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Sang-Yoon Chang, Kyungmin Park, Jonghyun Kim and Jinoh Kim
A flying base station based on an unmanned aerial vehicle (UAV) uses its mobility to extend its connectivity coverage and improve its communication channel quality to achieve a greater communication rate and latency performances. While UAV flying base st...
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Jinyeong Yu, Seung Jun Oh, Seunghun Baek, Jonghyun Kim and Taekyung Lee
The multi-pass caliber rolling (MPCR) of Mg alloy has attracted much attention due to its engineering and manufacturing advantages. The MPCR process induces a unique microhardness variation, which has only been predicted using a finite element analysis t...
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Seonguk Hong, Sangki Yoon, Jonghyun Kim, Changjong Lee, Seunghun Kim and Yongtaeg Lee
The purpose of this study is to estimate the compressive strength according to the age of the concrete structure using ultrasonic pulse velocity method. If the correlation between the ultrasonic pulse velocity and the compressive strength according to th...
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JaeHyung Park, JongHyun Lee, SiJin Kim and InSoo Lee
Authors are encouraged to provide a concise description of the specific application or a potential application of the work. This section is not mandatory.
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Hojun Shin, Hyojae Kim, Yeongseok Jang, Jinmu Jung and Jonghyun Oh
A femtosecond laser can be used for single or multiple writing processes to create sub 10-µm lines or holes directly without the use of masks. In this study, we characterized the depth and width of micro-channels created by femtosecond laser micro-scribi...
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