Experimental and numerical analyses of the thermoplastic pultrusion of large structural profiles

Article

Minchenkov, Kirill, Gusev, Sergey, Sulimov, Artem, Alajarmeh, Omar, Sergeichev, Ivan and Safonov, Alexander. 2023. "Experimental and numerical analyses of the thermoplastic pultrusion of large structural profiles." Materials and Design. 232. https://doi.org/10.1016/j.matdes.2023.112149
Article Title

Experimental and numerical analyses of the thermoplastic pultrusion of large structural profiles

ERA Journal ID4961
Article CategoryArticle
AuthorsMinchenkov, Kirill, Gusev, Sergey, Sulimov, Artem, Alajarmeh, Omar, Sergeichev, Ivan and Safonov, Alexander
Journal TitleMaterials and Design
Journal Citation232
Article Number112149
Number of Pages11
Year2023
PublisherElsevier
Place of PublicationUnited Kingdom
ISSN0261-3069
0264-1275
1873-4197
Digital Object Identifier (DOI)https://doi.org/10.1016/j.matdes.2023.112149
Web Address (URL)https://www.sciencedirect.com/science/article/pii/S0264127523005646
AbstractThe selection of optimal process conditions is very important for the production of large pultruded thermoplastic profiles. This study investigates the influence of pulling speed on the temperature distribution and consolidation of glass fiber/polypropylene (GF/PP) preconsolidated tapes during thermoplastic pultrusion. For this purpose, several pultruded thermoplastic profiles with a cross-section of 75 mm × 3.5 mm were produced at various pulling speeds, and their cross-sections were studied under a microscope. In addition, a 3D numerical model was developed to analyze the influence of the pulling speed on the temperature distribution and to predict the consolidation of the tapes. Full consolidation of the tapes was observed in the profiles produced at a pulling speed of 0.2 m/min. The profiles produced at a pulling speed of 0.4 m/min contained unconsolidated tape, which resulted in reduced flexural, tensile, and compressive strengths by as much as 43%, 15%, and 23%, respectively. The results of the simulations and microscopic investigations show that the GF/PP tapes consolidate at temperatures above the Vicat softening temperature. Finally, a GF/PP tube with dimensions of 50 mm × 40 mm × 5 mm was produced using the optimum pulling speed and temperature determined using the developed 3D model. These results provide valuable insight into the design of thermoplastic pultrusion regimes.
KeywordsFiber -Reinforced Materials; Thermoplastics; Pultrusion; Polypropylene; Glass Fiber ; Finite Element Analysis
Related Output
Is supplemented byCorrigendum to “Experimental and numerical analyses of the thermoplastic pultrusion of large structural profiles” [Mater. Design 232 (2023) 112149]
ANZSRC Field of Research 2020400510. Structural engineering
Public Notes

This is a corrected version of Materials & Design, Volume 233, September 2023, Pages 112236.

Byline AffiliationsSkolkovo Institute of Science and Technology, Russia
Centre for Future Materials
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