âThey can flyâ

Bessette, Lee Skallerup

doi:10.1057/9781137292087.0014

Cited by 1 publication

(1 citation statement)

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“…During the two last decades, there has been considerable interest in granulometry of fibers. Different techniques, such as light scattering (2,3] or sieving [4], have been devel oped to determine fiberglass granulometry. However, most granulometry determinations scattering, gravitational measurement,...) [5] are based on a spherical shape model, inadequate for investigating fiber-like particles.…”

Section: Introductionmentioning

confidence: 99%

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

Avérous¹,

Quantin²,

Lafon³

et al. 1995

International Journal of Polymer Analysis and Characterization

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In most cases, for reinforced thennoplastics, a knowledge of average filler length is not enough infonnation. The entire granulometric filler distribution needs to be known, if structure is to be correlated with properties. We have developed a technique of granulometric detennination 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 polypropy lene matrix. Finally, we elucidate the dependence of mechanical properties such as impact and tensile strengths on glass filler size.

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Section: Introductionmentioning

confidence: 99%