Zobrazeno 1 - 10
of 103
pro vyhledávání: '"Heung-Kyu Kim"'
Autor:
Kang Ho You, Heung-Kyu Kim
Publikováno v:
Metals, Vol 12, Iss 7, p 1100 (2022)
Data and expressions provided by Hyundai Steel, which are not intended to be disclosed, were included in the figures and text [...]
Externí odkaz:
https://doaj.org/article/4b1eef13de524101bc35490223977c28
Autor:
Kang Ho You, Heung-Kyu Kim
Publikováno v:
Metals, Vol 11, Iss 7, p 1029 (2021)
Hot stamping is a method capable of manufacturing high-strength automotive body parts by inducing a martensitic phase transformation through forming and die quenching after heating a metal sheet into a high temperature austenite phase. However, it is
Externí odkaz:
https://doaj.org/article/b0c96cf4a8a34886a39b1c8aa4b7fce0
Publikováno v:
Metals, Vol 11, Iss 4, p 641 (2021)
In this study, the plastic anisotropy distribution of an extruded 7075 aluminum alloy thick plate was evaluated through small-cube compression tests. The extruded plate with a thickness of 15 mm was divided into five layers in order to verify the dif
Externí odkaz:
https://doaj.org/article/835e489892b043c8bacacc9126fb72ac
Publikováno v:
Materials, Vol 8, Iss 4, Pp 2030-2042 (2015)
Using an inverse analysis technique, the heat transfer coefficient on the die-workpiece contact surface of a hot stamping process was evaluated as a power law function of contact pressure. This evaluation was to determine whether the heat transfer co
Externí odkaz:
https://doaj.org/article/ed782e90b7a24ac3ba52e529a50f90a2
Publikováno v:
Materials, Vol 7, Iss 6, Pp 4088-4104 (2014)
Silicone resin has recently attracted great attention as a high-power Light Emitting Diode (LED) encapsulant material due to its good thermal stability and optical properties. In general, the abrupt curing reaction of the silicone resin for the LED e
Externí odkaz:
https://doaj.org/article/478c91bdd5324e83bf68fb6faf91c14d
Autor:
Heung-Kyu Kim, Woo-Jin Kim
Publikováno v:
Metals, Vol 8, Iss 4, p 257 (2018)
Warm U-draw bending tests were performed on a 5182 aluminum alloy under isothermal and non-isothermal conditions, and the amounts of springback under the corresponding conditions were measured. Finite element method analyses were then conducted to ca
Externí odkaz:
https://doaj.org/article/9840d2fe2e7a4a3387e279dd42404aab
Autor:
Min-Jae Song, Kwon-Hee Kim, Seok-Kwan Hong, Jeong-Won Lee, Jeong-Yeon Park, Gil-Sang Yoon, Heung-Kyu Kim
Publikováno v:
Advances in Materials Science and Engineering, Vol 2015 (2015)
Three-dimensional heat transfer-curing simulation was performed for the curing process by introducing a large area compression molding for simultaneous forming and mass production for the lens and encapsulants in the LED molding process. A dynamic cu
Externí odkaz:
https://doaj.org/article/c766061c0308443893c6662f0d02d107
Publikováno v:
Transaction of the Korean Society of Automotive Engineers. 31:283-292
Autor:
Hwan-Ju Lee, Heung-Kyu Kim, Dong-Earn Kim, Yong-Jun Jeon, Bong-Gu Kim, Chae-Yeom Jeon, Jong-Won Kum
Publikováno v:
Transaction of the Korean Society of Automotive Engineers. 30:153-159
Publikováno v:
Journal of Computational Design and Engineering. 8:1290-1306
This study proposed a new metal-based material design with a modulus of elasticity and thermal conductivity comparable to that of wood by architecturing of metal sheets. The proposed new material is designed in a form in which metal sheets of the sam