCrMnNi)50 medium-entropy alloy can be considered a bridging alloy between the multicomponent medium- and high-entropy alloys and conventional steels. In this study, the combined effect of friction stir processing (FSP) and addition of WC-r