Manufacturing of unidirectional glass-fiber-reinforced composites via frontal polymerization: A numerical study
Manufacturing of unidirectional glass-fiber-reinforced composites via frontal polymerization: A numerical study
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DOI：
10.1016/j.compscitech.2019.107832
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发表时间：
2019-11
影响因子：
9.1
通讯作者：
S. Vyas;E. Goli;Xiang Zhang;P. Geubelle
中科院分区：
文献类型：
--
作者：
S. Vyas;E. Goli;Xiang Zhang;P. Geubelle
通过基于均质反应扩散模型的一系列数值模拟，探索了前端聚合（FP）作为双环戊二烯（DCPD）基体无碱玻璃纤维增强复合材料的一种更快、更节能的制造方法。使用 (i) 瞬态、非线性、多物理场有限元求解器和 (ii) 半解析稳态求解器在一系列纤维体积分数值上进行模拟。我们观察到，前沿速度和温度随着纤维体积分数的增加而降低，直到达到临界点，超过该临界点，随着前沿被淬火，不再观察到 FP。为了突出增强相材料特性的影响，将玻璃/DCPD复合材料获得的前沿速度、宽度和最高温度对纤维体积分数的依赖性与碳/DCPD复合材料相关的纤维体积分数依赖性进行了比较。
Frontal polymerization (FP) is explored as a faster and energy-efficient manufacturing method for dicyclopentadiene (DCPD) matrix, E-glass-fiber-reinforced composites through a series of numerical simulations based on a homogenized reaction-diffusion model. The simulations are carried out over a range of values of fiber volume fraction using (i) a transient, nonlinear, multi-physics finite element solver, and (ii) a semi-analytic steady-state solver. We observe that the front velocity and temperature decrease with an increase in the fiber volume fraction until a critical point is reached, beyond which FP is no longer observed as the front is quenched. To highlight the effect of the material properties of the reinforcing phase, the dependencies of the front velocity, width and maximum temperature on the fiber volume fraction obtained for glass/DCPD composites are compared to those associated with carbon/DCPD composites.