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원격실행 기술을 이용한 강의지원 웹사이트 자동생성시스템 설계 및 구현
임인택,김재일,송규백,김종근,Im, In-Taek,Kim, Jae-Il,Song, Gyu-Baek,Kim, Jong-Geun 한국정보처리학회 2000 정보처리논문지 Vol.7 No.6
Recently, various web page development tools for both the beginner and the experienced user are introduced. These tools allow them to generate web pages easily and quickly. However the web pages generated by the tools have lots of functional limitations. Generally authors must have much knowledge for web authoring tools, HTML, CGI programming to open web sites for special purpose. Especially, most of the lecture supporting web site necessarily requires much effort to construct it as well as special functions using CGI, Javascript, Java Applet, etc. to generate dynamic web pages. In order to solve above mentioned limitations, we design and implement an automatic web site construction system using RASIS based on remote execution technologies.
AM80-xSn 마그네슘 합금의 반응고 주조 및 압출에 따른 미세조직 및 기계적 특성
김대환 ( Dae-hwan Kim ),임인택 ( In-taek Im ),( Qinlin Jin ),임수근 ( Su-gun Lim ) 한국주조공학회 2016 한국주조공학회지 Vol.36 No.6
In a recent study, the microstructures and mechanical properties of AM80-xSn magnesium alloys with semi solid casting and hot extrusion process were investigated. With increasing Sn content, the amount of β(Mg2Sn) phase increased, while the α-Mg dendritic size decreased. The hardness was increased by the Mg2Sn as the Sn content increased. With increasing Sn content, permanent mold cast and semi solid cast AM80 Mg alloy showed less reduction of hardness and also of extruded AM80 Mg alloy after annealing. In the case of the mechanical properties, the extruded semi solid casting AM80 Mg alloy showed higher tensile strength and yield strength with increasing Sn content compared to the extruded permanent mold cast AM80 Mg alloy at room temperature.
Mg 첨가에 따른 A356 합금의 열처리 및 기계적 특성 변화
조재찬 ( Jae-chan Jo ),김광삼 ( Kwang-sam Kim ),임인택 ( In-taek Im ),김대환 ( Dae-hwan Kim ),심성용 ( Sung-yong Shim ),임수근 ( Su-gun Lim ) 한국주조공학회 2016 한국주조공학회지 Vol.36 No.6
The effects of Mg addition on heat treatment and mechanical properties of A356 alloy were investigated. With increased amounts of Mg addition to A356 alloy, the grain size decreased and eutectic Si was refined. And, this process can improve the mechanical properties. Solid solution heat treatment causes the spheroidizing of eutectic Si. In this study, although eutectic Si was refined with Mg addition, solid solution time increased from 2 hours to 6 hours with Mg addition, and aging time also increased, from 4 hours to 8 hours. After heat treatment, Mg2Si remained in a formation of Chinese script. And, Chinese script Mg2Si formed with Mg addition caused a reduction of the elongation of the alloys according to the stress concentration.