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This is a Observational study (also classified as: In Vitro Study).

August 25, 2025MaterialsOpen Access

Influence of Tension and Tension Fluctuation on the Structure and Mechanical Properties of Polyester Fibers During the Spinning Process Based on Non-Contact Tension Detection

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Increasing tension from 34 cN to 164 cN led to a reduced monofilament diameter from 39.61 µm to 20.35 µm.
Mechanical testing revealed a 50.96% improvement in breaking strength, increasing from 1.57 to 2.37 cN/dtex.
Experiments conducted at 1200 m/min demonstrated the non-contact system's strong agreement with contact tension detectors.
Tension fluctuations reduced the orientation factor by 10.78%, undermining the mechanical properties and consistency of polyester fibers.

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Observational analysis reveals tension impacts orientation and crystallinity in polyester fibers, indicating the need for real-time detection.

Du et al. (2025) studied this question.

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Observational analysis reveals tension impacts orientation and crystallinity in polyester fibers, indicating the need for real-time detection.