http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
저온분사 공정에서 구리분말 충돌속도 변화에 따른 충돌변형 거동의 유한요소해석
조규진,윤승채,김형섭,Cho, Kyu-Jin,Yoon, Seung-Chae,Kim, Hyoung-Seop 한국분말야금학회 2008 한국분말재료학회지 (KPMI) Vol.15 No.3
Dynamic plastic deformation behavior of copper particles occurred during the cold spray processing was numerically analyzed using the finite element method. The study was to investigate the impact as well as the heat transfer phenomena, happened due to collision of the copper particle of $20{\mu}m$ in diameter with various initial velocities of $300{\sim}600m/s$ into the copper matrix. Effective strain, temperature and their distribution were investigated for adiabatic strain and the accompanying adiabatic shear localization at the particle/substrate interface.
조규진 ( Kyu Jin Cho ),김도기 ( Do Ki Kim ),김명수 ( Myung Soo Kim ) 한국초등교육학회 2011 초등교육연구 Vol.24 No.4
This paper was to analyse the conditions of Good Teaching based on the previous studies and the cognition of teachers and pre-teachers. To achieve the goal of this study, we analysed the studies concerning components, cognition, strategy, traits of Good Teaching and compared with the cognition of teachers and pre-teachers. Also we analysed the contents of the survey from them and recomposed and categorized. Then made up the common essential requisites for Good Teaching. Regarding the improvement of the Classroom Teaching, Instruction Design, Instructional Consulting and Instruction assessment, this paper suggested 5 requisites as conditions of Good Teaching. These are made up of Good Design, Good Telling, Good Showing, Good Involving, Good Understanding.