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임창빈,여동훈,신효순,조용수,Lim, Chang-Bin,Yeo, Dong-Hun,Shin, Hyo-Soon,Cho, Yong-Soo 한국세라믹학회 2011 한국세라믹학회지 Vol.48 No.6
Additives for low temperature sintering of mullite ceramics were investigated for matching Mo-Cu conducting paste with that ceramics at 1,400$^{\circ}C$. $SiO_2$, MgO and $Y_2O_3$ were chosen as the additives for low temperature sintering, and the amounts of those additives were varied with sintering temperature of 1,400$^{\circ}C$ to 1,500$^{\circ}C$. With additives of 1.0 wt% of $SiO_2$, 1.0 wt% of MgO, and 1.5 wt% of $Y_2O_3$, the densest sintered body of 3.12 g/$cm^3$ was obtained at 1,400$^{\circ}C$ in reducing atmosphere. The flexural strength of that was 325 MPa and the CTE (Coefficient of thermal expansion) was 4.33 ppm/$^{\circ}C$.
동해 파랑관측 자료를 활용한 포물선형 평형해안선 식의 타당성 조사
임창빈(Chang Bin Lim),이정렬(Jung Lyul Lee) 한국해양공학회 2018 韓國海洋工學會誌 Vol.32 No.2
The present study investigated the validity of an equilibrium shoreline empirical formula for real phenomena. Among three types of equilibrium shoreline formulas, Hsu’s parabolic type static formula was employed, which is well-known and the most practical for shoreline estimation after coastal or harbor structure construction. The wave data observed at Maengbang beach and the CERC formula on longshore sediment transport were used in the present investigation. A comparison study was only conducted for the case of a shoreline change after the construction of a groyne. Reasonable agreement was seen between the observed wave data and the data obtained under a wave angle spreading function S = 3.5. However, significant changes were observed when S increased. Thus, careful application is required when using Hsu’s formula.