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<p>To further optimise the bullet-proof performance of textile reinforced composites, multi-directional friction tests of aramid and ultra-high molecular weight polyethylene (UHMWPE) yarns were carried out by the slope method. The influence of the included angle between the high-performance yarns on the static friction coefficient for aramid and UHMWPE yarns was studied by measuring the friction coefficient. The relationship between the static friction coefficient and the included angle among the high-performance yarns was discussed. The results showed that the friction coefficient of aramid yarns was higher than that of UHMWPE yarns. Especially, at the same included angle between high-performance yarns, the static frictional coefficient of aramid yarns is 50% higher than that of UHMWPE yarns. In accordance with expectations, the static friction coefficient decreases with the increased included angle between high-performance yarns, and the included angle of high-performance yarns changes from 0º to 90º. The trend of rapid decline appeared when the included angle between high-performance yarns changed from 0º to 15º. For the actual result, the static friction coefficient of aramid and UHMWPE yarns is less than 0.3, which needs to be improved to increase the bullet-proof performance of textile composites.</p>
</abstract>

To further optimise the bullet-proof performance of textile reinforced composites, multi-directional friction tests of aramid and ultra-high molecular weight polyethylene (UHMWPE) yarns were carried out by the slope method. The influence of the included angle between the high-performance yarns on the static friction coefficient for aramid and UHMWPE yarns was studied by measuring the friction coefficient. The relationship between the static friction coefficient and the included angle among the high-performance yarns was discussed. The results showed that the friction coefficient of aramid yarns was higher than that of UHMWPE yarns. Especially, at the same included angle between high-performance yarns, the static frictional coefficient of aramid yarns is 50% higher than that of UHMWPE yarns. In accordance with expectations, the static friction coefficient decreases with the increased included angle between high-performance yarns, and the included angle of high-performance yarns changes from 0º to 90º. The trend of rapid decline appeared when the included angle between high-performance yarns changed from 0º to 15º. For the actual result, the static friction coefficient of aramid and UHMWPE yarns is less than 0.3, which needs to be improved to increase the bullet-proof performance of textile composites.

Study on the Multi-Directional Static Friction Properties of High Performance Yarns

School of Textile Science and Engineering

Key Laboratory of advanced textile composites

Fibres & Textiles in Eastern Europe

This work is licensed under the Creative Commons Attribution 3.0 Public License.

To further optimise the bullet-proof performance of textile reinforced composites, multi-directional friction tests of aramid and ultra-high molecular weight...

Study on the Multi-Directional Static Friction Properties of High Performance Yarns

Article Category: Research Article

Publié en ligne: 12 oct. 2022

Pages: 111 - 115

DOI: https://doi.org/10.2478/ftee-2022-0029

Mots clés
aramid, UHMWPE, static friction coefficient, included angle between high-performance yarns

© 2022 Yexiong Qi et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 3.0 Public License.

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Study on the Multi-Directional Static Friction Properties of High Performance Yarns

Article Category: Research Article

Publié en ligne: 12 oct. 2022

Pages: 111 - 115

DOI: https://doi.org/10.2478/ftee-2022-0029

Mots clésaramid, UHMWPE, static friction coefficient, included angle between high-performance yarns

© 2022 Yexiong Qi et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 3.0 Public License.

Fig. 1

Fig. 2

Fig. 3

Fig. 4

Fig. 5

Fig. 6

Mots clés
aramid, UHMWPE, static friction coefficient, included angle between high-performance yarns