Zobrazeno 1 - 10 of 127 pro vyhledávání: '"Sang Pill Lee"'
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Akademický článek
Change of Microstructure and Hardness of Duo-Casted Al3003/Al4004 Clad Material during Extrusion Process
Autor: Jin-Kyung Lee, Sang-Pill Lee, Jong-Sup Lee, Sangmok Lee, Ilguk Jo, Dong-Su Bae
Publikováno v: Metals, Vol 10, Iss 12, p 1648 (2020)
This study was carried out to observe and measure the microstructure, distance between dendrite arms, aspect ratio, and Knoop hardness change of extruded material formed by the hydro co-extrusion of Al3003/Al4004 clad material manufactured by the duo
Externí odkaz: https://doaj.org/article/f46f7eaf232a4df58f68924a2dc0ebd9
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4
Accuracy-Enhanced Angle-of-Arrival Finding System Using Switched Six-Port Network
Autor: Hye-Won Jo, Choong-Ho Song, Ghoo Kim, Jong-Won Yu, Sang-Pill Lee, Kwang-Seok Kim, Eun-Ki Kim
Publikováno v: IEEE Antennas and Wireless Propagation Letters. 20:219-223
In this letter, a switched six-port (SP) receiver is proposed for an accurate angle-of-arrival (AoA) finding system. The proposed switched six-port network consists of four antennas, two hybrid couplers, two dual-pole-dual-throw switches, and four po
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::88424956daa99554daab16fd5d03b27d
https://doi.org/10.1109/lawp.2020.3044641
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8
Microstructures and Mechanical Properties of Extruded Al 7050 Billet and Ring Forged One with Large Scale
Autor: Tae-Won Park, Sung-Seop Hong, Dong-Su Bae, Sang-Pill Lee, Chang-Beom Chang, Jin-Kyung Lee, Kyung-Hwan Joo
Publikováno v: Journal of the Korea Society For Power System Engineering. 20:40-45
The manufacturing process of large scaled Al 7050 alloy is difficult for the occurrence of solidification crack during casting. The aims of this study are the evaluations of microstructure and mechanical properties of extruded Al 7050 billet and ring
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::69e5f6c7bcdc0d97cbcda44a219d21cc
https://doi.org/10.9726/kspse.2016.20.6.040
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9
Nondestructive technique application for corrosion evaluation by hydrogen charging of stainless steel
Autor: Sung Guk Hwang, Jin-Kyung Lee, Sang Pill Lee, Dong Su Bae, Joon-Hyun Lee
Publikováno v: Fusion Engineering and Design. :752-759
Caused corrosion by hydrogen on stainless steel using nondestructive technique is one of issues to be clarified in nuclear fusion industry. In this study, an ultrasonic wave was used to evaluate the degree of corrosion by hydrogen charging of stainle
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b8bde9756547b95704cfc0039a92cbb7
https://doi.org/10.1016/j.fusengdes.2016.02.006
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10
Evaluation of intermediate phases formed on the bonding interface of hot pressed Cu/Al clad materials
Autor: Dong-Su Bae, Yong-Bae Kim, Geun-An Lee, Kwang Seok Lee, Sang-Pill Lee, Sang-Mok Lee, Jongsup Lee
Publikováno v: Metals and Materials International. 22:849-855
The aim of the present study is to identify the properties of intermediate phases formed on the bonding interface of hot pressed Cu/Al clad materials by transmission electron microscopy and nano-indentation analyses. Cu/Al clad materials were fabrica
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::82908312581e6fce32c67f5fc682b5b3
https://doi.org/10.1007/s12540-016-6245-9
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