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Granulometric Characterization of Short Fiberglass in Reinforced Polypropylene. Relation to Processing Conditions and Mechanical Properties

Abstract : In most cases, for reinforced thermoplastics, a knowledge of average filler length is not enough information. The entire granulometric filler distribution needs to be known, if structure is to be correlated with properties. We have developed a technique of granulometric determination based on image analysis to analyse rapidly the evolution of the granulometry of short fiberglass. Once images in grey levels from polarized light microscopy have been acquired, each selected fiber on the frame is individualized and labelled before measurement and data treatment. For the fiber, the size factor chosen is the length, or the maximum Feret diameter. With this tool, we have been able to study more precisely the evolution of the fiber length distribution during processing with a polypropylene matrix. Finally, we elucidate the dependence of mechanical properties such as impact and tensile strengths on glass filler size.
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https://hal.mines-ales.fr/hal-02927859
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Submitted on : Wednesday, September 2, 2020 - 9:42:00 AM
Last modification on : Friday, September 4, 2020 - 3:08:15 AM

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L. Avérous, Jean‐christophe Quantin, Dominique Lafon-Pham, A. Crespy. Granulometric Characterization of Short Fiberglass in Reinforced Polypropylene. Relation to Processing Conditions and Mechanical Properties. International Journal of Polymer Analysis and Characterization, Taylor & Francis, 1995, 1 (4), pp.339-347. ⟨10.1080/10236669508233886⟩. ⟨hal-02927859⟩

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