Creep of Textile-Reinforced Composite Under Static and Cyclic Loads

The paper considers the creep of a textile-reinforced thermoplastic composite with a glass filler under the action of a combined short-term cyclic and long-term static tensile loads at room temperature. The investigations were carried out on glass-fabric-reinforced polypropylene specimens, which wer...

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Bibliographic Details
Published in:Strength of materials 2019-05, Vol.51 (3), p.398-405
Main Authors: Bondar, N. V., Astanin, V. V.
Format: Article
Language:English
Subjects:
Analysis
Autoclaving
Characterization and Evaluation of Materials
Chemistry and Materials Science
Classical Mechanics
Creep (materials)
Cyclic loads
Glass
Laws, regulations and rules
Materials Science
Polypropylene
Propylene
Solid Mechanics
Static loads
Superposition (mathematics)
Tensile stress
Textile composites
Thermoplastics
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Summary:The paper considers the creep of a textile-reinforced thermoplastic composite with a glass filler under the action of a combined short-term cyclic and long-term static tensile loads at room temperature. The investigations were carried out on glass-fabric-reinforced polypropylene specimens, which were made by autoclave molding. The creep of the composite was experimentally investigated under a cyclic load at different amplitudes. The creep kernel has been calculated from experimental data according to the Boltzmann superposition principle. Other creep models of materials have been analyzed based on data from a review. The laws governing the short-term creep of polypropylene under the action of a static load have been determined. A behaviorial model of the composite under investigation under the considered conditions is proposed. Numerical calculations have been made with the aid of the proposed model using experimental results taken from other works, and a good agreement between them has been established. The peculiarities of the creep of textile-reinforced polypropylene under the considered conditions have been determined. The range of application of the model has been determined.
ISSN:0039-2316
1573-9325
DOI:10.1007/s11223-019-00086-5