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首页> 外文期刊>SAMPE Journal >Effects of Amine and Anhydride Curing Agents on the VARTM Matrix Processing Properties
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Effects of Amine and Anhydride Curing Agents on the VARTM Matrix Processing Properties

机译:胺和酸酐固化剂对​​VARTM基质加工性能的影响

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摘要

To ensure successful applications of composite structure for aerospace vehicles, it is necessary to develop material systems that meet a variety of requirements. The industry has recently developed a number of low-viscosity epoxy resins to meet the processing requirements associated with vacuum assisted resin transfer molding (VARTM) of aerospace components. The curing kinetics and viscosity of two of these resins, an amine-cured epoxy system, Applied Poleramic, Inc., VR-56-4, and an anhydride-cured epoxy system, A.T.A.R.D. Laboratories SI-ZG-5A, have been characterized for application in the VARTM process. Simulations were carried out using the process model, COMPRO, to examine heat transfer, curing kinetics and viscosity for different panel thicknesses and cure cycles. Results of these simulations indicate that the two resins have significantly different curing behaviors and flow characteristics.
机译:为了确保复合结构在航空航天飞行器中的成功应用,有必要开发满足各种要求的材料系统。业界最近开发了许多低粘度环氧树脂,以满足与航空航天部件的真空辅助树脂传递模塑(VARTM)相关的加工要求。这些树脂中的两种的固化动力学和粘度为胺固化的环氧体系,Applied Poleramic,Inc.VR-56-4和酸酐固化的环氧体系,A.T.A.R.D。 SI-ZG-5A实验室的特点是可用于VARTM工艺。使用过程模型COMPRO进行了仿真,以检查不同板厚度和固化周期的传热,固化动力学和粘度。这些模拟的结果表明,两种树脂具有明显不同的固化行为和流动特性。

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