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search.filters.applied.f.access: openAccess × End date: 2021 × DDC: 620 × Publisher: Basel : MDPI × Subject: Confocal imaging × WGL Institute: IPF ×

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    Advances for the topographic characterisation of SMC materials
    (Basel : MDPI, 2009) Calvimontes, A.; Grundke, K.; Müller, A.; Stamm, M.
    For a comprehensive study of Sheet Moulding Compound (SMC) surfaces, topographical data obtained by a contact-free optical method (chromatic aberration confocal imaging) were systematically acquired to characterise these surfaces with regard to their statistical, functional and volumetrical properties. Optimal sampling conditions (cut-off length and resolution) were obtained by a topographical-statistical procedure proposed in the present work. By using different length scales specific morphologies due to the influence of moulding conditions, metallic mould topography, glass fibre content and glass fibre orientation can be characterized. The aim of this study is to suggest a systematic topographical characterization procedure for composite materials in order to study and recognize the influence of production conditions on their surface quality. © 2009 by the authors.
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    Volumetrical characterization of sheet molding compounds
    (Basel : MDPI, 2010) Calvimontes, A.; Grund, K.; Müller, A.
    For a comprehensive study of Sheet Molding Compound (SMC) surfaces, topographical data obtained by chromatic confocal imaging were submitted systematically for the development of a profile model to understand the formation of cavities on the surface. In order to qualify SMC surfaces and to predict their coatability, a characterization of cavities is applied. To quantify the effect of surface modification treatments, a new parameter (Surface Relative Smooth) is presented, applied and probed. The parameter proposed can be used for any surface modification of any solid material. © 2010 by the authors.