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Determination of highly porous plastic foam structural characteristics by processing light microscopy images data

机译:通过处理光学显微镜图像数据确定高度多孔的塑料泡沫的结构特征

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摘要

Mathematical modelling of physical and mechanical properties of plastic foam as well as numerous practical applications requires knowledge of foam structural characteristics. A necessity exists to determine the characteristics of the spatial structure of inhomogeneous materials comprising inclusions of other material, e.g., polyurethane foam without destructing the material and analysis of each element. A methodology is elaborated for preparing highly porous plastic foam specimens and investigation of foam strut-like structure with light microscopy (LM) by taking images in three mutually perpendicular planes. A mathematical model is developed for highly porous plastic foam for the determination of probability density functions of its building elements - polymeric struts': (a) length and (b) angles, using LM images in three mutually perpendicular planes. Computer codes are created and parameters of distribution functions for strut's length and angles are calculated using experimental data for verification. A good correspondence of the modelling results with experimental data is proved to exist.
机译:塑料泡沫的物理和机械性能以及许多实际应用的数学模型需要了解泡沫的结构特征。必须确定不均质材料的空间结构特征,该不均质材料包括其他材料的夹杂物,例如聚氨酯泡沫,而不会破坏材料和分析每个元素。阐述了一种方法,该方法用于制备高度多孔的塑料泡沫样品,并通过在三个相互垂直的平面中拍摄图像,使用光学显微镜(LM)研究泡沫支柱状结构。针对高度多孔的塑料泡沫,开发了一个数学模型,用于确定其建筑元素-聚合物撑杆的概率密度函数:(a)长度和(b)角度,使用三个相互垂直的平面中的LM图像。创建计算机代码,并使用用于验证的实验数据来计算支柱长度和角度的分布函数参数。证明了建模结果与实验数据的良好对应性。

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