Determination of the influence of infill pattern and fiberglass reinforcement on the tensile properties of additively manufactured material by FDM technology

Delić, Marko; Mandić, Vesna; Aleksandrović, Srbislav; Arsić, Dušan

doi:10.1007/s12206-023-2309-1

Cited by 1 publication

(1 citation statement)

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“…The PP matrix can be combined with reinforcement and used for various raw materials, semi-finished products, or textile fabrics. [19][20][21][22][23][24][25]. Rocher et al [26] investigated the tensile behaviour of a 3D polypropylene/glass fabric at different test speeds.…”

Section: Introductionmentioning

confidence: 99%

The Influence of Friction and Twisting Angle on the Tensile Strength of Polypropylene Baling Twine

Kostic,

Kocovic,

Petrovic Savic

et al. 2024

Applied Sciences

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Polypropylene is a widely used linear hydrocarbon polymer with diverse applications due to its exceptional physicochemical characteristics and minimal changes during the recycling process. Numerous studies have focused on factors influencing the mechanical properties of polypropylene and its application in composites. However, despite their significance in the agricultural industry, there is limited research on polypropylene baling twines. This study analyses the behaviour of polypropylene baling twine under tensile loading, exploring the influence of fibre friction and twisting angle on the material’s tensile strength. Experimental investigation indicated that tensile strength increases with twisting angle, but only until the angle reaches a critical value. Further increase in the twist angle led to a decrease in tensile strength. The increase in tensile strength is attributed to the rise in the coefficient of friction between fibres in the twine. An experimental approach was employed to evaluate the mechanical characteristics of the twine, including the effect of prestressing by twisting. Understanding these characteristics is crucial for enhancing the quality of polypropylene baling twines and optimising their application in the agricultural industry.

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