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RTM 공정의 실시간 제어에 관한 연구

A Study on Real Time Control of Resin Transfer Molding

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참고문헌

주제분류재료공학

초록

Abstract

In resin transfer molding(RTM), race-track effects and non-uniform fiber volume fraction may cause undesirable resin flow patterns and thus result in dry spots, which affect the mechanical properties of the finished parts. In this study, a real time RTM control strategy to reduce these unfavorable effects is proposed. This control rule is accomplished by means of the permeability mapping and pressure regulation. Through numerical simulations, the validity of the proposed scheme is demonstrated.

참고문헌 (7)

  1. "Flow and Rheology in Polymer Composites Manufacturing", 10, pp.466~468 (1994), Elsevier Publishers
  2. "On-line Strategic Control of Liquid Composite Mould Filling Process", 31, pp.1383~1394 (2000)
  3. "Closed-loop Flow Control in Resin Transfer Molding using Real-Time Numerical Process Simulations", 62, pp.283~298 (2002)
  4. "An Approach to Couple Mold Design and On-line Control to Manufacture Complex Parts by Resin Transfer Molding", 33, pp.981~990 (2002)
  5. "Enhancement of Flow in VARTM using Localized Induction Heating", 63, pp.2201~2215 (2003)
  6. ".^Porous Media ? Fluid Transport^Pore Structure^" (1979), Academic Press
  7. "Optimum Arrangement of Gate and Vent Locations for RTM Process Design using a Mesh Distance-Based Approach", 33, pp.471~481 (2002)

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