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科学狂牛

木虫 (著名写手)

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A 1-D Infiltration/cure model was developed to simulate fabrication of advanced textile composites by the resin film infusion process. The simulation model relates the applied temperature and pressure processing cycles, along with the experimentally measured compaction and permeability characteristics of the fabric preforms, to the temperature distribution, the resin degree of cure and viscosity, and the Infiltration flow front position as a function of time. The model also predicts the final panel thickness, fiber volume fraction, and resin mass for full saturation as a function of compaction pressure. Composite panels were fabricated using the RTM (Resin Transfer Molding) film infusion technique from knitted, knitted/stitched, and 2-D woven carbon preforms and Hercules 3501-6 resin. Fabric composites were fabricated at different compaction pressures and temperature cycles to determine the effects of the processing on the properties. The composites were C-scanned and micrographed to determine the quality of each panel. Advanced cure cycles, developed from the RTM simulation model, were used to reduce the total cure cycle times by a factor of 3 and the total Infiltration times by a factor of 2.NTIS controlled terms: Composite materials - Composite structures - Epoxy resins - Fabrics - Forming techniques - Temperature distribution - Casting - Compacting - Infiltration - Permeability - Preforms - Simulation - Time

[ Last edited by 科学狂牛 on 2010-12-15 at 14:28 ]

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1楼 2010-12-15 14:26:38

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gary8812

铁杆木虫 (著名写手)

The model also predicts the final panel thickness, fiber volume fraction, and resin mass for full saturation as a function of compaction pressure. 该模型还预测了最后的面板厚度，纤维体积分数，作为一个功能全面的渗透压力和饱和树脂质量。

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5楼2010-12-15 19:41:24

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gary8812

铁杆木虫 (著名写手)

A 1-D Infiltration/cure model was developed to simulate fabrication of advanced textile composites by the resin film infusion process.
发展了一个一维渗透/凝固模型，用以模拟通过树脂薄膜注入工序进行的先进纺织复合材料的制造。

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2楼2010-12-15 19:16:22

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gary8812

铁杆木虫 (著名写手)

The simulation model relates the applied temperature and pressure processing cycles, along with the experimentally measured compaction and permeability characteristics of the fabric preforms, to the temperature distribution, the resin degree of cure and viscosity, and the Infiltration flow front position as a function of time。
模拟模型与实际温度和处理循环的压力有关，并且与织物预成型的实验测量的凝结和渗透性能联系起来，包括温度分布，树脂凝固与粘度，以及前端随时间变化的渗透流等因素。

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3楼2010-12-15 19:32:54

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