Composites Research

The Korean Society for Composite Materials (한국복합재료학회)
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Prediction of Deformation of Carbon-fiber Reinforced Polymer Matrix Composite for Tool Materials and Surface Conditions

성형툴의 상태에 따른 탄소섬유강화 복합재 구조물의 변형 예측

  • Sung, Su-Hwan (Aircraft Structural Design Lab, Department of Aerospace Engineering, Pusan National University) ;
  • Kim, Wie-Dae (Department of Aerospace Engineering, Pusan National University)
  • Received : 2014.12.10
  • Accepted : 2014.12.19
  • Published : 2014.12.31
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Abstract

Autoclave processing has a good quality of product, but manufacturing cost is expansive. After curing of composite, the unwanted deformation and distortion increase the manufacturing cost by redesign of tool parts. Therefore, manufacturing cost down is a big issue in processing level. For the reduction of tool costs, it is important to investigate the effects of tool materials and tool surface conditions. In this paper, we organized user subroutine in ABAQUS to consider the thermal effects of part and tool, and the results are compared with commercial code, COMPRO. And this paper suggests reference point for the selection of tool materials to reduce manufacturing costs.

오토클레이브 성형은 성형제품의 품질은 우수하나 생산비용이 비싸다는 단점이 있다. 생산비용 중에서도 큰 비중을 차지하는 것이 성형툴의 제작공정이다. 따라서 본 연구에서는 생산비용 절감을 위한 선행 연구로서 성형툴의 재질 및 표면상태에 따라 L-shape 제품의 성형후 Spring-in을 Abaqus user subroutine을 이용하여 계산하였고, 열팽창계수와 마찰계수에 따른 결과를 나타내었다. 또한 성형툴 제작시 재질 및 표면상태의 기준점을 제시하여 생산비용을 줄이는데 기여하고자 한다.

Keywords

References

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