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강복현 ( Bik Hyun Kang ),김기영 ( Ki Young Kim ),김태범 ( Tae Bun Kim ) 한국주조공학회 2012 한국주조공학회지 Vol.32 No.3
Chill vent has a zigzag venting path which allows residual air or gases to exhaust out very quickly from the die cavity. However molten metal sometimes comes out through the gas venting surfaces causing flash. Effect of designing factors of chill vent and processing variables in high pressure die casting on the performance of chill vent was investigated through a series of calculations by using a commercial code. The most influential factor was the thickness of chill vent, followed by inlet velocity, vent width and die temperature.
송태복 ( Tae Bik Song ) 한남대학교 사회과학연구소 1996 사회과학연구 Vol.6 No.-
The European Economic Community was found at1.1.1958. It was estab-lished a common market, which aimed to develop agriculture and common econ-omic growth. European Integration is rather complex problem, which includes a lot of political, economical and social matters. European Union is a kind of su-pernational institution equipped with the European commission, the council of ministers, the European parliament and European court. But The member of EU must lose a part of their socereignty. So, the problem of sovereignty is a very critical point. It seems that the European economical and political integration process prov-ide for a promising model of regional integration. The acceleration of EU was escalated after the world trade globalization following the breakdown of commu-nism 1989. Now, EU faces with a very ambitious plan of common monetary system might be a fundamental obstacle in the process of EU.