Journal of the Korean Society of Manufacturing Process Engineers (한국기계가공학회지)

The Korean Society of Manufacturing Process Engineers (한국기계가공학회)
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Analysis on Enameled Container with Different Coating Thicknesses of Enamel in Pyrolysis Process

법랑공정에서 Enamel 도포두께에 따른 강판 용기의 변형 메커니즘 분석

  • Park, Sang-Hu (School of Mechanical Engineering, ERC/NSDM, Pusan National University) ;
  • Kang, Dong-Suk (Graduate School of Mechanical Engineering, Pusan National University) ;
  • Yu, Jae-Hyun (Korea Institute of Industrial Technology (KITECH))
  • 박상후 (부산대학교 기계공학부, 정밀정형 및 금형가공연구소) ;
  • 강동석 (부산대학교 기계공학부 대학원) ;
  • 유재현 (한국생산기술연구원 동남권본부)
  • Received : 2020.02.08
  • Accepted : 2020.03.27
  • Published : 2020.05.31
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Abstract

To predict the thermal deformation of an oven cabinet during the enamel process, we propose a simple finite element analysis method comprising two steps: heating and cooling. To this end, the basic mechanical and thermal properties such as thermal expansion of the enamel and steel plate were experimentally studied, and the mechanical properties of four different stainless steel (SUS) plates were evaluated to select the target material for the oven at high temperature conditions from 400 ℃ to 700 ℃. In the first analysis step of the enamel process, the SUS plate was heated to 850 ℃ and was then thermally expanded without considering the enamel coating. Next, assuming the perfect bonding of two materials (enamel coating and metal plate), the enamel plate was allowed to cool to room temperature till 22 ℃. From the results of comparing the experimental and analytical data, we can make a conclusion that the proposed method can be applied to evaluate the thermal deformation of enamel products. Especially, the thermal deformation of the oven can be predicted with different enamel coating conditions, such as uniform and nonuniform coating thickness.

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References

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