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곽영환,차천석 한국생산제조학회 2022 한국생산제조학회지 Vol.31 No.3
The most important requirement in the initial design stage of vehicles is that the structural members of a vehicle body adequately absorb impact energy and secure a safe space during collision. Furthermore, it is the development of materials for weight reduction. Therefore, the collapse characteristics caused by the collision of the structural member having the largest collision energy absorption must be accurately understood when designing a vehicle in consideration of a safe and lightweight design. In this study, the impact collapse experiments were conducted after designing, manufacturing, and molding single hat and double-hat cross-section members of steel and carbon fiber reinforced plastic(CFRP)/epoxy materials. By examining the resulting energy absorption characteristics, accurate design data could be obtained to develop the side structural members for optimal lightweight vehicles.
地域經濟力 提高方案으로서 地方中小企業 育成에 關한 硏究 : 忠北地域을 中心으로
郭永煥 청주대학교 대학원 1994 우암논총 Vol.11 No.-
Korea's economy has remarkably grown even under the poor conditionsin capital and technology for the last 30 year. It is true to say that this growth has owed to partly government policies and partly to some large companies. Accordingly, small and medium sized companies, expecially those located in local areas, have been neglected in economic development policies and naturally made all efforts to survive in this situation. Current Small and Medium Sized Companies Act defines the companies which have under 200 employees as small and medium sized companies. The Act also defines the companies which are located in local areas with a population of under 200,000 as local small and medium sized companies. In particular, main problems of small and medium sized companies located in Chungchong area are frail industrial structure, sluggish action and feeble utilization of potentiality of the area. To overcome the problems, promising companies have to pursue to have scale of economy and have to be given supports such as tax reduction and monetary favors. Most of all, before benefiting by government policies, the companies' efforts for having efficient management must proceeded. Also, the companies have to do their best to be specialized in product and to purchase land for their factories in lower price. Provincial governments have to lighten the requirements for the active establishment of small and medium sized companies. As small and medium sized companies located in Chungchong area have plenty of potential, it is very important to give supports to the companies from the local governments for the prevention of drain of the potential as well as for being stronghold rooted in the area.