Zobrazeno 1 - 10
of 19
pro vyhledávání: '"DongEung Kim"'
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-12 (2023)
Abstract Grain refinement is a crucial issue in metallic materials. One of the emerging techniques to obtain equiaxed grains is to apply an electric current to the liquid metal during solidification. With this view, in this paper, the effect of elect
Externí odkaz:
https://doaj.org/article/47d11ca3284d4646acf3ca4cd71e9815
Publikováno v:
Journal of Materials Research and Technology, Vol 12, Iss , Pp 818-830 (2021)
The effect of electric current on the refinement of pure aluminum during solidification was investigated based on microstructural observations and numerical simulations. Coarse columnar grains are observed without the application of direct current (D
Externí odkaz:
https://doaj.org/article/052b773cb49d420080ff903a39823ef2
Autor:
Sang-Wook Lee, Ji-Ho Ahn, Byung-Moon Moon, DongEung Kim, SeKwon Oh, Young-Jig Kim, Hyun-Do Jung
Publikováno v:
Materials & Design, Vol 194, Iss , Pp 108906- (2020)
One of the biggest challenges of nuclear industries is to fabricate safe, stable and efficient materials for the storage and transportation of spent nuclear fuels (SNFs), these materials are known as neutron shielding and absorbing materials. Recentl
Externí odkaz:
https://doaj.org/article/321705483ba44d508015735ccdf13f9c
Autor:
Jinyoung Kim, Hyun Lee, Tae-Sik Jang, DongEung Kim, Chang-Bun Yoon, Ginam Han, Hyoun-Ee Kim, Hyun-Do Jung
Publikováno v:
Metals, Vol 11, Iss 4, p 618 (2021)
As biocompatible metallic materials, titanium and its alloys have been widely used in the orthopedic field due to their superior strength, low density, and ease of processing. However, further improvement in biological response is still required for
Externí odkaz:
https://doaj.org/article/c5f238dbc3624e108954a716e9148c59
Publikováno v:
Metals, Vol 10, Iss 3, p 330 (2020)
In aluminum casting, the temperature of liquid aluminum and the dissolved hydrogen density are crucial factors to be controlled for the purpose of both quality control of molten metal and cost efficiency. However, the empirical and numerical approach
Externí odkaz:
https://doaj.org/article/88ac431a543f423187b26062db339ff8
Publikováno v:
Korean Journal of Metals and Materials. 61:18-27
The main components of molding sand used in sand casting are sand, clay and water. The composition of the molding sand has a great influence on the properties of the casting. In order to obtain high-quality castings, it is important to manage the com
Publikováno v:
Korean Journal of Metals and Materials. 60:713-721
We investigated various numerical methods including a physical-based empirical equation, linear regression, shallow neural network, and deep learning approaches, to compare their accuracy for predicting the hardness of tempered martensite in low allo
Publikováno v:
Journal of Materials Research and Technology, Vol 12, Iss, Pp 818-830 (2021)
The effect of electric current on the refinement of pure aluminum during solidification was investigated based on microstructural observations and numerical simulations. Coarse columnar grains are observed without the application of direct current (D
Publikováno v:
International Journal of Precision Engineering and Manufacturing. 21:1357-1362
As electronic devices have become smaller, the importance of heat dissipation has grown. Therefore, to contribute to heat emission reduction efforts, we investigated the thermal diffusivity of Ag/CNT added to Ag matrix and compared it to that of pure
Autor:
Hyoun-Ee Kim, Hyun Lee, DongEung Kim, Hyun-Do Jung, Tae-Sik Jang, Ginam Han, Chang-Bun Yoon, Jin Young Kim
Publikováno v:
Metals, Vol 11, Iss 618, p 618 (2021)
Metals
Volume 11
Issue 4
Metals
Volume 11
Issue 4
As biocompatible metallic materials, titanium and its alloys have been widely used in the orthopedic field due to their superior strength, low density, and ease of processing. However, further improvement in biological response is still required for