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시린더 라이너용 내마모주철의 (耐磨耗鑄鐵) 개발에 관한 연구
전은철,최창옥 ( En Cheol Jeon,Chang Ock Choi ) 한국주조공학회 1988 한국주조공학회지 Vol.8 No.1
This study has been carried out to investigate the wear characteristics of alloyiron casting for cylinder liner application under dry rolling condition by amsler type wear test with 9.09% sliding. The results obtained from this study are summrized as follows: 1. The amount of rolling wear is increased with increasing of rolling revolution and maximum compressive stress, and wear amount of alloy cast iron under dry condition is increased by alloying element; P, Ti, Mo, Cu and V. 2. The weight loss ratio by rolling revolution of alloy cast iron is changed with uniform by P and Ti elements and with variable by other elements. 3. It has been found that the amount of rolling wear and the hardness of alloy cast iron by alloying elements under dry rolling condition is not related for abnormal wear.
객체 지향 方法을 이용한 멀티미디어 文書 편집기의 設計 및 具現
전은철,정혜윤,박성한 한양대학교 공학기술연구소 1992 공학기술논문집 Vol.1 No.1
This paper proposed a design technique of multimedia document editing system by using object-oriented methodology and its implementation using object-oriented language. The multimedia document editing system can generate a mixed document which consists of text, image, graphic and video, verifying the results by formatting document and process the information of position per page. The hierachical structured design of the class library is proposed where document processing methodolgy and object-oriented one are employed. The system is implemented with Turbo C++ package which provides object-oriented compiling function on a PC.