Multi-response parameter optimization for the composite tape winding process based on grey relational analysis and response surface methodology
-
摘要: 针对复合材料预浸带缠绕过程中制品的残余应力、孔隙率最小化和层间剪切强度(ILSS)最大化的多目标优化问题,采用Box-Behnken Design (BBD)原理设计四因素三水平的T300/环氧树脂预浸带缠绕实验;基于灰色关联分析(GRA)将多目标优化问题转化为单目标优化问题,利用主成分分析(PCA)法确定残余应力、孔隙率和ILSS对灰色关联度(GRG)的影响权重;通过对实验数据的回归分析,建立GRG与主要缠绕工艺参数(缠绕温度、张力、压辊压力和缠绕速度)的二阶预测模型;分析了各工艺参数对残余应力、孔隙率、ILSS和GRG的影响规律,确定缠绕工艺参数优化方案;利用响应面法(RSM)求解工艺参数优化问题并进行复合材料预浸带缠绕实验。结果表明:该优化方法获得的最优工艺参数组合可以有效改善残余应力、孔隙率和ILSS,提高预浸带缠绕制品的性能。Abstract: In order to research multiobjective optimization for minimizing residual stress, porosity and maximizing interlaminar shear strength during winding of composite prepreg tapes, T300/epoxy resin preprepreg tape winding experiment with four factors and three levels based on Box-Behnken Design (BBD) principle was designed. Based on grey relational analysis (GRA) the multi-objective optimization problem was transformed into a single-objective optimization problem. The influence weights of residual stress, porosity and interlayer shear strength on the grey relational grade(GRG) were determined by principal component analysis(PCA). Through regression analysis of the experimental data, a second-order prediction model of GRG and main winding process parameters was established. The effects of process parameters on residual stress, porosity, interlaminar shear strength and GRG were analyzed, and the optimum scheme of winding process parameters was determined. Response surface methodology (RSM) was used to solve the optimization problem of process parameters and the winding experiment of prepreg tape was carried out. The results show that the optimal combination of the process parameters obtained by this optimization method can effectively improve the residual stress, porosity and interlaminar shear strength, and improve the performance of preg tape winding products.
点击查看大图
计量
- 文章访问数: 745
- PDF下载量: 192
- 被引次数: 0