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용탕조건에 따른 상용 차량용 어댑터 하우징의 열적특성에 관한 연구

A Study on Thermal Characteristics of Adaptor Housing for Commercial Vehicles according to Molten Metal Condition

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주제분류기계공학

초록

In this study, the thermal behavior of adaptor housing was analyzed by the numerical method. The boundary conditions used to die casting process were the temperature of molten metal and injection time. As the temperature of the molten metal increased, the tensile strength of the product decreased by the blow hole generated in the molten metal, and the decreasing tendency was gradually decreased. As the injection time ofthe molten metal increased, the heat flux rose, but the degree of the increase was very small. So, the injection time of the molten metal had little effect on the thermal behavior and diffusion of the adapter housing. As a result, the heat of the molten metal was transferred into the housing and the thermal behavior spread widely.

Abstract

In this study, the thermal behavior of adaptor housing was analyzed by the numerical method. The boundary conditions used to die casting process were the temperature of molten metal and injection time. As the temperature of the molten metal increased, the tensile strength of the product decreased by the blow hole generated in the molten metal, and the decreasing tendency was gradually decreased. As the injection time ofthe molten metal increased, the heat flux rose, but the degree of the increase was very small. So, the injection time of the molten metal had little effect on the thermal behavior and diffusion of the adapter housing. As a result, the heat of the molten metal was transferred into the housing and the thermal behavior spread widely.

참고문헌 (9)

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  2. 박경민, "하이브리드 상용트럭 에어 브레이크 챔버 요소부품의 구조적 해석 연구", 한국기계기술학회지, 15(5), pp.717~723 (2013), 한국기계기술학회[DOI]
  3. 김진택, "상용 트럭의 공압 브레이크 제동 특성에 미치는 인자에 대한 연구", 한국산학기술학회논문지, 15(1), pp.8~13 (2014), 한국산학기술학회[DOI]
  4. T. R. Vijayaram, "Numerical simulation of casting solidification in permanent metallic molds", Journal of Materials Processing Technology, 178, pp.29~33 (2006)
  5. S. V. Shepel., "Numerical simulation of filling and solidification of permanent mold casings", Applied Thermal Engineering, 22, pp.229~248 (2002)
  6. O. Richmond., "Theory of Thermal Stress and Air-Gap Formation during the Early Stages of Solidification in a Rectangular Mold", Journal of Mechanical Physics and Solids, 19, pp.273~284 (1971)
  7. 박창선, "차량의 연료압력 레귤레이터 성형해석", 한국생산제조학회지, 20(2), pp.151~156 (2011), 한국생산제조학회
  8. 고동국, "타이어 몰드 표면에서의 열유속 및 열전달 시간에 따른 몰드의 온도분포에 관한 수치해석 연구", 한국기계기술학회지, 18(6), pp.893~898 (2016), 한국기계기술학회[DOI]
  9. "KS D 2331:2009, Aluminium alloy ingots for die casting", Korean Agency for Technology and Standards, ~ (2015)

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