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Plackett-Burman experimental design to facilitate syntactic foam development

机译:Plackett-Burman实验设计促进句法泡沫的发展

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The use of an eight-experiment Plackett-Burman method can assess six experimental variables and eight responses in a polysiloxane-glass microsphere syntactic foam. The approach aims to decrease the time required to develop a tunable polymer composite by identifying a reduced set of variables and responses suitable for future predictive modeling. The statistical design assesses the main effects of mixing process parameters, polymer matrix composition, microsphere density and volume loading, and the blending of two grades of microspheres, using a dummy factor in statistical calculations. Responses cover rheological, physical, thermal, and mechanical properties. The cure accelerator content of the polymer matrix and the volume loading of the microspheres have the largest effects on foam properties. These factors are the most suitable for controlling the gel point of the curing foam, and the density of the cured foam. The mixing parameters introduce widespread variability and therefore should be fixed at effective levels during follow-up testing. Some responses may require greater contrast in microsphere-related factors. Compared to other possible statistical approaches, the run economy of the Plackett-Burman method makes it a valuable tool for rapidly characterizing new foams. (c) 2015 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2016, 132, 42892.
机译:使用八次实验的Plackett-Burman方法可以评估聚硅氧烷玻璃微球复合泡沫中的六个实验变量和八个响应。该方法旨在通过确定适合将来的预测建模的一组减少的变量和响应来减少开发可调聚合物复合材料所需的时间。统计设计在统计计算中使用虚拟因子来评估混合工艺参数,聚合物基质组成,微球密度和体积负荷以及两种等级的微球混合的主要影响。反应包括流变,物理,热和机械性能。聚合物基体中固化促进剂的含量和微球的体积负载对泡沫性能的影响最大。这些因素最适合于控制固化泡沫的胶凝点和固化泡沫的密度。混合参数引入了广泛的可变性,因此在后续测试期间应将其固定在有效水平。有些反应可能需要与微球相关的因素进行更大的对比。与其他可能的统计方法相比,Plackett-Burman方法的运行经济性使其成为快速表征新泡沫的有价值的工具。 (c)2015 Wiley Periodicals,Inc. J. Appl。 Polym。科学2016,132,42892。

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