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Considering influence of microstructure morphology of epoxy/glass composite on its behavior under deformation conditions - digital material representation case study

Madej L., Malinowski L., Perzynski K., Mojzeszko M., Wang J., Cios G., Czarnecki D., Bala P.

Archives of Civil and Mechanical Engineering

2019

Vol. 19, no. 4

1304--1315

Digital Material Representation (DMR) concept in application to numerical investigation of the two different types of epoxy/glass composite morphologies under loading conditions is addressed within the paper. First, two algorithms for reconstruction of digital microstruc-tures based on metallography investigations are developed. Then, material properties of the investigated epoxy matrix and glass fillers are evaluated based on an in-situ tensile test as well as nano-indentation, respectively. At this stage a numerical investigation is also extended by series of experimental tensile tests to understand basic mechanisms occurring during deformation of the two different types of glass particles fillers. Finally, an example of practical application of the developed digital microstructure model for multi scale calcula-tions of the epoxy/glass composite under loading is presented.