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- 저자 : Jin Kon Kim(김진곤) (검색결과 116 건)
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Sn-Sb-Cu-Ni-Cd whitemetal에서 Cu와 Sb가 미세조직과 기계적 특성에 미치는 영향
김진곤,강대성,권영준,김기성,상희선,조현,Kim, Jin-Kon,Kang, Dae-Sung,Kwon, Young-Jun,Kim, Ki-Sung,Sang, Hie-Sun,Cho, Hyun 한국결정성장학회 2008 한국결정성장학회지 Vol.18 No.1
The effects of Cu and Sb on the microstructure and mechanical properties of Sn-Sb-Cu-Ni-Cd whitemetal were investigated. Any compound phase was not observed in the whitemetal with 0.05 wt% Cu, while as the Cu content was increased, star- or needle-like $Cu_6Sn_5$ phases were found. The tensile strength gradually increased with Cu up to 5 % and then remained almost constant with Cu content above 5 %, while the hardness continuously increased with Cu content because of the increased hard $Cu_6Sn_5$ phases. As the Sb content increased, SbSn cuboids were present as well as $Cu_6Sn_5$. The tensile steength and hardness continuously increased and the elongation decreased with Sb content.
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Microwave plasma CVD에서 Ni 기판에 다이아몬드 박막 증착
김진곤,류수착,조현,Kim, Jin-Kon,Ryu, Su-Chak,Cho, Hyun 한국결정성장학회 2002 한국결정성장학회지 Vol.12 No.6
Two different approaches, namely two-step deposition process and Bias-Enhanced Nucleation (BEN) technique have been examined for deposition of high quality diamond thin film on polycrystalline Ni which has low chemical activity with the carbon neutrals provided from the $CH_4/H_2$mixtures. A two-step deposition process, consisted of pre-deposition of soot layer at lower temperatures and subsequent deposition at higher temperature condition, has been developed to deposit diamond layer directly on Ni substrate. Diamond particles were observed after deposition step at $925^{\circ}C$ for 5 hours and those particles seem to be nucleated from the soot layer pre-deposited at lower temperatures ($810^{\circ}C$). Diamond particles of a substantial size were found on Ni substrate after biasing -220 V for 10 minutes and subsequent deposition for 2 hours while no diamond particles were observed under the conditions without applied bias.
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김진곤(Kim Jin-Kon),백용재(Baek Yong-Jae) 한국콘텐츠학회 2006 한국콘텐츠학회 종합학술대회 논문집 Vol.4 No.1
본 연구는 유저인터페이스 디자인에서의 정량적 사용성 분석방법과 정성적 사용성 분석방법을 혼용하여 개발한 방법론의 소개를 통해 사용자 심층적 경험과 욕구파악의중요성을 강조하고 이의 적극적 활용을 제안하고자 한다. 본 연구방법론은 People, Prototype, Product에 대한 조사범주 및 3단계 순환과정의 반복과 탐험적 과정을 통해 사용자의 잠재된 경험과 욕구를 발견하고 이를 유저인터페이스 디자인에 반영 가능하도록 한다는 데 의의가 있다. This study aims to emphasize the need for the in-depth experience and understanding of desire as to the User Interface Design through the introduction of the methodology which was developed by mixing quantitative utilization analysis and qualitative utilization analysis and to propose the active use of that. The methodology of this study is significant in that it tries to identify the latent experience and desire of user and reflect them in the User Interface Design through the repetition of 3 staged circular process and exploratory process related to the investigation category of people, prototype and product.
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수업용 웹사이트 활용빈도에 의한 학습자 측면의 효과 -저작 툴 학습 교과목을 중심으로-
김진곤 ( Jin Kon Kim ) 커뮤니케이션디자인학회 2012 커뮤니케이션 디자인학연구 Vol.41 No.-
Development of information and communication technology offers many changes and possibilities to educational environment, Building and management of integrated educational environment through combination of online and offline will makes compensate the defect and achieve maximum educational effectiveness. The purpose of the research is to check whether the problem has been encountered after regular classes or not , feel the necessity of reviewing the lesson, whether the problem occurred during use, and did the web site helps problem solving, degree of positive cognition about web site for use in classes. One-way ANOVA was performed to the effect of students ideas of web site for use in classes by five hypotheses in use frequency. The results of the analysis are the more learner use web site frequently, the more they interested in learning and the level of understanding learning is much higher. But the level of fellowship with professor has no connection with use frequency. The more learner use web site frequently, the level of acquisition in knowledge much higher and the level of the will about learning is too.
ScienceON
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